diff options
Diffstat (limited to 'vendor/github.com/vbauerster')
42 files changed, 3381 insertions, 0 deletions
diff --git a/vendor/github.com/vbauerster/mpb/v6/.gitignore b/vendor/github.com/vbauerster/mpb/v6/.gitignore new file mode 100644 index 000000000..63bd91672 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/.gitignore @@ -0,0 +1,5 @@ +# Test binary, build with `go test -c` +*.test + +# Output of the go coverage tool, specifically when used with LiteIDE +*.out diff --git a/vendor/github.com/vbauerster/mpb/v6/.travis.yml b/vendor/github.com/vbauerster/mpb/v6/.travis.yml new file mode 100644 index 000000000..9a203a67d --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/.travis.yml @@ -0,0 +1,11 @@ +language: go +arch: + - amd64 + - ppc64le + +go: + - 1.14.x + +script: + - go test -race ./... + - for i in _examples/*/; do go build $i/*.go || exit 1; done diff --git a/vendor/github.com/vbauerster/mpb/v6/README.md b/vendor/github.com/vbauerster/mpb/v6/README.md new file mode 100644 index 000000000..a87786d72 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/README.md @@ -0,0 +1,120 @@ +# Multi Progress Bar + +[](https://pkg.go.dev/github.com/vbauerster/mpb/v6) +[](https://travis-ci.org/vbauerster/mpb) +[](https://goreportcard.com/report/github.com/vbauerster/mpb) + +**mpb** is a Go lib for rendering progress bars in terminal applications. + +## Features + +- **Multiple Bars**: Multiple progress bars are supported +- **Dynamic Total**: Set total while bar is running +- **Dynamic Add/Remove**: Dynamically add or remove bars +- **Cancellation**: Cancel whole rendering process +- **Predefined Decorators**: Elapsed time, [ewma](https://github.com/VividCortex/ewma) based ETA, Percentage, Bytes counter +- **Decorator's width sync**: Synchronized decorator's width among multiple bars + +## Usage + +#### [Rendering single bar](_examples/singleBar/main.go) + +```go +package main + +import ( + "math/rand" + "time" + + "github.com/vbauerster/mpb/v6" + "github.com/vbauerster/mpb/v6/decor" +) + +func main() { + // initialize progress container, with custom width + p := mpb.New(mpb.WithWidth(64)) + + total := 100 + name := "Single Bar:" + // adding a single bar, which will inherit container's width + bar := p.Add(int64(total), + // progress bar filler with customized style + mpb.NewBarFiller("╢▌▌░╟"), + mpb.PrependDecorators( + // display our name with one space on the right + decor.Name(name, decor.WC{W: len(name) + 1, C: decor.DidentRight}), + // replace ETA decorator with "done" message, OnComplete event + decor.OnComplete( + decor.AverageETA(decor.ET_STYLE_GO, decor.WC{W: 4}), "done", + ), + ), + mpb.AppendDecorators(decor.Percentage()), + ) + // simulating some work + max := 100 * time.Millisecond + for i := 0; i < total; i++ { + time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10) + bar.Increment() + } + // wait for our bar to complete and flush + p.Wait() +} +``` + +#### [Rendering multiple bars](_examples/multiBars/main.go) + +```go + var wg sync.WaitGroup + // pass &wg (optional), so p will wait for it eventually + p := mpb.New(mpb.WithWaitGroup(&wg)) + total, numBars := 100, 3 + wg.Add(numBars) + + for i := 0; i < numBars; i++ { + name := fmt.Sprintf("Bar#%d:", i) + bar := p.AddBar(int64(total), + mpb.PrependDecorators( + // simple name decorator + decor.Name(name), + // decor.DSyncWidth bit enables column width synchronization + decor.Percentage(decor.WCSyncSpace), + ), + mpb.AppendDecorators( + // replace ETA decorator with "done" message, OnComplete event + decor.OnComplete( + // ETA decorator with ewma age of 60 + decor.EwmaETA(decor.ET_STYLE_GO, 60), "done", + ), + ), + ) + // simulating some work + go func() { + defer wg.Done() + rng := rand.New(rand.NewSource(time.Now().UnixNano())) + max := 100 * time.Millisecond + for i := 0; i < total; i++ { + // start variable is solely for EWMA calculation + // EWMA's unit of measure is an iteration's duration + start := time.Now() + time.Sleep(time.Duration(rng.Intn(10)+1) * max / 10) + bar.Increment() + // we need to call DecoratorEwmaUpdate to fulfill ewma decorator's contract + bar.DecoratorEwmaUpdate(time.Since(start)) + } + }() + } + // Waiting for passed &wg and for all bars to complete and flush + p.Wait() +``` + +#### [Dynamic total](_examples/dynTotal/main.go) + + + +#### [Complex example](_examples/complex/main.go) + + + +#### [Bytes counters](_examples/io/main.go) + + diff --git a/vendor/github.com/vbauerster/mpb/v6/UNLICENSE b/vendor/github.com/vbauerster/mpb/v6/UNLICENSE new file mode 100644 index 000000000..68a49daad --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/UNLICENSE @@ -0,0 +1,24 @@ +This is free and unencumbered software released into the public domain. + +Anyone is free to copy, modify, publish, use, compile, sell, or +distribute this software, either in source code form or as a compiled +binary, for any purpose, commercial or non-commercial, and by any +means. + +In jurisdictions that recognize copyright laws, the author or authors +of this software dedicate any and all copyright interest in the +software to the public domain. We make this dedication for the benefit +of the public at large and to the detriment of our heirs and +successors. We intend this dedication to be an overt act of +relinquishment in perpetuity of all present and future rights to this +software under copyright law. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +For more information, please refer to <http://unlicense.org/> diff --git a/vendor/github.com/vbauerster/mpb/v6/bar.go b/vendor/github.com/vbauerster/mpb/v6/bar.go new file mode 100644 index 000000000..f18ef967f --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/bar.go @@ -0,0 +1,492 @@ +package mpb + +import ( + "bytes" + "context" + "fmt" + "io" + "log" + "runtime/debug" + "strings" + "time" + + "github.com/acarl005/stripansi" + "github.com/mattn/go-runewidth" + "github.com/vbauerster/mpb/v6/decor" +) + +// Bar represents a progress bar. +type Bar struct { + priority int // used by heap + index int // used by heap + + extendedLines int + toShutdown bool + toDrop bool + noPop bool + hasEwmaDecorators bool + operateState chan func(*bState) + frameCh chan io.Reader + syncTableCh chan [][]chan int + completed chan bool + + // cancel is called either by user or on complete event + cancel func() + // done is closed after cacheState is assigned + done chan struct{} + // cacheState is populated, right after close(shutdown) + cacheState *bState + + container *Progress + dlogger *log.Logger + recoveredPanic interface{} +} + +type extenderFunc func(in io.Reader, reqWidth int, st decor.Statistics) (out io.Reader, lines int) + +// bState is actual bar state. It gets passed to *Bar.serve(...) monitor +// goroutine. +type bState struct { + id int + priority int + reqWidth int + total int64 + current int64 + refill int64 + lastN int64 + iterated bool + trimSpace bool + completed bool + completeFlushed bool + triggerComplete bool + dropOnComplete bool + noPop bool + aDecorators []decor.Decorator + pDecorators []decor.Decorator + averageDecorators []decor.AverageDecorator + ewmaDecorators []decor.EwmaDecorator + shutdownListeners []decor.ShutdownListener + bufP, bufB, bufA *bytes.Buffer + filler BarFiller + middleware func(BarFiller) BarFiller + extender extenderFunc + + // runningBar is a key for *pState.parkedBars + runningBar *Bar + + debugOut io.Writer +} + +func newBar(container *Progress, bs *bState) *Bar { + logPrefix := fmt.Sprintf("%sbar#%02d ", container.dlogger.Prefix(), bs.id) + ctx, cancel := context.WithCancel(container.ctx) + + bar := &Bar{ + container: container, + priority: bs.priority, + toDrop: bs.dropOnComplete, + noPop: bs.noPop, + operateState: make(chan func(*bState)), + frameCh: make(chan io.Reader, 1), + syncTableCh: make(chan [][]chan int, 1), + completed: make(chan bool, 1), + done: make(chan struct{}), + cancel: cancel, + dlogger: log.New(bs.debugOut, logPrefix, log.Lshortfile), + } + + go bar.serve(ctx, bs) + return bar +} + +// ProxyReader wraps r with metrics required for progress tracking. +// Panics if r is nil. +func (b *Bar) ProxyReader(r io.Reader) io.ReadCloser { + if r == nil { + panic("expected non nil io.Reader") + } + return newProxyReader(r, b) +} + +// ID returs id of the bar. +func (b *Bar) ID() int { + result := make(chan int) + select { + case b.operateState <- func(s *bState) { result <- s.id }: + return <-result + case <-b.done: + return b.cacheState.id + } +} + +// Current returns bar's current number, in other words sum of all increments. +func (b *Bar) Current() int64 { + result := make(chan int64) + select { + case b.operateState <- func(s *bState) { result <- s.current }: + return <-result + case <-b.done: + return b.cacheState.current + } +} + +// SetRefill sets refill flag with specified amount. +// The underlying BarFiller will change its visual representation, to +// indicate refill event. Refill event may be referred to some retry +// operation for example. +func (b *Bar) SetRefill(amount int64) { + select { + case b.operateState <- func(s *bState) { + s.refill = amount + }: + case <-b.done: + } +} + +// TraverseDecorators traverses all available decorators and calls cb func on each. +func (b *Bar) TraverseDecorators(cb func(decor.Decorator)) { + select { + case b.operateState <- func(s *bState) { + for _, decorators := range [...][]decor.Decorator{ + s.pDecorators, + s.aDecorators, + } { + for _, d := range decorators { + cb(extractBaseDecorator(d)) + } + } + }: + case <-b.done: + } +} + +// SetTotal sets total dynamically. +// If total is less than or equal to zero it takes progress' current value. +func (b *Bar) SetTotal(total int64, triggerComplete bool) { + select { + case b.operateState <- func(s *bState) { + s.triggerComplete = triggerComplete + if total <= 0 { + s.total = s.current + } else { + s.total = total + } + if s.triggerComplete && !s.completed { + s.current = s.total + s.completed = true + go b.refreshTillShutdown() + } + }: + case <-b.done: + } +} + +// SetCurrent sets progress' current to an arbitrary value. +// Setting a negative value will cause a panic. +func (b *Bar) SetCurrent(current int64) { + select { + case b.operateState <- func(s *bState) { + s.iterated = true + s.lastN = current - s.current + s.current = current + if s.triggerComplete && s.current >= s.total { + s.current = s.total + s.completed = true + go b.refreshTillShutdown() + } + }: + case <-b.done: + } +} + +// Increment is a shorthand for b.IncrInt64(1). +func (b *Bar) Increment() { + b.IncrInt64(1) +} + +// IncrBy is a shorthand for b.IncrInt64(int64(n)). +func (b *Bar) IncrBy(n int) { + b.IncrInt64(int64(n)) +} + +// IncrInt64 increments progress by amount of n. +func (b *Bar) IncrInt64(n int64) { + select { + case b.operateState <- func(s *bState) { + s.iterated = true + s.lastN = n + s.current += n + if s.triggerComplete && s.current >= s.total { + s.current = s.total + s.completed = true + go b.refreshTillShutdown() + } + }: + case <-b.done: + } +} + +// DecoratorEwmaUpdate updates all EWMA based decorators. Should be +// called on each iteration, because EWMA's unit of measure is an +// iteration's duration. Panics if called before *Bar.Incr... family +// methods. +func (b *Bar) DecoratorEwmaUpdate(dur time.Duration) { + select { + case b.operateState <- func(s *bState) { + ewmaIterationUpdate(false, s, dur) + }: + case <-b.done: + ewmaIterationUpdate(true, b.cacheState, dur) + } +} + +// DecoratorAverageAdjust adjusts all average based decorators. Call +// if you need to adjust start time of all average based decorators +// or after progress resume. +func (b *Bar) DecoratorAverageAdjust(start time.Time) { + select { + case b.operateState <- func(s *bState) { + for _, d := range s.averageDecorators { + d.AverageAdjust(start) + } + }: + case <-b.done: + } +} + +// SetPriority changes bar's order among