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authorValentin Rothberg <rothberg@redhat.com>2019-02-21 11:54:04 +0100
committerValentin Rothberg <rothberg@redhat.com>2019-02-21 11:54:04 +0100
commitc069d117594d72159157aa48d0693d8571be45c5 (patch)
tree19b8af7cb8eb967154f162bde56bb6b599aad4cf /vendor/gopkg.in/cheggaaa/pb.v1/pb_x.go
parent4934bf23272f185fa9f08d0ba890c5a0eb4ed14d (diff)
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vendor containers/image v1.4
This requires some additional changes to the dependencies since the progress-bar library has been changed to github.com/vbauerster/mpb. Please refer to the following link for the release notes: https://github.com/containers/image/releases/tag/v1.4 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/gopkg.in/cheggaaa/pb.v1/pb_x.go')
-rw-r--r--vendor/gopkg.in/cheggaaa/pb.v1/pb_x.go118
1 files changed, 0 insertions, 118 deletions
diff --git a/vendor/gopkg.in/cheggaaa/pb.v1/pb_x.go b/vendor/gopkg.in/cheggaaa/pb.v1/pb_x.go
deleted file mode 100644
index af4251760..000000000
--- a/vendor/gopkg.in/cheggaaa/pb.v1/pb_x.go
+++ /dev/null
@@ -1,118 +0,0 @@
-// +build linux darwin freebsd netbsd openbsd solaris dragonfly
-// +build !appengine !js
-
-package pb
-
-import (
- "errors"
- "fmt"
- "os"
- "os/signal"
- "sync"
- "syscall"
-
- "golang.org/x/sys/unix"
-)
-
-var ErrPoolWasStarted = errors.New("Bar pool was started")
-
-var (
- echoLockMutex sync.Mutex
- origTermStatePtr *unix.Termios
- tty *os.File
- istty bool
-)
-
-func init() {
- echoLockMutex.Lock()
- defer echoLockMutex.Unlock()
-
- var err error
- tty, err = os.Open("/dev/tty")
- istty = true
- if err != nil {
- tty = os.Stdin
- istty = false
- }
-}
-
-// terminalWidth returns width of the terminal.
-func terminalWidth() (int, error) {
- if !istty {
- return 0, errors.New("Not Supported")
- }
- echoLockMutex.Lock()
- defer echoLockMutex.Unlock()
-
- fd := int(tty.Fd())
-
- ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ)
- if err != nil {
- return 0, err
- }
-
- return int(ws.Col), nil
-}
-
-func lockEcho() (shutdownCh chan struct{}, err error) {
- echoLockMutex.Lock()
- defer echoLockMutex.Unlock()
- if istty {
- if origTermStatePtr != nil {
- return shutdownCh, ErrPoolWasStarted
- }
-
- fd := int(tty.Fd())
-
- origTermStatePtr, err = unix.IoctlGetTermios(fd, ioctlReadTermios)
- if err != nil {
- return nil, fmt.Errorf("Can't get terminal settings: %v", err)
- }
-
- oldTermios := *origTermStatePtr
- newTermios := oldTermios
- newTermios.Lflag &^= syscall.ECHO
- newTermios.Lflag |= syscall.ICANON | syscall.ISIG
- newTermios.Iflag |= syscall.ICRNL
- if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, &newTermios); err != nil {
- return nil, fmt.Errorf("Can't set terminal settings: %v", err)
- }
-
- }
- shutdownCh = make(chan struct{})
- go catchTerminate(shutdownCh)
- return
-}
-
-func unlockEcho() error {
- echoLockMutex.Lock()
- defer echoLockMutex.Unlock()
- if istty {
- if origTermStatePtr == nil {
- return nil
- }
-
- fd := int(tty.Fd())
-
- if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, origTermStatePtr); err != nil {
- return fmt.Errorf("Can't set terminal settings: %v", err)
- }
-
- }
- origTermStatePtr = nil
-
- return nil
-}
-
-// listen exit signals and restore terminal state
-func catchTerminate(shutdownCh chan struct{}) {
- sig := make(chan os.Signal, 1)
- signal.Notify(sig, os.Interrupt, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGKILL)
- defer signal.Stop(sig)
- select {
- case <-shutdownCh:
- unlockEcho()
- case <-sig:
- unlockEcho()
- }
-}