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authorPaul Holzinger <paul.holzinger@web.de>2020-09-10 22:36:19 +0200
committerPaul Holzinger <paul.holzinger@web.de>2020-11-12 11:32:03 +0100
commitdf4bf5c584f264bdefef5cb30d85c036260eff8f (patch)
tree8d71634cc63feac5020dfdfc745d178457b50805 /vendor/github.com/spf13/cobra
parentea753128952e1a6d4b56cc80d232f6dbfb420ba5 (diff)
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Vendor in some cobra PRs to improve the completion experience.
This is only temporary until the cobra following PRs are merged: - PR#1258 Custom completion handle multiple shorhand flags together - PR#1249 Fix fish handling of "ShellCompDirectiveNoSpace" and file completion - PR#1213 Fix zsh completion handling of nospace and file completion - PR#1146 Bash completion V2 with completion descriptions Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
Diffstat (limited to 'vendor/github.com/spf13/cobra')
-rw-r--r--vendor/github.com/spf13/cobra/bash_completions.go752
-rw-r--r--vendor/github.com/spf13/cobra/custom_completions.go101
-rw-r--r--vendor/github.com/spf13/cobra/fish_completions.go115
-rw-r--r--vendor/github.com/spf13/cobra/zsh_completions.go55
4 files changed, 405 insertions, 618 deletions
diff --git a/vendor/github.com/spf13/cobra/bash_completions.go b/vendor/github.com/spf13/cobra/bash_completions.go
index 846636d75..2ceebc552 100644
--- a/vendor/github.com/spf13/cobra/bash_completions.go
+++ b/vendor/github.com/spf13/cobra/bash_completions.go
@@ -5,70 +5,95 @@ import (
"fmt"
"io"
"os"
- "sort"
- "strings"
-
- "github.com/spf13/pflag"
)
// Annotations for Bash completion.
const (
- BashCompFilenameExt = "cobra_annotation_bash_completion_filename_extensions"
+ BashCompFilenameExt = "cobra_annotation_bash_completion_filename_extensions"
+ // BashCompCustom should be avoided as it only works for bash.
+ // Function RegisterFlagCompletionFunc() should be used instead.
BashCompCustom = "cobra_annotation_bash_completion_custom"
BashCompOneRequiredFlag = "cobra_annotation_bash_completion_one_required_flag"
BashCompSubdirsInDir = "cobra_annotation_bash_completion_subdirs_in_dir"
)
-func writePreamble(buf *bytes.Buffer, name string) {
- buf.WriteString(fmt.Sprintf("# bash completion for %-36s -*- shell-script -*-\n", name))
- buf.WriteString(fmt.Sprintf(`
-__%[1]s_debug()
-{
- if [[ -n ${BASH_COMP_DEBUG_FILE} ]]; then
- echo "$*" >> "${BASH_COMP_DEBUG_FILE}"
- fi
+// GenBashCompletion generates bash completion file and writes to the passed writer.
+func (c *Command) GenBashCompletion(w io.Writer) error {
+ return c.genBashCompletion(w, false)
}
-# Homebrew on Macs have version 1.3 of bash-completion which doesn't include
-# _init_completion. This is a very minimal version of that function.
-__%[1]s_init_completion()
-{
- COMPREPLY=()
- _get_comp_words_by_ref "$@" cur prev words cword
+// GenBashCompletionWithDesc generates bash completion file with descriptions and writes to the passed writer.
+func (c *Command) GenBashCompletionWithDesc(w io.Writer) error {
+ return c.genBashCompletion(w, true)
}
-__%[1]s_index_of_word()
-{
- local w word=$1
- shift
- index=0
- for w in "$@"; do
- [[ $w = "$word" ]] && return
- index=$((index+1))
- done
- index=-1
+// GenBashCompletionFile generates bash completion file.
+func (c *Command) GenBashCompletionFile(filename string) error {
+ return c.genBashCompletionFile(filename, false)
+}
+
+// GenBashCompletionFileWithDesc generates bash completion file with descriptions.