multiple bars. Zero is highest +// priority, i.e. bar will be on top. If you don't need to set priority +// dynamically, better use BarPriority option. +func (b *Bar) SetPriority(priority int) { + select { + case <-b.done: + default: + b.container.setBarPriority(b, priority) + } +} + +// Abort interrupts bar's running goroutine. Call this, if you'd like +// to stop/remove bar before completion event. It has no effect after +// completion event. If drop is true bar will be removed as well. +func (b *Bar) Abort(drop bool) { + select { + case <-b.done: + default: + if drop { + b.container.dropBar(b) + } + b.cancel() + } +} + +// Completed reports whether the bar is in completed state. +func (b *Bar) Completed() bool { + select { + case b.operateState <- func(s *bState) { b.completed <- s.completed }: + return <-b.completed + case <-b.done: + return true + } +} + +func (b *Bar) serve(ctx context.Context, s *bState) { + defer b.container.bwg.Done() + for { + select { + case op := <-b.operateState: + op(s) + case <-ctx.Done(): + b.cacheState = s + close(b.done) + // Notifying decorators about shutdown event + for _, sl := range s.shutdownListeners { + sl.Shutdown() + } + return + } + } +} + +func (b *Bar) render(tw int) { + select { + case b.operateState <- func(s *bState) { + stat := newStatistics(tw, s) + defer func() { + // recovering if user defined decorator panics for example + if p := recover(); p != nil { + if b.recoveredPanic == nil { + s.extender = makePanicExtender(p) + b.toShutdown = !b.toShutdown + b.recoveredPanic = p + } + frame, lines := s.extender(nil, s.reqWidth, stat) + b.extendedLines = lines + b.frameCh <- frame + b.dlogger.Println(p) + } + s.completeFlushed = s.completed + }() + frame, lines := s.extender(s.draw(stat), s.reqWidth, stat) + b.extendedLines = lines + b.toShutdown = s.completed && !s.completeFlushed + b.frameCh <- frame + }: + case <-b.done: + s := b.cacheState + stat := newStatistics(tw, s) + var r io.Reader + if b.recoveredPanic == nil { + r = s.draw(stat) + } + frame, lines := s.extender(r, s.reqWidth, stat) + b.extendedLines = lines + b.frameCh <- frame + } +} + +func (b *Bar) subscribeDecorators() { + var averageDecorators []decor.AverageDecorator + var ewmaDecorators []decor.EwmaDecorator + var shutdownListeners []decor.ShutdownListener + b.TraverseDecorators(func(d decor.Decorator) { + if d, ok := d.(decor.AverageDecorator); ok { + averageDecorators = append(averageDecorators, d) + } + if d, ok := d.(decor.EwmaDecorator); ok { + ewmaDecorators = append(ewmaDecorators, d) + } + if d, ok := d.(decor.ShutdownListener); ok { + shutdownListeners = append(shutdownListeners, d) + } + }) + select { + case b.operateState <- func(s *bState) { + s.averageDecorators = averageDecorators + s.ewmaDecorators = ewmaDecorators + s.shutdownListeners = shutdownListeners + }: + b.hasEwmaDecorators = len(ewmaDecorators) != 0 + case <-b.done: + } +} + +func (b *Bar) refreshTillShutdown() { + for { + select { + case b.container.refreshCh <- time.Now(): + case <-b.done: + return + } + } +} + +func (b *Bar) wSyncTable() [][]chan int { + select { + case b.operateState <- func(s *bState) { b.syncTableCh <- s.wSyncTable() }: + return <-b.syncTableCh + case <-b.done: + return b.cacheState.wSyncTable() + } +} + +func (s *bState) draw(stat decor.Statistics) io.Reader { + if !s.trimSpace { + stat.AvailableWidth -= 2 + s.bufB.WriteByte(' ') + defer s.bufB.WriteByte(' ') + } + + nlr := strings.NewReader("\n") + tw := stat.AvailableWidth + for _, d := range s.pDecorators { + str := d.Decor(stat) + stat.AvailableWidth -= runewidth.StringWidth(stripansi.Strip(str)) + s.bufP.WriteString(str) + } + if stat.AvailableWidth <= 0 { + trunc := strings.NewReader(runewidth.Truncate(stripansi.Strip(s.bufP.String()), tw, "…")) + s.bufP.Reset() + return io.MultiReader(trunc, s.bufB, nlr) + } + + tw = stat.AvailableWidth + for _, d := range s.aDecorators { + str := d.Decor(stat) + stat.AvailableWidth -= runewidth.StringWidth(stripansi.Strip(str)) + s.bufA.WriteString(str) + } + if stat.AvailableWidth <= 0 { + trunc := strings.NewReader(runewidth.Truncate(stripansi.Strip(s.bufA.String()), tw, "…")) + s.bufA.Reset() + return io.MultiReader(s.bufP, s.bufB, trunc, nlr) + } + + s.filler.Fill(s.bufB, s.reqWidth, stat) + + return io.MultiReader(s.bufP, s.bufB, s.bufA, nlr) +} + +func (s *bState) wSyncTable() [][]chan int { + columns := make([]chan int, 0, len(s.pDecorators)+len(s.aDecorators)) + var pCount int + for _, d := range s.pDecorators { + if ch, ok := d.Sync(); ok { + columns = append(columns, ch) + pCount++ + } + } + var aCount int + for _, d := range s.aDecorators { + if ch, ok := d.Sync(); ok { + columns = append(columns, ch) + aCount++ + } + } + table := make([][]chan int, 2) + table[0] = columns[0:pCount] + table[1] = columns[pCount : pCount+aCount : pCount+aCount] + return table +} + +func newStatistics(tw int, s *bState) decor.Statistics { + return decor.Statistics{ + ID: s.id, + AvailableWidth: tw, + Total: s.total, + Current: s.current, + Refill: s.refill, + Completed: s.completeFlushed, + } +} + +func extractBaseDecorator(d decor.Decorator) decor.Decorator { + if d, ok := d.(decor.Wrapper); ok { + return extractBaseDecorator(d.Base()) + } + return d +} + +func ewmaIterationUpdate(done bool, s *bState, dur time.Duration) { + if !done && !s.iterated { + panic("increment required before ewma iteration update") + } else { + s.iterated = false + } + for _, d := range s.ewmaDecorators { + d.EwmaUpdate(s.lastN, dur) + } +} + +func makePanicExtender(p interface{}) extenderFunc { + pstr := fmt.Sprint(p) + stack := debug.Stack() + stackLines := bytes.Count(stack, []byte("\n")) + return func(_ io.Reader, _ int, st decor.Statistics) (io.Reader, int) { + mr := io.MultiReader( + strings.NewReader(runewidth.Truncate(pstr, st.AvailableWidth, "…")), + strings.NewReader(fmt.Sprintf("\n%#v\n", st)), + bytes.NewReader(stack), + ) + return mr, stackLines + 1 + } +} diff --git a/vendor/github.com/vbauerster/mpb/v6/bar_filler.go b/vendor/github.com/vbauerster/mpb/v6/bar_filler.go new file mode 100644 index 000000000..c8cedaa4a --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/bar_filler.go @@ -0,0 +1,31 @@ +package mpb + +import ( + "io" + + "github.com/vbauerster/mpb/v6/decor" +) + +// BarFiller interface. +// Bar (without decorators) renders itself by calling BarFiller's Fill method. +// +// reqWidth is requested width, set by `func WithWidth(int) ContainerOption`. +// If not set, it defaults to terminal width. +// +// Default implementations can be obtained via: +// +// func NewBarFiller(style string) BarFiller +// func NewBarFillerRev(style string) BarFiller +// func NewBarFillerPick(style string, rev bool) BarFiller +// func NewSpinnerFiller(style []string, alignment SpinnerAlignment) BarFiller +// +type BarFiller interface { + Fill(w io.Writer, reqWidth int, stat decor.Statistics) +} + +// BarFillerFunc is function type adapter to convert function into BarFiller. +type BarFillerFunc func(w io.Writer, reqWidth int, stat decor.Statistics) + +func (f BarFillerFunc) Fill(w io.Writer, reqWidth int, stat decor.Statistics) { + f(w, reqWidth, stat) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/bar_filler_bar.go b/vendor/github.com/vbauerster/mpb/v6/bar_filler_bar.go new file mode 100644 index 000000000..50494485e --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/bar_filler_bar.go @@ -0,0 +1,191 @@ +package mpb + +import ( + "bytes" + "io" + "unicode/utf8" + + "github.com/mattn/go-runewidth" + "github.com/rivo/uniseg" + "github.com/vbauerster/mpb/v6/decor" + "github.com/vbauerster/mpb/v6/internal" +) + +const ( + rLeft = iota + rFill + rTip + rSpace + rRight + rRevTip + rRefill +) + +// BarDefaultStyle is a style for rendering a progress bar. +// It consist of 7 ordered runes: +// +// '1st rune' stands for left boundary rune +// +// '2nd rune' stands for fill rune +// +// '3rd rune' stands for tip rune +// +// '4th rune' stands for space rune +// +// '5th rune' stands for right boundary rune +// +// '6th rune' stands for reverse tip rune +// +// '7th rune' stands for refill rune +// +const BarDefaultStyle string = "[=>-]<+" + +type barFiller struct { + format [][]byte + rwidth []int + tip []byte + refill int64 + reverse bool + flush func(io.Writer, *space, [][]byte) +} + +type space struct { + space []byte + rwidth int + count int +} + +// NewBarFiller returns a BarFiller implementation which renders a +// progress bar in regular direction. If style is empty string, +// BarDefaultStyle is applied. To be used with `*Progress.Add(...) +// *Bar` method. +func NewBarFiller(style string) BarFiller { + return newBarFiller(style, false) +} + +// NewBarFillerRev returns a BarFiller implementation which renders a +// progress bar in reverse direction. If style is empty string, +// BarDefaultStyle is applied. To be used with `*Progress.Add(...) +// *Bar` method. +func NewBarFillerRev(style string) BarFiller { + return newBarFiller(style, true) +} + +// NewBarFillerPick pick between regular and reverse BarFiller implementation +// based on rev param. To be used with `*Progress.Add(...) *Bar` method. +func NewBarFillerPick(style string, rev bool) BarFiller { + return newBarFiller(style, rev) +} + +func newBarFiller(style string, rev bool) BarFiller { + bf := &barFiller{ + format: make([][]byte, len(BarDefaultStyle)), + rwidth: make([]int, len(BarDefaultStyle)), + reverse: rev, + } + bf.parse(BarDefaultStyle) + if style != "" && style != BarDefaultStyle { + bf.parse(style) + } + return bf +} + +func (s *barFiller) parse(style string) { + if !utf8.ValidString(style) { + panic("invalid bar style") + } + srcFormat := make([][]byte, 0, len(BarDefaultStyle)) + srcRwidth := make([]int, 0, len(BarDefaultStyle)) + gr := uniseg.NewGraphemes(style) + for gr.Next() { + srcFormat = append(srcFormat, gr.Bytes()) + srcRwidth = append(srcRwidth, runewidth.StringWidth(gr.Str())) + } + copy(s.format, srcFormat) + copy(s.rwidth, srcRwidth) + if s.reverse { + s.tip = s.format[rRevTip] + s.flush = reverseFlush + } else { + s.tip = s.format[rTip] + s.flush = regularFlush + } +} + +func (s *barFiller) Fill(w io.Writer, reqWidth int, stat decor.Statistics) { + width := internal.CheckRequestedWidth(reqWidth, stat.AvailableWidth) + brackets := s.rwidth[rLeft] + s.rwidth[rRight] + if width < brackets { + return + } + // don't count brackets as progress + width -= brackets + + w.Write(s.format[rLeft]) + defer w.Write(s.format[rRight]) + + cwidth := int(internal.PercentageRound(stat.Total, stat.Current, width)) + space := &space{ + space: s.format[rSpace], + rwidth: s.rwidth[rSpace], + count: width - cwidth, + } + + index, refill := 0, 0 + bb := make([][]byte, cwidth) + + if cwidth > 0 && cwidth != width { + bb[index] = s.tip + cwidth -= s.rwidth[rTip] + index++ + } + + if stat.Refill > 0 { + refill = int(internal.PercentageRound(stat.Total, int64(stat.Refill), width)) + if refill > cwidth { + refill = cwidth + } + cwidth -= refill + } + + for cwidth > 0 { + bb[index] = s.format[rFill] + cwidth -= s.rwidth[rFill] + index++ + } + + for refill > 0 { + bb[index] = s.format[rRefill] + refill -= s.rwidth[rRefill] + index++ + } + + if cwidth+refill < 0 || space.rwidth > 1 { + buf := new(bytes.Buffer) + s.flush(buf, space, bb[:index]) + io.WriteString(w, runewidth.Truncate(buf.String(), width, "…")) + return + } + + s.flush(w, space, bb) +} + +func regularFlush(w io.Writer, space *space, bb [][]byte) { + for i := len(bb) - 1; i >= 0; i-- { + w.Write(bb[i]) + } + for space.count > 0 { + w.Write(space.space) + space.count -= space.rwidth + } +} + +func reverseFlush(w io.Writer, space *space, bb [][]byte) { + for space.count > 0 { + w.Write(space.space) + space.count -= space.rwidth + } + for i := 0; i < len(bb); i++ { + w.Write(bb[i]) + } +} diff --git a/vendor/github.com/vbauerster/mpb/v6/bar_filler_spinner.go b/vendor/github.com/vbauerster/mpb/v6/bar_filler_spinner.go new file mode 100644 index 000000000..0817b19ec --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/bar_filler_spinner.go @@ -0,0 +1,65 @@ +package mpb + +import ( + "io" + "strings" + + "github.com/mattn/go-runewidth" + "github.com/vbauerster/mpb/v6/decor" + "github.com/vbauerster/mpb/v6/internal" +) + +// SpinnerAlignment enum. +type SpinnerAlignment int + +// SpinnerAlignment kinds. +const ( + SpinnerOnLeft SpinnerAlignment = iota + SpinnerOnMiddle + SpinnerOnRight +) + +// SpinnerDefaultStyle is a style for rendering a spinner. +var SpinnerDefaultStyle = []string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"} + +type spinnerFiller struct { + frames []string + count uint + alignment SpinnerAlignment +} + +// NewSpinnerFiller returns a BarFiller implementation which renders +// a spinner. If style is nil or zero length, SpinnerDefaultStyle is +// applied. To be used with `*Progress.Add(...) *Bar` method. +func NewSpinnerFiller(style []string, alignment SpinnerAlignment) BarFiller { + if len(style) == 0 { + style = SpinnerDefaultStyle + } + filler := &spinnerFiller{ + frames: style, + alignment: alignment, + } + return filler +} + +func (s *spinnerFiller) Fill(w io.Writer, reqWidth int, stat decor.Statistics) { + width := internal.CheckRequestedWidth(reqWidth, stat.AvailableWidth) + + frame := s.frames[s.count%uint(len(s.frames))] + frameWidth := runewidth.StringWidth(frame) + + if width < frameWidth { + return + } + + switch rest := width - frameWidth; s.alignment { + case SpinnerOnLeft: + io.WriteString(w, frame+strings.Repeat(" ", rest)) + case SpinnerOnMiddle: + str := strings.Repeat(" ", rest/2) + frame + strings.Repeat(" ", rest/2+rest%2) + io.WriteString(w, str) + case SpinnerOnRight: + io.WriteString(w, strings.Repeat(" ", rest)+frame) + } + s.count++ +} diff --git a/vendor/github.com/vbauerster/mpb/v6/bar_option.go b/vendor/github.com/vbauerster/mpb/v6/bar_option.go new file mode 100644 index 000000000..e359c110c --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/bar_option.go @@ -0,0 +1,153 @@ +package mpb + +import ( + "bytes" + "io" + + "github.com/vbauerster/mpb/v6/decor" + "github.com/vbauerster/mpb/v6/internal" +) + +// BarOption is a func option to alter default behavior of a bar. +type BarOption func(*bState) + +func (s *bState) addDecorators(dest *[]decor.Decorator, decorators ...decor.Decorator) { + type mergeWrapper interface { + MergeUnwrap() []decor.Decorator + } + for _, decorator := range decorators { + if mw, ok := decorator.(mergeWrapper); ok { + *dest = append(*dest, mw.MergeUnwrap()...) + } + *dest = append(*dest, decorator) + } +} + +// AppendDecorators let you inject decorators to the bar's right side. +func AppendDecorators(decorators ...decor.Decorator) BarOption { + return func(s *bState) { + s.addDecorators(&s.aDecorators, decorators...) + } +} + +// PrependDecorators let you inject decorators to the bar's left side. +func PrependDecorators(decorators ...decor.Decorator) BarOption { + return func(s *bState) { + s.addDecorators(&s.pDecorators, decorators...) + } +} + +// BarID sets bar id. +func BarID(id int) BarOption { + return func(s *bState) { + s.id = id + } +} + +// BarWidth sets bar width independent of the container. +func BarWidth(width int) BarOption { + return func(s *bState) { + s.reqWidth = width + } +} + +// BarQueueAfter queues this (being constructed) bar to relplace +// runningBar after it has been completed. +func BarQueueAfter(runningBar *Bar) BarOption { + if runningBar == nil { + return nil + } + return func(s *bState) { + s.runningBar = runningBar + } +} + +// BarRemoveOnComplete removes both bar's filler and its decorators +// on complete event. +func BarRemoveOnComplete() BarOption { + return func(s *bState) { + s.dropOnComplete = true + } +} + +// BarFillerClearOnComplete clears bar's filler on complete event. +// It's shortcut for BarFillerOnComplete(""). +func BarFillerClearOnComplete() BarOption { + return BarFillerOnComplete("") +} + +// BarFillerOnComplete replaces bar's filler with message, on complete event. +func BarFillerOnComplete(message string) BarOption { + return BarFillerMiddleware(func(base BarFiller) BarFiller { + return BarFillerFunc(func(w io.Writer, reqWidth int, st decor.Statistics) { + if st.Completed { + io.WriteString(w, message) + } else { + base.Fill(w, reqWidth, st) + } + }) + }) +} + +// BarFillerMiddleware provides a way to augment the underlying BarFiller. +func BarFillerMiddleware(middle func(BarFiller) BarFiller) BarOption { + return func(s *bState) { + s.middleware = middle + } +} + +// BarPriority sets bar's priority. Zero is highest priority, i.e. bar +// will be on top. If `BarReplaceOnComplete` option is supplied, this +// option is ignored. +func BarPriority(priority int) BarOption { + return func(s *bState) { + s.priority = priority + } +} + +// BarExtender provides a way to extend bar to the next new line. +func BarExtender(filler BarFiller) BarOption { + if filler == nil { + return nil + } + return func(s *bState) { + s.extender = makeExtenderFunc(filler) + } +} + +func makeExtenderFunc(filler BarFiller) extenderFunc { + buf := new(bytes.Buffer) + return func(r io.Reader, reqWidth int, st decor.Statistics) (io.Reader, int) { + filler.Fill(buf, reqWidth, st) + return io.MultiReader(r, buf), bytes.Count(buf.Bytes(), []byte("\n")) + } +} + +// BarFillerTrim removes leading and trailing space around the underlying BarFiller. +func BarFillerTrim() BarOption { + return func(s *bState) { + s.trimSpace = true + } +} + +// BarNoPop disables bar pop out of container. Effective when +// PopCompletedMode of container is enabled. +func BarNoPop() BarOption { + return func(s *bState) { + s.noPop = true + } +} + +// BarOptional will invoke provided option only when pick is true. +func BarOptional(option BarOption, pick bool) BarOption { + return BarOptOn(option, internal.Predicate(pick)) +} + +// BarOptOn will invoke provided option only when higher order predicate +// evaluates to true. +func BarOptOn(option BarOption, predicate func() bool) BarOption { + if predicate() { + return option + } + return nil +} diff --git a/vendor/github.com/vbauerster/mpb/v6/container_option.go b/vendor/github.com/vbauerster/mpb/v6/container_option.go new file mode 100644 index 000000000..b92c7578c --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/container_option.go @@ -0,0 +1,112 @@ +package mpb + +import ( + "io" + "io/ioutil" + "sync" + "time" + + "github.com/vbauerster/mpb/v6/internal" +) + +// ContainerOption is a func option to alter default behavior of a bar +// container. Container term refers to a Progress struct which can +// hold one or more Bars. +type ContainerOption func(*pState) + +// WithWaitGroup provides means to have a single joint point. If +// *sync.WaitGroup is provided, you can safely call just p.Wait() +// without calling Wait() on provided *sync.WaitGroup. Makes sense +// when there are more than one bar to render. +func WithWaitGroup(wg *sync.WaitGroup) ContainerOption { + return func(s *pState) { + s.uwg = wg + } +} + +// WithWidth sets container width. If not set it defaults to terminal +// width. A bar added to the container will inherit its width, unless +// overridden by `func BarWidth(int) BarOption`. +func WithWidth(width int) ContainerOption { + return func(s *pState) { + s.reqWidth = width + } +} + +// WithRefreshRate overrides default 120ms refresh rate. +func WithRefreshRate(d time.Duration) ContainerOption { + return func(s *pState) { + s.rr = d + } +} + +// WithManualRefresh disables internal auto refresh time.Ticker. +// Refresh will occur upon receive value from provided ch. +func WithManualRefresh(ch <-chan interface{}) ContainerOption { + return func(s *pState) { + s.externalRefresh = ch + } +} + +// WithRenderDelay delays rendering. By default rendering starts as +// soon as bar is added, with this option it's possible to delay +// rendering process by keeping provided chan unclosed. In other words +// rendering will start as soon as provided chan is closed. +func WithRenderDelay(ch <-chan struct{}) ContainerOption { + return func(s *pState) { + s.renderDelay = ch + } +} + +// WithShutdownNotifier provided chanel will be closed, after all bars +// have been rendered. +func WithShutdownNotifier(ch chan struct{}) ContainerOption { + return func(s *pState) { + s.shutdownNotifier = ch + } +} + +// WithOutput overrides default os.Stdout output. Setting it to nil +// will effectively disable auto refresh rate and discard any output, +// useful if you want to disable progress bars with little overhead. +func WithOutput(w io.Writer) ContainerOption { + return func(s *pState) { + if w == nil { + s.output = ioutil.Discard + s.outputDiscarded = true + return + } + s.output = w + } +} + +// WithDebugOutput sets debug output. +func WithDebugOutput(w io.Writer) ContainerOption { + if w == nil { + return nil + } + return func(s *pState) { + s.debugOut = w + } +} + +// PopCompletedMode will pop and stop rendering completed bars. +func PopCompletedMode() ContainerOption { + return func(s *pState) { + s.popCompleted = true + } +} + +// ContainerOptional will invoke provided option only when pick is true. +func ContainerOptional(option ContainerOption, pick bool) ContainerOption { + return ContainerOptOn(option, internal.Predicate(pick)) +} + +// ContainerOptOn will invoke provided option only when higher order +// predicate evaluates to true. +func ContainerOptOn(option ContainerOption, predicate func() bool) ContainerOption { + if predicate() { + return option + } + return nil +} diff --git a/vendor/github.com/vbauerster/mpb/v6/cwriter/doc.go b/vendor/github.com/vbauerster/mpb/v6/cwriter/doc.go new file mode 100644 index 000000000..93c8f8268 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/cwriter/doc.go @@ -0,0 +1,2 @@ +// Package cwriter is a console writer abstraction for the underlying OS. +package cwriter diff --git a/vendor/github.com/vbauerster/mpb/v6/cwriter/util_bsd.go b/vendor/github.com/vbauerster/mpb/v6/cwriter/util_bsd.go new file mode 100644 index 000000000..4e3564ece --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/cwriter/util_bsd.go @@ -0,0 +1,7 @@ +// +build darwin dragonfly freebsd netbsd openbsd + +package cwriter + +import "golang.org/x/sys/unix" + +const ioctlReadTermios = unix.TIOCGETA diff --git a/vendor/github.com/vbauerster/mpb/v6/cwriter/util_linux.go b/vendor/github.com/vbauerster/mpb/v6/cwriter/util_linux.go new file mode 100644 index 000000000..253f12dd2 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/cwriter/util_linux.go @@ -0,0 +1,7 @@ +// +build aix linux + +package cwriter + +import "golang.org/x/sys/unix" + +const ioctlReadTermios = unix.TCGETS diff --git a/vendor/github.com/vbauerster/mpb/v6/cwriter/util_solaris.go b/vendor/github.com/vbauerster/mpb/v6/cwriter/util_solaris.go new file mode 100644 index 000000000..4b29ff5c0 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/cwriter/util_solaris.go @@ -0,0 +1,7 @@ +// +build solaris + +package cwriter + +import "golang.org/x/sys/unix" + +const ioctlReadTermios = unix.TCGETA diff --git a/vendor/github.com/vbauerster/mpb/v6/cwriter/writer.go b/vendor/github.com/vbauerster/mpb/v6/cwriter/writer.go new file mode 100644 index 000000000..1ade54761 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/cwriter/writer.go @@ -0,0 +1,84 @@ +package cwriter + +import ( + "bytes" + "errors" + "io" + "os" + "strconv" +) + +// ErrNotTTY not a TeleTYpewriter error. +var ErrNotTTY = errors.New("not a terminal") + +// http://ascii-table.com/ansi-escape-sequences.php +const ( + escOpen = "\x1b[" + cuuAndEd = "A\x1b[J" +) + +// Writer is a buffered the writer that updates the terminal. The +// contents of writer will be flushed when Flush is called. +type Writer struct { + out io.Writer + buf bytes.Buffer + lineCount int + fd int + isTerminal bool +} + +// New returns a new Writer with defaults. +func New(out io.Writer) *Writer { + w := &Writer{out: out} + if f, ok := out.