+func (c *Command) GenBashCompletionFileWithDesc(filename string) error {
+ return c.genBashCompletionFile(filename, true)
+}
+
+func (c *Command) genBashCompletionFile(filename string, includeDesc bool) error {
+ outFile, err := os.Create(filename)
+ if err != nil {
+ return err
+ }
+ defer outFile.Close()
+
+ return c.genBashCompletion(outFile, includeDesc)
}
-__%[1]s_contains_word()
+func (c *Command) genBashCompletion(w io.Writer, includeDesc bool) error {
+ buf := new(bytes.Buffer)
+ if len(c.BashCompletionFunction) > 0 {
+ buf.WriteString(c.BashCompletionFunction + "\n")
+ }
+ genBashComp(buf, c.Name(), includeDesc)
+
+ _, err := buf.WriteTo(w)
+ return err
+}
+
+func genBashComp(buf *bytes.Buffer, name string, includeDesc bool) {
+ compCmd := ShellCompRequestCmd
+ if !includeDesc {
+ compCmd = ShellCompNoDescRequestCmd
+ }
+
+ buf.WriteString(fmt.Sprintf(`# bash completion for %-36[1]s -*- shell-script -*-
+
+__%[1]s_debug()
{
- local w word=$1; shift
- for w in "$@"; do
- [[ $w = "$word" ]] && return
- done
- return 1
+ if [[ -n ${BASH_COMP_DEBUG_FILE} ]]; then
+ echo "$*" >> "${BASH_COMP_DEBUG_FILE}"
+ fi
}
-__%[1]s_handle_go_custom_completion()
+__%[1]s_perform_completion()
{
- __%[1]s_debug "${FUNCNAME[0]}: cur is ${cur}, words[*] is ${words[*]}, #words[@] is ${#words[@]}"
+ __%[1]s_debug
+ __%[1]s_debug "========= starting completion logic =========="
+ __%[1]s_debug "cur is ${cur}, words[*] is ${words[*]}, #words[@] is ${#words[@]}, cword is $cword"
+
+ # The user could have moved the cursor backwards on the command-line.
+ # We need to trigger completion from the $cword location, so we need
+ # to truncate the command-line ($words) up to the $cword location.
+ words=("${words[@]:0:$cword+1}")
+ __%[1]s_debug "Truncated words[*]: ${words[*]},"
local shellCompDirectiveError=%[3]d
local shellCompDirectiveNoSpace=%[4]d
local shellCompDirectiveNoFileComp=%[5]d
local shellCompDirectiveFilterFileExt=%[6]d
local shellCompDirectiveFilterDirs=%[7]d
+ local shellCompDirectiveLegacyCustomComp=%[8]d
+ local shellCompDirectiveLegacyCustomArgsComp=%[9]d
- local out requestComp lastParam lastChar comp directive args
+ local out requestComp lastParam lastChar comp directive args flagPrefix
# Prepare the command to request completions for the program.
# Calling ${words[0]} instead of directly %[1]s allows to handle aliases
@@ -77,16 +102,24 @@ __%[1]s_handle_go_custom_completion()
lastParam=${words[$((${#words[@]}-1))]}
lastChar=${lastParam:$((${#lastParam}-1)):1}
- __%[1]s_debug "${FUNCNAME[0]}: lastParam ${lastParam}, lastChar ${lastChar}"
+ __%[1]s_debug "lastParam ${lastParam}, lastChar ${lastChar}"
if [ -z "${cur}" ] && [ "${lastChar}" != "=" ]; then
# If the last parameter is complete (there is a space following it)
# We add an extra empty parameter so we can indicate this to the go method.
- __%[1]s_debug "${FUNCNAME[0]}: Adding extra empty parameter"
+ __%[1]s_debug "Adding extra empty parameter"
requestComp="${requestComp} \"\""
fi
- __%[1]s_debug "${FUNCNAME[0]}: calling ${requestComp}"
+ # When completing a flag with an = (e.g., %[1]s -n=<TAB>)
+ # bash focuses on the part after the =, so we need to remove
+ # the flag part from $cur
+ if [[ "${cur}" == -*=* ]]; then
+ flagPrefix="${cur%%%%=*}="
+ cur="${cur#*=}"
+ fi
+
+ __%[1]s_debug "Calling ${requestComp}"
# Use eval to handle any environment variables and such
out=$(eval "${requestComp}" 2>/dev/null)
@@ -98,23 +131,23 @@ __%[1]s_handle_go_custom_completion()
# There is not directive specified
directive=0
fi
- __%[1]s_debug "${FUNCNAME[0]}: the completion directive is: ${directive}"
- __%[1]s_debug "${FUNCNAME[0]}: the completions are: ${out[*]}"
+ __%[1]s_debug "The completion directive is: ${directive}"
+ __%[1]s_debug "The completions are: ${out[*]}"