(*os.File); ok { + w.fd = int(f.Fd()) + w.isTerminal = IsTerminal(w.fd) + } + return w +} + +// Flush flushes the underlying buffer. +func (w *Writer) Flush(lineCount int) (err error) { + // some terminals interpret 'cursor up 0' as 'cursor up 1' + if w.lineCount > 0 { + err = w.clearLines() + if err != nil { + return + } + } + w.lineCount = lineCount + _, err = w.buf.WriteTo(w.out) + return +} + +// Write appends the contents of p to the underlying buffer. +func (w *Writer) Write(p []byte) (n int, err error) { + return w.buf.Write(p) +} + +// WriteString writes string to the underlying buffer. +func (w *Writer) WriteString(s string) (n int, err error) { + return w.buf.WriteString(s) +} + +// ReadFrom reads from the provided io.Reader and writes to the +// underlying buffer. +func (w *Writer) ReadFrom(r io.Reader) (n int64, err error) { + return w.buf.ReadFrom(r) +} + +// GetWidth returns width of underlying terminal. +func (w *Writer) GetWidth() (int, error) { + if !w.isTerminal { + return -1, ErrNotTTY + } + tw, _, err := GetSize(w.fd) + return tw, err +} + +func (w *Writer) ansiCuuAndEd() (err error) { + buf := make([]byte, 8) + buf = strconv.AppendInt(buf[:copy(buf, escOpen)], int64(w.lineCount), 10) + _, err = w.out.Write(append(buf, cuuAndEd...)) + return +} diff --git a/vendor/github.com/vbauerster/mpb/v6/cwriter/writer_posix.go b/vendor/github.com/vbauerster/mpb/v6/cwriter/writer_posix.go new file mode 100644 index 000000000..f54a5d06b --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/cwriter/writer_posix.go @@ -0,0 +1,26 @@ +// +build !windows + +package cwriter + +import ( + "golang.org/x/sys/unix" +) + +func (w *Writer) clearLines() error { + return w.ansiCuuAndEd() +} + +// GetSize returns the dimensions of the given terminal. +func GetSize(fd int) (width, height int, err error) { + ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) + if err != nil { + return -1, -1, err + } + return int(ws.Col), int(ws.Row), nil +} + +// IsTerminal returns whether the given file descriptor is a terminal. +func IsTerminal(fd int) bool { + _, err := unix.IoctlGetTermios(fd, ioctlReadTermios) + return err == nil +} diff --git a/vendor/github.com/vbauerster/mpb/v6/cwriter/writer_windows.go b/vendor/github.com/vbauerster/mpb/v6/cwriter/writer_windows.go new file mode 100644 index 000000000..1a69c81ac --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/cwriter/writer_windows.go @@ -0,0 +1,73 @@ +// +build windows + +package cwriter + +import ( + "unsafe" + + "golang.org/x/sys/windows" +) + +var kernel32 = windows.NewLazySystemDLL("kernel32.dll") + +var ( + procSetConsoleCursorPosition = kernel32.NewProc("SetConsoleCursorPosition") + procFillConsoleOutputCharacter = kernel32.NewProc("FillConsoleOutputCharacterW") +) + +func (w *Writer) clearLines() error { + if !w.isTerminal { + // hope it's cygwin or similar + return w.ansiCuuAndEd() + } + + var info windows.ConsoleScreenBufferInfo + if err := windows.GetConsoleScreenBufferInfo(windows.Handle(w.fd), &info); err != nil { + return err + } + + info.CursorPosition.Y -= int16(w.lineCount) + if info.CursorPosition.Y < 0 { + info.CursorPosition.Y = 0 + } + _, _, _ = procSetConsoleCursorPosition.Call( + uintptr(w.fd), + uintptr(uint32(uint16(info.CursorPosition.Y))<<16|uint32(uint16(info.CursorPosition.X))), + ) + + // clear the lines + cursor := &windows.Coord{ + X: info.Window.Left, + Y: info.CursorPosition.Y, + } + count := uint32(info.Size.X) * uint32(w.lineCount) + _, _, _ = procFillConsoleOutputCharacter.Call( + uintptr(w.fd), + uintptr(' '), + uintptr(count), + *(*uintptr)(unsafe.Pointer(cursor)), + uintptr(unsafe.Pointer(new(uint32))), + ) + return nil +} + +// GetSize returns the visible dimensions of the given terminal. +// +// These dimensions don't include any scrollback buffer height. +func GetSize(fd int) (width, height int, err error) { + var info windows.ConsoleScreenBufferInfo + if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil { + return 0, 0, err + } + // terminal.GetSize from crypto/ssh adds "+ 1" to both width and height: + // https://go.googlesource.com/crypto/+/refs/heads/release-branch.go1.14/ssh/terminal/util_windows.go#75 + // but looks like this is a root cause of issue #66, so removing both "+ 1" have fixed it. + return int(info.Window.Right - info.Window.Left), int(info.Window.Bottom - info.Window.Top), nil +} + +// IsTerminal returns whether the given file descriptor is a terminal. +func IsTerminal(fd int) bool { + var st uint32 + err := windows.GetConsoleMode(windows.Handle(fd), &st) + return err == nil +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/any.go b/vendor/github.com/vbauerster/mpb/v6/decor/any.go new file mode 100644 index 000000000..39518f594 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/any.go @@ -0,0 +1,21 @@ +package decor + +// Any decorator displays text, that can be changed during decorator's +// lifetime via provided DecorFunc. +// +// `fn` DecorFunc callback +// +// `wcc` optional WC config +// +func Any(fn DecorFunc, wcc ...WC) Decorator { + return &any{initWC(wcc...), fn} +} + +type any struct { + WC + fn DecorFunc +} + +func (d *any) Decor(s Statistics) string { + return d.FormatMsg(d.fn(s)) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/counters.go b/vendor/github.com/vbauerster/mpb/v6/decor/counters.go new file mode 100644 index 000000000..4a5343d41 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/counters.go @@ -0,0 +1,243 @@ +package decor + +import ( + "fmt" + "strings" +) + +const ( + _ = iota + UnitKiB + UnitKB +) + +// CountersNoUnit is a wrapper around Counters with no unit param. +func CountersNoUnit(pairFmt string, wcc ...WC) Decorator { + return Counters(0, pairFmt, wcc...) +} + +// CountersKibiByte is a wrapper around Counters with predefined unit +// UnitKiB (bytes/1024). +func CountersKibiByte(pairFmt string, wcc ...WC) Decorator { + return Counters(UnitKiB, pairFmt, wcc...) +} + +// CountersKiloByte is a wrapper around Counters with predefined unit +// UnitKB (bytes/1000). +func CountersKiloByte(pairFmt string, wcc ...WC) Decorator { + return Counters(UnitKB, pairFmt, wcc...) +} + +// Counters decorator with dynamic unit measure adjustment. +// +// `unit` one of [0|UnitKiB|UnitKB] zero for no unit +// +// `pairFmt` printf compatible verbs for current and total pair +// +// `wcc` optional WC config +// +// pairFmt example if unit=UnitKB: +// +// pairFmt="%.1f / %.1f" output: "1.0MB / 12.0MB" +// pairFmt="% .1f / % .1f" output: "1.0 MB / 12.0 MB" +// pairFmt="%d / %d" output: "1MB / 12MB" +// pairFmt="% d / % d" output: "1 MB / 12 MB" +// +func Counters(unit int, pairFmt string, wcc ...WC) Decorator { + producer := func(unit int, pairFmt string) DecorFunc { + if pairFmt == "" { + pairFmt = "%d / %d" + } else if strings.Count(pairFmt, "%") != 2 { + panic("expected pairFmt with exactly 2 verbs") + } + switch unit { + case UnitKiB: + return func(s Statistics) string { + return fmt.Sprintf(pairFmt, SizeB1024(s.Current), SizeB1024(s.Total)) + } + case UnitKB: + return func(s Statistics) string { + return fmt.Sprintf(pairFmt, SizeB1000(s.Current), SizeB1000(s.Total)) + } + default: + return func(s Statistics) string { + return fmt.Sprintf(pairFmt, s.Current, s.Total) + } + } + } + return Any(producer(unit, pairFmt), wcc...) +} + +// TotalNoUnit is a wrapper around Total with no unit param. +func TotalNoUnit(format string, wcc ...WC) Decorator { + return Total(0, format, wcc...) +} + +// TotalKibiByte is a wrapper around Total with predefined unit +// UnitKiB (bytes/1024). +func TotalKibiByte(format string, wcc ...WC) Decorator { + return Total(UnitKiB, format, wcc...) +} + +// TotalKiloByte is a wrapper around Total with predefined unit +// UnitKB (bytes/1000). +func TotalKiloByte(format string, wcc ...WC) Decorator { + return Total(UnitKB, format, wcc...) +} + +// Total decorator with dynamic unit measure adjustment. +// +// `unit` one of [0|UnitKiB|UnitKB] zero for no unit +// +// `format` printf compatible verb for Total +// +// `wcc` optional WC config +// +// format example if unit=UnitKiB: +// +// format="%.1f" output: "12.0MiB" +// format="% .1f" output: "12.0 MiB" +// format="%d" output: "12MiB" +// format="% d" output: "12 MiB" +// +func Total(unit int, format string, wcc ...WC) Decorator { + producer := func(unit int, format string) DecorFunc { + if format == "" { + format = "%d" + } else if strings.Count(format, "%") != 1 { + panic("expected format with exactly 1 verb") + } + + switch unit { + case UnitKiB: + return func(s Statistics) string { + return fmt.Sprintf(format, SizeB1024(s.Total)) + } + case UnitKB: + return func(s Statistics) string { + return fmt.Sprintf(format, SizeB1000(s.Total)) + } + default: + return func(s Statistics) string { + return fmt.Sprintf(format, s.Total) + } + } + } + return Any(producer(unit, format), wcc...) +} + +// CurrentNoUnit is a wrapper around Current with no unit param. +func CurrentNoUnit(format string, wcc ...WC) Decorator { + return Current(0, format, wcc...) +} + +// CurrentKibiByte is a wrapper around Current with predefined unit +// UnitKiB (bytes/1024). +func CurrentKibiByte(format string, wcc ...WC) Decorator { + return Current(UnitKiB, format, wcc...) +} + +// CurrentKiloByte is a wrapper around Current with predefined unit +// UnitKB (bytes/1000). +func CurrentKiloByte(format string, wcc ...WC) Decorator { + return Current(UnitKB, format, wcc...) +} + +// Current decorator with dynamic unit measure adjustment. +// +// `unit` one of [0|UnitKiB|UnitKB] zero for no unit +// +// `format` printf compatible verb for Current +// +// `wcc` optional WC config +// +// format example if unit=UnitKiB: +// +// format="%.1f" output: "12.0MiB" +// format="% .1f" output: "12.0 MiB" +// format="%d" output: "12MiB" +// format="% d" output: "12 MiB" +// +func Current(unit int, format string, wcc ...WC) Decorator { + producer := func(unit int, format string) DecorFunc { + if format == "" { + format = "%d" + } else if strings.Count(format, "%") != 1 { + panic("expected format with exactly 1 verb") + } + + switch unit { + case UnitKiB: + return func(s Statistics) string { + return fmt.Sprintf(format, SizeB1024(s.Current)) + } + case UnitKB: + return func(s Statistics) string { + return fmt.Sprintf(format, SizeB1000(s.Current)) + } + default: + return func(s Statistics) string { + return fmt.Sprintf(format, s.Current) + } + } + } + return Any(producer(unit, format), wcc...) +} + +// InvertedCurrentNoUnit is a wrapper around InvertedCurrent with no unit param. +func InvertedCurrentNoUnit(format string, wcc ...WC) Decorator { + return InvertedCurrent(0, format, wcc...) +} + +// InvertedCurrentKibiByte is a wrapper around InvertedCurrent with predefined unit +// UnitKiB (bytes/1024). +func InvertedCurrentKibiByte(format string, wcc ...WC) Decorator { + return InvertedCurrent(UnitKiB, format, wcc...) +} + +// InvertedCurrentKiloByte is a wrapper around InvertedCurrent with predefined unit +// UnitKB (bytes/1000). +func InvertedCurrentKiloByte(format string, wcc ...WC) Decorator { + return InvertedCurrent(UnitKB, format, wcc...) +} + +// InvertedCurrent decorator with dynamic unit measure adjustment. +// +// `unit` one of [0|UnitKiB|UnitKB] zero for no unit +// +// `format` printf compatible verb for InvertedCurrent +// +// `wcc` optional WC config +// +// format example if unit=UnitKiB: +// +// format="%.1f" output: "12.0MiB" +// format="% .1f" output: "12.0 MiB" +// format="%d" output: "12MiB" +// format="% d" output: "12 MiB" +// +func InvertedCurrent(unit int, format string, wcc ...WC) Decorator { + producer := func(unit int, format string) DecorFunc { + if format == "" { + format = "%d" + } else if strings.Count(format, "%") != 1 { + panic("expected format with exactly 1 verb") + } + + switch unit { + case UnitKiB: + return func(s Statistics) string { + return fmt.Sprintf(format, SizeB1024(s.Total-s.Current)) + } + case UnitKB: + return func(s Statistics) string { + return fmt.Sprintf(format, SizeB1000(s.Total-s.Current)) + } + default: + return func(s Statistics) string { + return fmt.Sprintf(format, s.Total-s.Current) + } + } + } + return Any(producer(unit, format), wcc...) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/decorator.go b/vendor/github.com/vbauerster/mpb/v6/decor/decorator.go new file mode 100644 index 000000000..e81fae367 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/decorator.go @@ -0,0 +1,191 @@ +package decor + +import ( + "fmt" + "time" + + "github.com/acarl005/stripansi" + "github.com/mattn/go-runewidth" +) + +const ( + // DidentRight bit specifies identation direction. + // |foo |b | With DidentRight + // | foo| b| Without DidentRight + DidentRight = 1 << iota + + // DextraSpace bit adds extra space, makes sense with DSyncWidth only. + // When DidentRight bit set, the space will be added to the right, + // otherwise to the left. + DextraSpace + + // DSyncWidth bit enables same column width synchronization. + // Effective with multiple bars only. + DSyncWidth + + // DSyncWidthR is shortcut for DSyncWidth|DidentRight + DSyncWidthR = DSyncWidth | DidentRight + + // DSyncSpace is shortcut for DSyncWidth|DextraSpace + DSyncSpace = DSyncWidth | DextraSpace + + // DSyncSpaceR is shortcut for DSyncWidth|DextraSpace|DidentRight + DSyncSpaceR = DSyncWidth | DextraSpace | DidentRight +) + +// TimeStyle enum. +type TimeStyle int + +// TimeStyle kinds. +const ( + ET_STYLE_GO TimeStyle = iota + ET_STYLE_HHMMSS + ET_STYLE_HHMM + ET_STYLE_MMSS +) + +// Statistics consists of progress related statistics, that Decorator +// may need. +type Statistics struct { + ID int + AvailableWidth int + Total int64 + Current int64 + Refill int64 + Completed bool +} + +// Decorator interface. +// Most of the time there is no need to implement this interface +// manually, as decor package already provides a wide range of decorators +// which implement this interface. If however built-in decorators don't +// meet your needs, you're free to implement your own one by implementing +// this particular interface. The easy way to go is to convert a +// `DecorFunc` into a `Decorator` interface by using provided +// `func Any(DecorFunc, ...WC) Decorator`. +type Decorator interface { + Configurator + Synchronizer + Decor(Statistics) string +} + +// DecorFunc func type. +// To be used with `func Any`(DecorFunc, ...WC) Decorator`. +type DecorFunc func(Statistics) string + +// Synchronizer interface. +// All decorators implement this interface implicitly. Its Sync +// method exposes width sync channel, if DSyncWidth bit is set. +type Synchronizer interface { + Sync() (chan int, bool) +} + +// Configurator interface. +type Configurator interface { + GetConf() WC + SetConf(WC) +} + +// Wrapper interface. +// If you're implementing custom Decorator by wrapping a built-in one, +// it is necessary to implement this interface to retain functionality +// of built-in Decorator. +type Wrapper interface { + Base() Decorator +} + +// EwmaDecorator interface. +// EWMA based decorators should implement this one. +type EwmaDecorator interface { + EwmaUpdate(int64, time.Duration) +} + +// AverageDecorator interface. +// Average decorators should implement this interface to provide start +// time adjustment facility, for resume-able tasks. +type AverageDecorator interface { + AverageAdjust(time.Time) +} + +// ShutdownListener interface. +// If decorator needs to be notified once upon bar shutdown event, so +// this is the right interface to implement. +type ShutdownListener interface { + Shutdown() +} + +// Global convenience instances of WC with sync width bit set. +// To be used with multiple bars only, i.e. not effective for single bar usage. +var ( + WCSyncWidth = WC{C: DSyncWidth} + WCSyncWidthR = WC{C: DSyncWidthR} + WCSyncSpace = WC{C: DSyncSpace} + WCSyncSpaceR = WC{C: DSyncSpaceR} +) + +// WC is a struct with two public fields W and C, both of int type. +// W represents width and C represents bit set of width related config. +// A decorator should embed WC, to enable width synchronization. +type WC struct { + W int + C int + fill func(s string, w int) string + wsync chan int +} + +// FormatMsg formats final message according to WC.W and WC.C. +// Should be called by any Decorator implementation. +func (wc *WC) FormatMsg(msg string) string { + pureWidth := runewidth.StringWidth(msg) + stripWidth := runewidth.StringWidth(stripansi.Strip(msg)) + maxCell := wc.W + if (wc.C & DSyncWidth) != 0 { + cellCount := stripWidth + if (wc.C & DextraSpace) != 0 { + cellCount++ + } + wc.wsync <- cellCount + maxCell = <-wc.wsync + } + return wc.fill(msg, maxCell+(pureWidth-stripWidth)) +} + +// Init initializes width related config. +func (wc *WC) Init() WC { + wc.fill = runewidth.FillLeft + if (wc.C & DidentRight) != 0 { + wc.fill = runewidth.FillRight + } + if (wc.C & DSyncWidth) != 0 { + // it's deliberate choice to override wsync on each Init() call, + // this way globals like WCSyncSpace can be reused + wc.wsync = make(chan int) + } + return *wc +} + +// Sync is implementation of Synchronizer interface. +func (wc *WC) Sync() (chan int, bool) { + if (wc.C&DSyncWidth) != 0 && wc.wsync == nil { + panic(fmt.Sprintf("%T is not initialized", wc)) + } + return wc.wsync, (wc.C & DSyncWidth) != 0 +} + +// GetConf is implementation of Configurator interface. +func (wc *WC) GetConf() WC { + return *wc +} + +// SetConf is implementation of Configurator interface. +func (wc *WC) SetConf(conf WC) { + *wc = conf.Init() +} + +func initWC(wcc ...WC) WC { + var wc WC + for _, nwc := range wcc { + wc = nwc + } + return wc.Init() +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/doc.go b/vendor/github.com/vbauerster/mpb/v6/decor/doc.go new file mode 100644 index 000000000..bfbb82e11 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/doc.go @@ -0,0 +1,20 @@ +// Package decor provides common decorators for "github.com/vbauerster/mpb/v6" module. +/* + Some decorators returned by this package might have a closure state. It is ok to use + decorators concurrently, unless you share the same decorator among multiple + *mpb.Bar instances. To avoid data races, create new decorator per *mpb.Bar instance. + + Don't: + + p := mpb.New() + name := decor.Name("bar") + p.AddBar(100, mpb.AppendDecorators(name)) + p.AddBar(100, mpb.AppendDecorators(name)) + + Do: + + p := mpb.New() + p.AddBar(100, mpb.AppendDecorators(decor.Name("bar1"))) + p.AddBar(100, mpb.AppendDecorators(decor.Name("bar2"))) +*/ +package decor diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/elapsed.go b/vendor/github.com/vbauerster/mpb/v6/decor/elapsed.go new file mode 100644 index 000000000..e389f1581 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/elapsed.go @@ -0,0 +1,35 @@ +package decor + +import ( + "time" +) + +// Elapsed decorator. It's wrapper of NewElapsed. +// +// `style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS] +// +// `wcc` optional WC config +// +func Elapsed(style TimeStyle, wcc ...WC) Decorator { + return NewElapsed(style, time.Now(), wcc...) +} + +// NewElapsed returns elapsed time decorator. +// +// `style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS] +// +// `startTime` start time +// +// `wcc` optional WC config +// +func NewElapsed(style TimeStyle, startTime time.Time, wcc ...WC) Decorator { + var msg string + producer := chooseTimeProducer(style) + fn := func(s Statistics) string { + if !s.Completed { + msg = producer(time.Since(startTime)) + } + return msg + } + return Any(fn, wcc...) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/eta.go b/vendor/github.com/vbauerster/mpb/v6/decor/eta.go new file mode 100644 index 000000000..d03caa735 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/eta.go @@ -0,0 +1,203 @@ +package decor + +import ( + "fmt" + "math" + "time" + + "github.com/VividCortex/ewma" +) + +// TimeNormalizer interface. Implementors could be passed into +// MovingAverageETA, in order to affect i.e. normalize its output. +type TimeNormalizer interface { + Normalize(time.Duration) time.Duration +} + +// TimeNormalizerFunc is function type adapter to convert function +// into TimeNormalizer. +type TimeNormalizerFunc func(time.Duration) time.Duration + +func (f TimeNormalizerFunc) Normalize(src time.Duration) time.Duration { + return f(src) +} + +// EwmaETA exponential-weighted-moving-average based ETA decorator. +// For this decorator to work correctly you have to measure each +// iteration's duration and pass it to the +// *Bar.DecoratorEwmaUpdate(time.Duration) method after each increment. +func EwmaETA(style TimeStyle, age float64, wcc ...WC) Decorator { + var average ewma.MovingAverage + if age == 0 { + average = ewma.NewMovingAverage() + } else { + average = ewma.NewMovingAverage(age) + } + return MovingAverageETA(style, NewThreadSafeMovingAverage(average), nil, wcc...) +} + +// MovingAverageETA decorator relies on MovingAverage implementation to calculate its average. +// +// `style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS] +// +// `average` implementation of MovingAverage interface +// +// `normalizer` available implementations are [FixedIntervalTimeNormalizer|MaxTolerateTimeNormalizer] +// +// `wcc` optional WC config +// +func MovingAverageETA(style TimeStyle, average ewma.MovingAverage, normalizer TimeNormalizer, wcc ...WC) Decorator { + d := &movingAverageETA{ + WC: initWC(wcc...), + average: average, + normalizer: normalizer, + producer: chooseTimeProducer(style), + } + return d +} + +type movingAverageETA struct { + WC + average ewma.MovingAverage + normalizer TimeNormalizer + producer func(time.Duration) string +} + +func (d *movingAverageETA) Decor(s Statistics) string { + v := math.Round(d.average.Value()) + remaining := time.Duration((s.Total - s.Current) * int64(v)) + if d.normalizer != nil { + remaining = d.normalizer.Normalize(remaining) + } + return d.FormatMsg(d.producer(remaining)) +} + +func (d *movingAverageETA) EwmaUpdate(n int64, dur time.Duration) { + durPerItem := float64(dur) / float64(n) + if math.IsInf(durPerItem, 0) || math.IsNaN(durPerItem) { + return + } + d.average.Add(durPerItem) +} + +// AverageETA decorator. It's wrapper of NewAverageETA. +// +// `style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS] +// +// `wcc` optional WC config +// +func AverageETA(style TimeStyle, wcc ...WC) Decorator { + return NewAverageETA(style, time.Now(), nil, wcc...) +} + +// NewAverageETA decorator with user provided start time. +// +// `style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS] +// +// `startTime` start time +// +// `normalizer` available implementations are [FixedIntervalTimeNormalizer|MaxTolerateTimeNormalizer] +// +// `wcc` optional WC config +// +func NewAverageETA(style TimeStyle, startTime time.Time, normalizer TimeNormalizer, wcc ...WC) Decorator { + d := &averageETA{ + WC: initWC(wcc...), + startTime: startTime, + normalizer: normalizer, + producer: chooseTimeProducer(style), + } + return d +} + +type averageETA struct { + WC + startTime time.Time + normalizer TimeNormalizer + producer func(time.Duration) string +} + +func (d *averageETA) Decor(s Statistics) string { + var remaining time.Duration + if s.Current != 0 { + durPerItem := float64(time.Since(d.startTime)) / float64(s.Current) + durPerItem = math.Round(durPerItem) + remaining = time.Duration((s.Total - s.Current) * int64(durPerItem)) + if d.normalizer != nil { + remaining = d.normalizer.Normalize(remaining) + } + } + return d.FormatMsg(d.producer(remaining)) +} + +func (d *averageETA) AverageAdjust(startTime time.Time) { + d.startTime = startTime +} + +// MaxTolerateTimeNormalizer returns implementation of TimeNormalizer. +func MaxTolerateTimeNormalizer(maxTolerate time.Duration) TimeNormalizer { + var normalized time.Duration + var lastCall time.Time + return TimeNormalizerFunc(func(remaining time.Duration) time.Duration { + if diff := normalized - remaining; diff <= 0 || diff > maxTolerate || remaining < time.Minute { + normalized = remaining + lastCall = time.Now() + return remaining + } + normalized -= time.Since(lastCall) + lastCall = time.Now() + return normalized + }) +} + +// FixedIntervalTimeNormalizer returns implementation of TimeNormalizer. +func FixedIntervalTimeNormalizer(updInterval int) TimeNormalizer { + var normalized time.Duration + var lastCall time.Time + var count int + return TimeNormalizerFunc(func(remaining time.Duration) time.Duration { + if count == 0 || remaining < time.Minute { + count = updInterval + normalized = remaining + lastCall = time.Now() + return remaining + } + count-- + normalized -= time.Since(lastCall) + lastCall = time.Now() + return normalized + }) +} + +func chooseTimeProducer(style TimeStyle) func(time.Duration) string { + switch style { + case ET_STYLE_HHMMSS: + return func(remaining time.Duration) string { + hours := int64(remaining/time.Hour) % 60 + minutes := int64(remaining/time.Minute) % 60 + seconds := int64(remaining/time.Second) % 60 + return fmt.Sprintf("%02d:%02d:%02d", hours, minutes, seconds) + } + case ET_STYLE_HHMM: + return func(remaining time.Duration) string { + hours := int64(remaining/time.Hour) % 60 + minutes := int64(remaining/time.Minute) % 60 + return fmt.Sprintf("%02d:%02d", hours, minutes) + } + case ET_STYLE_MMSS: + return func(remaining time.Duration) string { + hours := int64(remaining/time.Hour) % 60 + minutes := int64(remaining/time.Minute) % 60 + seconds := int64(remaining/time.Second) % 60 + if hours > 0 { + return fmt.Sprintf("%02d:%02d:%02d", hours, minutes, seconds) + } + return fmt.Sprintf("%02d:%02d", minutes, seconds) + } + default: + return func(remaining time.Duration) string { + // strip off nanoseconds + return ((remaining / time.Second) * time.Second).String() + } + } +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/merge.go b/vendor/github.com/vbauerster/mpb/v6/decor/merge.go new file mode 100644 index 000000000..e41406a64 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/merge.go @@ -0,0 +1,107 @@ +package decor + +import ( + "strings" + + "github.com/acarl005/stripansi" + "github.com/mattn/go-runewidth" +) + +// Merge wraps its decorator argument with intention to sync width +// with several decorators of another bar. Visual example: +// +// +----+--------+---------+--------+ +// | B1 | MERGE(D, P1, Pn) | +// +----+--------+---------+--------+ +// | B2 | D0 | D1 | Dn | +// +----+--------+---------+--------+ +// +func Merge(decorator Decorator, placeholders ...WC) Decorator { + if _, ok := decorator.Sync(); !ok || len(placeholders) == 0 { + return decorator + } + md := &mergeDecorator{ + Decorator: decorator, + wc: decorator.GetConf(), + placeHolders: make([]*placeHolderDecorator, len(placeholders)), + } + decorator.SetConf(WC{}) + for i, wc := range placeholders { + if (wc.C & DSyncWidth) == 0 { + return decorator + } + md.placeHolders[i] = &placeHolderDecorator{wc.Init()} + } + return md +} + +type mergeDecorator struct { + Decorator + wc WC + placeHolders []*placeHolderDecorator +} + +func (d *mergeDecorator) GetConf() WC { + return d.wc +} + +func (d *mergeDecorator) SetConf(conf WC) { + d.wc = conf.Init() +} + +func (d *mergeDecorator) MergeUnwrap() []Decorator { + decorators := make([]Decorator, len(d.placeHolders)) + for i, ph := range d.placeHolders { + decorators[i] = ph + } + return decorators +} + +func (d *mergeDecorator) Sync() (chan int, bool) { + return d.wc.Sync() +} + +func (d *mergeDecorator) Base() Decorator { + return d.Decorator +} + +func (d *mergeDecorator) Decor(s Statistics) string { + msg := d.Decorator.Decor(s) + pureWidth := runewidth.StringWidth(msg) + stripWidth := runewidth.StringWidth(stripansi.Strip(msg)) + cellCount := stripWidth + if (d.wc.C & DextraSpace) != 0 { + cellCount++ + } + + total := runewidth.StringWidth(d.placeHolders[0].FormatMsg("")) + pw := (cellCount - total) / len(d.placeHolders) + rem := (cellCount - total) % len(d.placeHolders) + + var diff int + for i := 1; i < len(d.placeHolders); i++ { + ph := d.placeHolders[i] + width := pw - diff + if (ph.WC.C & DextraSpace) != 0 { + width-- + if width < 0 { + width = 0 + } + } + max := runewidth.StringWidth(ph.FormatMsg(strings.Repeat(" ", width))) + total += max + diff = max - pw + } + + d.wc.wsync <- pw + rem + max := <-d.wc.wsync + return d.wc.fill(msg, max+total+(pureWidth-stripWidth)) +} + +type placeHolderDecorator struct { + WC +} + +func (d *placeHolderDecorator) Decor(Statistics) string { + return "" +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/moving_average.go b/vendor/github.com/vbauerster/mpb/v6/decor/moving_average.go new file mode 100644 index 000000000..50ac9c393 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/moving_average.go @@ -0,0 +1,68 @@ +package decor + +import ( + "sort" + "sync" + + "github.com/VividCortex/ewma" +) + +type threadSafeMovingAverage struct { + ewma.MovingAverage + mu sync.Mutex +} + +func (s *threadSafeMovingAverage) Add(value float64) { + s.mu.Lock() + s.MovingAverage.Add(value) + s.mu.Unlock() +} + +func (s *threadSafeMovingAverage) Value() float64 { + s.mu.Lock() + defer s.mu.Unlock() + return s.MovingAverage.Value() +} + +func (s *threadSafeMovingAverage) Set(value float64) { + s.mu.Lock() + s.MovingAverage.Set(value) + s.mu.Unlock() +} + +// NewThreadSafeMovingAverage converts provided ewma.MovingAverage +// into thread safe ewma.MovingAverage. +func NewThreadSafeMovingAverage(average ewma.MovingAverage) ewma.MovingAverage { + if tsma, ok := average.(*threadSafeMovingAverage); ok { + return tsma + } + return &threadSafeMovingAverage{MovingAverage: average} +} + +type medianWindow [3]float64 + +func (s *medianWindow) Len() int { return len(s) } +func (s *medianWindow) Swap(i, j int) { s[i], s[j] = s[j], s[i] } +func (s *medianWindow) Less(i, j int) bool { return s[i] < s[j] } + +func (s *medianWindow) Add(value float64) { + s[0], s[1] = s[1], s[2] + s[2] = value +} + +func (s *medianWindow) Value() float64 { + tmp := *s + sort.Sort(&tmp) + return tmp[1] +} + +func (s *medianWindow) Set(value float64) { + for i := 0; i < len(s); i++ { + s[i] = value + } +} + +// NewMedian is fixed last 3 samples median MovingAverage. +func NewMedian() ewma.MovingAverage { + return NewThreadSafeMovingAverage(new(medianWindow)) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/name.go b/vendor/github.com/vbauerster/mpb/v6/decor/name.go new file mode 100644 index 000000000..3af311254 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/name.go @@ -0,0 +1,12 @@ +package decor + +// Name decorator displays text that is set once and can't be changed +// during decorator's lifetime. +// +// `str` string to display +// +// `wcc` optional WC config +// +func Name(str string, wcc ...WC) Decorator { + return Any(func(Statistics) string { return str }, wcc...) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/on_complete.go b/vendor/github.com/vbauerster/mpb/v6/decor/on_complete.go new file mode 100644 index 000000000..f46b19aba --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/on_complete.go @@ -0,0 +1,37 @@ +package decor + +// OnComplete returns decorator, which wraps provided decorator, with +// sole purpose to display provided message on complete event. +// +// `decorator` Decorator to wrap +// +// `message` message to display on complete event +// +func OnComplete(decorator Decorator, message string) Decorator { + d := &onCompleteWrapper{ + Decorator: decorator, + msg: message, + } + if md, ok := decorator.(*mergeDecorator); ok { + d.Decorator, md.Decorator = md.Decorator, d + return md + } + return d +} + +type onCompleteWrapper struct { + Decorator + msg string +} + +func (d *onCompleteWrapper) Decor(s Statistics) string { + if s.Completed { + wc := d.GetConf() + return wc.FormatMsg(d.msg) + } + return d.Decorator.Decor(s) +} + +func (d *onCompleteWrapper) Base() Decorator { + return d.Decorator +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/percentage.go b/vendor/github.com/vbauerster/mpb/v6/decor/percentage.go new file mode 100644 index 000000000..f4922bb52 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/percentage.go @@ -0,0 +1,58 @@ +package decor + +import ( + "fmt" + "io" + "strconv" + + "github.com/vbauerster/mpb/v6/internal" +) + +type percentageType float64 + +func (s percentageType) Format(st fmt.State, verb rune) { + var prec int + switch verb { + case 'd': + case 's': + prec = -1 + default: + if p, ok := st.Precision(); ok { + prec = p + } else { + prec = 6 + } + } + + io.WriteString(st, strconv.FormatFloat(float64(s), 'f', prec, 64)) + + if st.Flag(' ') { + io.WriteString(st, " ") + } + io.WriteString(st, "%") +} + +// Percentage returns percentage decorator. It's a wrapper of NewPercentage. +func Percentage(wcc ...WC) Decorator { + return NewPercentage("% d", wcc...) +} + +// NewPercentage percentage decorator with custom format string. +// +// format examples: +// +// format="%.1f" output: "1.0%" +// format="% .1f" output: "1.0 %" +// format="%d" output: "1%" +// format="% d" output: "1 %" +// +func NewPercentage(format string, wcc ...WC) Decorator { + if format == "" { + format = "% d" + } + f := func(s Statistics) string { + p := internal.Percentage(s.Total, s.Current, 100) + return fmt.Sprintf(format, percentageType(p)) + } + return Any(f, wcc...) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/size_type.go b/vendor/github.com/vbauerster/mpb/v6/decor/size_type.go new file mode 100644 index 000000000..e4b974058 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/size_type.go @@ -0,0 +1,109 @@ +package decor + +import ( + "fmt" + "io" + "math" + "strconv" +) + +//go:generate stringer -type=SizeB1024 -trimprefix=_i +//go:generate stringer -type=SizeB1000 -trimprefix=_ + +const ( + _ib SizeB1024 = iota + 1 + _iKiB SizeB1024 = 1 << (iota * 10) + _iMiB + _iGiB + _iTiB +) + +// SizeB1024 named type, which implements fmt.Formatter interface. It +// adjusts its value according to byte size multiple by 1024 and appends +// appropriate size marker (KiB, MiB, GiB, TiB). +type SizeB1024 int64 + +func (self SizeB1024) Format(st fmt.State, verb rune) { + var prec int + switch verb { + case 'd': + case 's': + prec = -1 + default: + if p, ok := st.Precision(); ok { + prec = p + } else { + prec = 6 + } + } + + var unit SizeB1024 + switch { + case self < _iKiB: + unit = _ib + case self < _iMiB: + unit = _iKiB + case self < _iGiB: + unit = _iMiB + case self < _iTiB: + unit = _iGiB + case self <= math.MaxInt64: + unit = _iTiB + } + + io.WriteString(st, strconv.FormatFloat(float64(self)/float64(unit), 'f', prec, 64)) + + if st.Flag(' ') { + io.WriteString(st, " ") + } + io.WriteString(st, unit.String()) +} + +const ( + _b SizeB1000 = 1 + _KB SizeB1000 = _b * 1000 + _MB SizeB1000 = _KB * 1000 + _GB SizeB1000 = _MB * 1000 + _TB SizeB1000 = _GB * 1000 +) + +// SizeB1000 named type, which implements fmt.Formatter interface. It +// adjusts its value according to byte size multiple by 1000 and appends +// appropriate size marker (KB, MB, GB, TB). +type SizeB1000 int64 + +func (self SizeB1000) Format(st fmt.State, verb rune) { + var prec int + switch verb { + case 'd': + case 's': + prec = -1 + default: + if p, ok := st.Precision(); ok { + prec = p + } else { + prec = 6 + } + } + + var unit SizeB1000 + switch { + case self < _KB: + unit = _b + case self < _MB: + unit = _KB + case self < _GB: + unit = _MB + case self < _TB: + unit = _GB + case self <= math.MaxInt64: + unit = _TB + } + + io.WriteString(st, strconv.FormatFloat(float64(self)/float64(unit), 'f', prec, 64)) + + if st.Flag(' ') { + io.WriteString(st, " ") + } + io.WriteString(st, unit.String()) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/sizeb1000_string.go b/vendor/github.com/vbauerster/mpb/v6/decor/sizeb1000_string.go new file mode 100644 index 000000000..3f32ef715 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/sizeb1000_string.go @@ -0,0 +1,41 @@ +// Code generated by "stringer -type=SizeB1000 -trimprefix=_"; DO NOT EDIT. + +package decor + +import "strconv" + +func _() { + // An "invalid array index" compiler error signifies that the constant values have changed. + // Re-run the stringer command to generate them again. + var x [1]struct{} + _ = x[_b-1] + _ = x[_KB-1000] + _ = x[_MB-1000000] + _ = x[_GB-1000000000] + _ = x[_TB-1000000000000] +} + +const ( + _SizeB1000_name_0 = "b" + _SizeB1000_name_1 = "KB" + _SizeB1000_name_2 = "MB" + _SizeB1000_name_3 = "GB" + _SizeB1000_name_4 = "TB" +) + +func (i SizeB1000) String() string { + switch { + case i == 1: + return _SizeB1000_name_0 + case i == 1000: + return _SizeB1000_name_1 + case i == 1000000: + return _SizeB1000_name_2 + case i == 1000000000: + return _SizeB1000_name_3 + case i == 1000000000000: + return _SizeB1000_name_4 + default: + return "SizeB1000(" + strconv.FormatInt(int64(i), 10) + ")" + } +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/sizeb1024_string.go b/vendor/github.com/vbauerster/mpb/v6/decor/sizeb1024_string.go new file mode 100644 index 000000000..9fca66cc7 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/sizeb1024_string.go @@ -0,0 +1,41 @@ +// Code generated by "stringer -type=SizeB1024 -trimprefix=_i"; DO NOT EDIT. + +package decor + +import "strconv" + +func _() { + // An "invalid array index" compiler error signifies that the constant values have changed. + // Re-run the stringer command to generate them again. + var x [1]struct{} + _ = x[_ib-1] + _ = x[_iKiB-1024] + _ = x[_iMiB-1048576] + _ = x[_iGiB-1073741824] + _ = x[_iTiB-1099511627776] +} + +const ( + _SizeB1024_name_0 = "b" + _SizeB1024_name_1 = "KiB" + _SizeB1024_name_2 = "MiB" + _SizeB1024_name_3 = "GiB" + _SizeB1024_name_4 = "TiB" +) + +func (i SizeB1024) String() string { + switch { + case i == 1: + return _SizeB1024_name_0 + case i == 1024: + return _SizeB1024_name_1 + case i == 1048576: + return _SizeB1024_name_2 + case i == 1073741824: + return _SizeB1024_name_3 + case i == 1099511627776: + return _SizeB1024_name_4 + default: + return "SizeB1024(" + strconv.FormatInt(int64(i), 10) + ")" + } +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/speed.go b/vendor/github.com/vbauerster/mpb/v6/decor/speed.go new file mode 100644 index 000000000..634edabfd --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/speed.go @@ -0,0 +1,171 @@ +package decor + +import ( + "fmt" + "io" + "math" + "time" + + "github.com/VividCortex/ewma" +) + +// FmtAsSpeed adds "/s" to the end of the input formatter. To be +// used with SizeB1000 or SizeB1024 types, for example: +// +// fmt.Printf("%.1f", FmtAsSpeed(SizeB1024(2048))) +// +func FmtAsSpeed(input fmt.Formatter) fmt.Formatter { + return &speedFormatter{input} +} + +type speedFormatter struct { + fmt.Formatter +} + +func (self *speedFormatter) Format(st fmt.State, verb rune) { + self.Formatter.Format(st, verb) + io.WriteString(st, "/s") +} + +// EwmaSpeed exponential-weighted-moving-average based speed decorator. +// For this decorator to work correctly you have to measure each +// iteration's duration and pass it to the +// *Bar.DecoratorEwmaUpdate(time.Duration) method after each increment. +func EwmaSpeed(unit int, format string, age float64, wcc ...WC) Decorator { + var average ewma.MovingAverage + if age == 0 { + average = ewma.NewMovingAverage() + } else { + average = ewma.NewMovingAverage(age) + } + return MovingAverageSpeed(unit, format, NewThreadSafeMovingAverage(average), wcc...) +} + +// MovingAverageSpeed decorator relies on MovingAverage implementation +// to calculate its average. +// +// `unit` one of [0|UnitKiB|UnitKB] zero for no unit +// +// `format` printf compatible verb for value, like "%f" or "%d" +// +// `average` MovingAverage implementation +// +// `wcc` optional WC config +// +// format examples: +// +// unit=UnitKiB, format="%.1f" output: "1.0MiB/s" +// unit=UnitKiB, format="% .1f" output: "1.0 MiB/s" +// unit=UnitKB, format="%.1f" output: "1.0MB/s" +// unit=UnitKB, format="% .1f" output: "1.0 MB/s" +// +func MovingAverageSpeed(unit int, format string, average ewma.MovingAverage, wcc ...WC) Decorator { + if format == "" { + format = "%.0f" + } + d := &movingAverageSpeed{ + WC: initWC(wcc...), + average: average, + producer: chooseSpeedProducer(unit, format), + } + return d +} + +type movingAverageSpeed struct { + WC + producer func(float64) string + average ewma.MovingAverage + msg string +} + +func (d *movingAverageSpeed) Decor(s Statistics) string { + if !s.Completed { + var speed float64 + if v := d.average.Value(); v > 0 { + speed = 1 / v + } + d.msg = d.producer(speed * 1e9) + } + return d.FormatMsg(d.msg) +} + +func (d *movingAverageSpeed) EwmaUpdate(n int64, dur time.Duration) { + durPerByte := float64(dur) / float64(n) + if math.IsInf(durPerByte, 0) || math.IsNaN(durPerByte) { + return + } + d.average.Add(durPerByte) +} + +// AverageSpeed decorator with dynamic unit measure adjustment. It's +// a wrapper of NewAverageSpeed. +func AverageSpeed(unit int, format string, wcc ...WC) Decorator { + return NewAverageSpeed(unit, format, time.Now(), wcc...) +} + +// NewAverageSpeed decorator with dynamic unit measure adjustment and +// user provided start time. +// +// `unit` one of [0|UnitKiB|UnitKB] zero for no unit +// +// `format` printf compatible verb for value, like "%f" or "%d" +// +// `startTime` start time +// +// `wcc` optional WC config +// +// format examples: +// +// unit=UnitKiB, format="%.1f" output: "1.0MiB/s" +// unit=UnitKiB, format="% .1f" output: "1.0 MiB/s" +// unit=UnitKB, format="%.1f" output: "1.0MB/s" +// unit=UnitKB, format="% .1f" output: "1.0 MB/s" +// +func NewAverageSpeed(unit int, format string, startTime time.Time, wcc ...WC) Decorator { + if format == "" { + format = "%.0f" + } + d := &averageSpeed{ + WC: initWC(wcc...), + startTime: startTime, + producer: chooseSpeedProducer(unit, format), + } + return d +} + +type averageSpeed struct { + WC + startTime time.Time + producer func(float64) string + msg string +} + +func (d *averageSpeed) Decor(s Statistics) string { + if !s.Completed { + speed := float64(s.Current) / float64(time.Since(d.startTime)) + d.msg = d.producer(speed * 1e9) + } + + return d.FormatMsg(d.msg) +} + +func (d *averageSpeed) AverageAdjust(startTime time.Time) { + d.startTime = startTime +} + +func chooseSpeedProducer(unit int, format string) func(float64) string { + switch unit { + case UnitKiB: + return func(speed float64) string { + return fmt.Sprintf(format, FmtAsSpeed(SizeB1024(math.Round(speed)))) + } + case UnitKB: + return func(speed float64) string { + return fmt.Sprintf(format, FmtAsSpeed(SizeB1000(math.Round(speed)))) + } + default: + return func(speed float64) string { + return fmt.Sprintf(format, speed) + } + } +} diff --git a/vendor/github.com/vbauerster/mpb/v6/decor/spinner.go b/vendor/github.com/vbauerster/mpb/v6/decor/spinner.go new file mode 100644 index 000000000..6871639db --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/decor/spinner.go @@ -0,0 +1,21 @@ +package decor + +var defaultSpinnerStyle = []string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"} + +// Spinner returns spinner decorator. +// +// `frames` spinner frames, if nil or len==0, default is used +// +// `wcc` optional WC config +func Spinner(frames []string, wcc ...WC) Decorator { + if len(frames) == 0 { + frames = defaultSpinnerStyle + } + var count uint + f := func(s Statistics) string { + frame := frames[count%uint(len(frames))] + count++ + return frame + } + return Any(f, wcc...) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/doc.go b/vendor/github.com/vbauerster/mpb/v6/doc.go new file mode 100644 index 000000000..5ada71774 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/doc.go @@ -0,0 +1,2 @@ +// Package mpb is a library for rendering progress bars in terminal applications. +package mpb diff --git a/vendor/github.com/vbauerster/mpb/v6/go.mod b/vendor/github.com/vbauerster/mpb/v6/go.mod new file mode 100644 index 000000000..3a3d337d2 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/go.mod @@ -0,0 +1,11 @@ +module github.com/vbauerster/mpb/v6 + +require ( + github.com/VividCortex/ewma v1.1.1 + github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d + github.com/mattn/go-runewidth v0.0.10 + github.com/rivo/uniseg v0.2.0 + golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78 +) + +go 1.14 diff --git a/vendor/github.com/vbauerster/mpb/v6/go.sum b/vendor/github.com/vbauerster/mpb/v6/go.sum new file mode 100644 index 000000000..1c20f8921 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/go.sum @@ -0,0 +1,11 @@ +github.com/VividCortex/ewma v1.1.1 h1:MnEK4VOv6n0RSY4vtRe3h11qjxL3+t0B8yOL8iMXdcM= +github.com/VividCortex/ewma v1.1.1/go.mod h1:2Tkkvm3sRDVXaiyucHiACn4cqf7DpdyLvmxzcbUokwA= +github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d h1:licZJFw2RwpHMqeKTCYkitsPqHNxTmd4SNR5r94FGM8= +github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d/go.mod h1:asat636LX7Bqt5lYEZ27JNDcqxfjdBQuJ/MM4CN/Lzo= +github.com/mattn/go-runewidth v0.0.10 h1:CoZ3S2P7pvtP45xOtBw+/mDL2z0RKI576gSkzRRpdGg= +github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk= +github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc= +github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY= +github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc= +golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78 h1:nVuTkr9L6Bq62qpUqKo/RnZCFfzDBL0bYo6w9OJUqZY= +golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= diff --git a/vendor/github.com/vbauerster/mpb/v6/internal/percentage.go b/vendor/github.com/vbauerster/mpb/v6/internal/percentage.go new file mode 100644 index 000000000..a8ef8be12 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/internal/percentage.go @@ -0,0 +1,19 @@ +package internal + +import "math" + +// Percentage is a helper function, to calculate percentage. +func Percentage(total, current int64, width int) float64 { + if total <= 0 { + return 0 + } + if current >= total { + return float64(width) + } + return float64(int64(width)*current) / float64(total) +} + +// PercentageRound same as Percentage but with math.Round. +func PercentageRound(total, current int64, width int) float64 { + return math.Round(Percentage(total, current, width)) +} diff --git a/vendor/github.com/vbauerster/mpb/v6/internal/predicate.go b/vendor/github.com/vbauerster/mpb/v6/internal/predicate.go new file mode 100644 index 000000000..1e4dd24d9 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/internal/predicate.go @@ -0,0 +1,6 @@ +package internal + +// Predicate helper for internal use. +func Predicate(pick bool) func() bool { + return func() bool { return pick } +} diff --git a/vendor/github.com/vbauerster/mpb/v6/internal/width.go b/vendor/github.com/vbauerster/mpb/v6/internal/width.go new file mode 100644 index 000000000..216320f24 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/internal/width.go @@ -0,0 +1,10 @@ +package internal + +// CheckRequestedWidth checks that requested width doesn't overflow +// available width +func CheckRequestedWidth(requested, available int) int { + if requested <= 0 || requested >= available { + return available + } + return requested +} diff --git a/vendor/github.com/vbauerster/mpb/v6/priority_queue.go b/vendor/github.com/vbauerster/mpb/v6/priority_queue.go new file mode 100644 index 000000000..29d9bd5a8 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/priority_queue.go @@ -0,0 +1,32 @@ +package mpb + +// A priorityQueue implements heap.Interface +type priorityQueue []*Bar + +func (pq priorityQueue) Len() int { return len(pq) } + +func (pq priorityQueue) Less(i, j int) bool { + return pq[i].priority < pq[j].priority +} + +func (pq priorityQueue) Swap(i, j int) { + pq[i], pq[j] = pq[j], pq[i] + pq[i].index = i + pq[j].index = j +} + +func (pq *priorityQueue) Push(x interface{}) { + s := *pq + bar := x.(*Bar) + bar.index = len(s) + s = append(s, bar) + *pq = s +} + +func (pq *priorityQueue) Pop() interface{} { + s := *pq + *pq = s[0 : len(s)-1] + bar := s[len(s)-1] + bar.index = -1 // for safety + return bar +} diff --git a/vendor/github.com/vbauerster/mpb/v6/progress.go b/vendor/github.com/vbauerster/mpb/v6/progress.go new file mode 100644 index 000000000..5a3f96243 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/progress.go @@ -0,0 +1,412 @@ +package mpb + +import ( + "bytes" + "container/heap" + "context" + "fmt" + "io" + "io/ioutil" + "log" + "math" + "os" + "sync" + "time" + + "github.com/vbauerster/mpb/v6/cwriter" + "github.com/vbauerster/mpb/v6/decor" +) + +const ( + // default RefreshRate + prr = 120 * time.Millisecond +) + +// Progress represents a container that renders one or more progress +// bars. +type Progress struct { + ctx context.Context + uwg *sync.WaitGroup + cwg *sync.WaitGroup + bwg *sync.WaitGroup + operateState chan func(*pState) + done chan struct{} + refreshCh chan time.Time + once sync.Once + dlogger *log.Logger +} + +// pState holds bars in its priorityQueue. It gets passed to +// *Progress.serve(...) monitor goroutine. +type pState struct { + bHeap priorityQueue + heapUpdated bool + pMatrix map[int][]chan int + aMatrix map[int][]chan int + barShutdownQueue []*Bar + + // following are provided/overrided by user + idCount int + reqWidth int + popCompleted bool + outputDiscarded bool + rr time.Duration + uwg *sync.WaitGroup + externalRefresh <-chan interface{} + renderDelay <-chan struct{} + shutdownNotifier chan struct{} + parkedBars map[*Bar]*Bar + output io.Writer + debugOut io.Writer +} + +// New creates new Progress container instance. It's not possible to +// reuse instance after *Progress.Wait() method has been called. +func New(options ...ContainerOption) *Progress { + return NewWithContext(context.Background(), options...) +} + +// NewWithContext creates new Progress container instance with provided +// context. It's not possible to reuse instance after *Progress.Wait() +// method has been called. +func NewWithContext(ctx context.Context, options ...ContainerOption) *Progress { + s := &pState{ + bHeap: priorityQueue{}, + rr: prr, + parkedBars: make(map[*Bar]*Bar), + output: os.Stdout, + debugOut: ioutil.Discard, + } + + for _, opt := range options { + if opt != nil { + opt(s) + } + } + + p := &Progress{ + ctx: ctx, + uwg: s.uwg, + cwg: new(sync.WaitGroup), + bwg: new(sync.WaitGroup), + operateState: make(chan func(*pState)), + done: make(chan struct{}), + dlogger: log.New(s.debugOut, "[mpb] ", log.Lshortfile), + } + + p.cwg.Add(1) + go p.serve(s, cwriter.New(s.output)) + return p +} + +// AddBar creates a bar with default bar filler. Different filler can +// be choosen and applied via `*Progress.Add(...) *Bar` method. +func (p *Progress) AddBar(total int64, options ...BarOption) *Bar { + return p.Add(total, NewBarFiller(BarDefaultStyle), options...) +} + +// AddSpinner creates a bar with default spinner filler. Different +// filler can be choosen and applied via `*Progress.Add(...) *Bar` +// method. +func (p *Progress) AddSpinner(total int64, alignment SpinnerAlignment, options ...BarOption) *Bar { + return p.Add(total, NewSpinnerFiller(SpinnerDefaultStyle, alignment), options...) +} + +// Add creates a bar which renders itself by provided filler. +// If `total <= 0` trigger complete event is disabled until reset with *bar.SetTotal(int64, bool). +// Panics if *Progress instance is done, i.e. called after *Progress.Wait(). +func (p *Progress) Add(total int64, filler BarFiller, options ...BarOption) *Bar { + if filler == nil { + filler = BarFillerFunc(func(io.Writer, int, decor.Statistics) {}) + } + p.bwg.Add(1) + result := make(chan *Bar) + select { + case p.operateState <- func(ps *pState) { + bs := ps.makeBarState(total, filler, options...) + bar := newBar(p, bs) + if bs.runningBar != nil { + bs.runningBar.noPop = true + ps.parkedBars[bs.runningBar] = bar + } else { + heap.Push(&ps.bHeap, bar) + ps.heapUpdated = true + } + ps.idCount++ + result <- bar + }: + bar := <-result + bar.subscribeDecorators() + return bar + case <-p.done: + p.bwg.Done() + panic(fmt.Sprintf("%T instance can't be reused after it's done!", p)) + } +} + +func (p *Progress) dropBar(b *Bar) { + select { + case p.operateState <- func(s *pState) { + if b.index < 0 { + return + } + heap.Remove(&s.bHeap, b.index) + s.heapUpdated = true + }: + case <-p.done: + } +} + +func (p *Progress) setBarPriority(b *Bar, priority int) { + select { + case p.operateState <- func(s *pState) { + if b.index < 0 { + return + } + b.priority = priority + heap.Fix(&s.bHeap, b.index) + }: + case <-p.done: + } +} + +// UpdateBarPriority same as *Bar.SetPriority(int). +func (p *Progress) UpdateBarPriority(b *Bar, priority int) { + p.setBarPriority(b, priority) +} + +// BarCount returns bars count. +func (p *Progress) BarCount() int { + result := make(chan int, 1) + select { + case p.operateState <- func(s *pState) { result <- s.bHeap.Len() }: + return <-result + case <-p.done: + return 0 + } +} + +// Wait waits for all bars to complete and finally shutdowns container. +// After this method has been called, there is no way to reuse *Progress +// instance. +func (p *Progress) Wait() { + if p.uwg != nil { + // wait for user wg + p.uwg.Wait() + } + + // wait for bars to quit, if any + p.bwg.Wait() + + p.once.Do(p.shutdown) + + // wait for container to quit + p.cwg.Wait() +} + +func (p *Progress) shutdown() { + close(p.done) +} + +func (p *Progress) serve(s *pState, cw *cwriter.Writer) { + defer p.cwg.Done() + + p.refreshCh = s.newTicker(p.done) + + for { + select { + case op := <-p.operateState: + op(s) + case <-p.refreshCh: + if err := s.render(cw); err != nil { + p.dlogger.Println(err) + } + case <-s.shutdownNotifier: + if s.heapUpdated { + if err := s.render(cw); err != nil { + p.dlogger.Println(err) + } + } + return + } + } +} + +func (s *pState) newTicker(done <-chan struct{}) chan time.Time { + ch := make(chan time.Time) + if s.shutdownNotifier == nil { + s.shutdownNotifier = make(chan struct{}) + } + go func() { + if s.renderDelay != nil { + <-s.renderDelay + } + var internalRefresh <-chan time.Time + if !s.outputDiscarded { + if s.externalRefresh == nil { + ticker := time.NewTicker(s.rr) + defer ticker.Stop() + internalRefresh = ticker.C + } + } else { + s.externalRefresh = nil + } + for { + select { + case t := <-internalRefresh: + ch <- t + case x := <-s.externalRefresh: + if t, ok := x.(time.Time); ok { + ch <- t + } else { + ch <- time.Now() + } + case <-done: + close(s.shutdownNotifier) + return + } + } + }() + return ch +} + +func (s *pState) render(cw *cwriter.Writer) error { + if s.heapUpdated { + s.updateSyncMatrix() + s.heapUpdated = false + } + syncWidth(s.pMatrix) + syncWidth(s.aMatrix) + + tw, err := cw.GetWidth() + if err != nil { + tw = s.reqWidth + } + for i := 0; i < s.bHeap.Len(); i++ { + bar := s.bHeap[i] + go bar.render(tw) + } + + return s.flush(cw) +} + +func (s *pState) flush(cw *cwriter.Writer) error { + var lineCount int + bm := make(map[*Bar]struct{}, s.bHeap.Len()) + for s.bHeap.Len() > 0 { + b := heap.Pop(&s.bHeap).(*Bar) + cw.ReadFrom(<-b.frameCh) + if b.toShutdown { + if b.recoveredPanic != nil { + s.barShutdownQueue = append(s.barShutdownQueue, b) + b.toShutdown = false + } else { + // shutdown at next flush + // this ensures no bar ends up with less than 100% rendered + defer func() { + s.barShutdownQueue = append(s.barShutdownQueue, b) + }() + } + } + lineCount += b.extendedLines + 1 + bm[b] = struct{}{} + } + + for _, b := range s.barShutdownQueue { + if parkedBar := s.parkedBars[b]; parkedBar != nil { + parkedBar.priority = b.priority + heap.Push(&s.bHeap, parkedBar) + delete(s.parkedBars, b) + b.toDrop = true + } + if s.popCompleted && !b.noPop { + lineCount -= b.extendedLines + 1 + b.toDrop = true + } + if b.toDrop { + delete(bm, b) + s.heapUpdated = true + } + b.cancel() + } + s.barShutdownQueue = s.barShutdownQueue[0:0] + + for b := range bm { + heap.Push(&s.bHeap, b) + } + + return cw.Flush(lineCount) +} + +func (s *pState) updateSyncMatrix() { + s.pMatrix = make(map[int][]chan int) + s.aMatrix = make(map[int][]chan int) + for i := 0; i < s.bHeap.Len(); i++ { + bar := s.bHeap[i] + table := bar.wSyncTable() + pRow, aRow := table[0], table[1] + + for i, ch := range pRow { + s.pMatrix[i] = append(s.pMatrix[i], ch) + } + + for i, ch := range aRow { + s.aMatrix[i] = append(s.aMatrix[i], ch) + } + } +} + +func (s *pState) makeBarState(total int64, filler BarFiller, options ...BarOption) *bState { + bs := &bState{ + id: s.idCount, + priority: s.idCount, + reqWidth: s.reqWidth, + total: total, + filler: filler, + extender: func(r io.Reader, _ int, _ decor.Statistics) (io.Reader, int) { return r, 0 }, + debugOut: s.debugOut, + } + + if total > 0 { + bs.triggerComplete = true + } + + for _, opt := range options { + if opt != nil { + opt(bs) + } + } + + if bs.middleware != nil { + bs.filler = bs.middleware(filler) + bs.middleware = nil + } + + if s.popCompleted && !bs.noPop { + bs.priority = -(math.MaxInt32 - s.idCount) + } + + bs.bufP = bytes.NewBuffer(make([]byte, 0, 128)) + bs.bufB = bytes.NewBuffer(make([]byte, 0, 256)) + bs.bufA = bytes.NewBuffer(make([]byte, 0, 128)) + + return bs +} + +func syncWidth(matrix map[int][]chan int) { + for _, column := range matrix { + go maxWidthDistributor(column) + } +} + +var maxWidthDistributor = func(column []chan int) { + var maxWidth int + for _, ch := range column { + if w := <-ch; w > maxWidth { + maxWidth = w + } + } + for _, ch := range column { + ch <- maxWidth + } +} diff --git a/vendor/github.com/vbauerster/mpb/v6/proxyreader.go b/vendor/github.com/vbauerster/mpb/v6/proxyreader.go new file mode 100644 index 000000000..316f438d7 --- /dev/null +++ b/vendor/github.com/vbauerster/mpb/v6/proxyreader.go @@ -0,0 +1,90 @@ +package mpb + +import ( + "io" + "io/ioutil" + "time" +) + +type proxyReader struct { + io.ReadCloser + bar *Bar +} + +func (x *proxyReader) Read(p []byte) (int, error) { + n, err := x.ReadCloser.Read(p) + x.bar.IncrBy(n) + if err == io.EOF { + go x.bar.SetTotal(0, true) + } + return n, err +} + +type proxyWriterTo struct { + io.ReadCloser // *proxyReader + wt io.WriterTo + bar *Bar +} + +func (x *proxyWriterTo) WriteTo(w io.Writer) (int64, error) { + n, err := x.wt.WriteTo(w) + x.bar.IncrInt64(n) + if err == io.EOF { + go x.bar.SetTotal(0, true) + } + return n, err +} + +type ewmaProxyReader struct { + io.ReadCloser // *proxyReader + bar *Bar + iT time.Time +} + +func (x *ewmaProxyReader) Read(p []byte) (int, error) { + n, err := x.ReadCloser.Read(p) + if n > 0 { + x.bar.DecoratorEwmaUpdate(time.Since(x.iT)) + x.iT = time.Now() + } + return n, err +} + +type ewmaProxyWriterTo struct { + io.ReadCloser // *ewmaProxyReader + wt io.WriterTo // *proxyWriterTo + bar *Bar + iT time.Time +} + +func (x *ewmaProxyWriterTo) WriteTo(w io.Writer) (int64, error) { + n, err := x.wt.WriteTo(w) + if n > 0 { + x.bar.DecoratorEwmaUpdate(time.Since(x.iT)) + x.iT = time.Now() + } + return n, err +} + +func newProxyReader(r io.Reader, bar *Bar) io.ReadCloser { + rc := toReadCloser(r) + rc = &proxyReader{rc, bar} + + if wt, isWriterTo := r.(io.WriterTo); bar.hasEwmaDecorators { + now := time.Now() + rc = &ewmaProxyReader{rc, bar, now} + if isWriterTo { + rc = &ewmaProxyWriterTo{rc, wt, bar, now} + } + } else if isWriterTo { + rc = &proxyWriterTo{rc, wt, bar} + } + return rc +} + +func toReadCloser(r io.Reader) io.ReadCloser { + if rc, ok := r.(io.ReadCloser); ok { + return rc + } + return ioutil.NopCloser(r) +} |