if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then
# Error code. No completion.
- __%[1]s_debug "${FUNCNAME[0]}: received error from custom completion go code"
+ __%[1]s_debug "Received error from custom completion go code"
return
else
if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then
if [[ $(type -t compopt) = "builtin" ]]; then
- __%[1]s_debug "${FUNCNAME[0]}: activating no space"
+ __%[1]s_debug "Activating no space"
compopt -o nospace
fi
fi
if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
if [[ $(type -t compopt) = "builtin" ]]; then
- __%[1]s_debug "${FUNCNAME[0]}: activating no file completion"
+ __%[1]s_debug "Activating no file completion"
compopt +o default
fi
fi
@@ -123,6 +156,7 @@ __%[1]s_handle_go_custom_completion()
if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then
# File extension filtering
local fullFilter filter filteringCmd
+
# Do not use quotes around the $out variable or else newline
# characters will be kept.
for filter in ${out[*]}; do
@@ -134,545 +168,173 @@ __%[1]s_handle_go_custom_completion()
$filteringCmd
elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then
# File completion for directories only
- local subDir
+
# Use printf to strip any trailing newline
+ local subdir
subdir=$(printf "%%s" "${out[0]}")
if [ -n "$subdir" ]; then
__%[1]s_debug "Listing directories in $subdir"
- __%[1]s_handle_subdirs_in_dir_flag "$subdir"
+ pushd "$subdir" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1 || return
else
__%[1]s_debug "Listing directories in ."
_filedir -d
fi
+ elif [ $((directive & shellCompDirectiveLegacyCustomComp)) -ne 0 ]; then
+ local cmd
+ __%[1]s_debug "Legacy custom completion. Directive: $directive, cmds: ${out[*]}"
+
+ # The following variables should get their value through the commands
+ # we have received as completions and are parsing below.
+ local last_command
+ local nouns
+
+ # Execute every command received
+ while IFS='' read -r cmd; do
+ __%[1]s_debug "About to execute: $cmd"
+ eval "$cmd"
+ done < <(printf "%%s\n" "${out[@]}")
+
+ __%[1]s_debug "last_command: $last_command"
+ __%[1]s_debug "nouns[0]: ${nouns[0]}, nouns[1]: ${nouns[1]}"
+
+ if [ $((directive & shellCompDirectiveLegacyCustomArgsComp)) -ne 0 ]; then
+ # We should call the global legacy custom completion function, if it is defined
+ if declare -F __%[1]s_custom_func >/dev/null; then
+ # Use command name qualified legacy custom func
+ __%[1]s_debug "About to call: __%[1]s_custom_func"
+ __%[1]s_custom_func
+ elif declare -F __custom_func >/dev/null; then
+ # Otherwise fall back to unqualified legacy custom func for compatibility
+ __%[1]s_debug "About to call: __custom_func"
+ __custom_func
+ fi
+ fi
else
+ local tab
+ tab=$(printf '\t')
+ local longest=0
+ # Look for the longest completion so that we can format things nicely
while IFS='' read -r comp; do
- COMPREPLY+=("$comp")
- done < <(compgen -W "${out[*]}" -- "$cur")
- fi
-}
-
-__%[1]s_handle_reply()
-{
- __%[1]s_debug "${FUNCNAME[0]}"
- local comp
- case $cur in
- -*)
- if [[ $(type -t compopt) = "builtin" ]]; then
- compopt -o nospace
- fi
- local allflags
- if [ ${#must_have_one_flag[@]} -ne 0 ]; then
- allflags=("${must_have_one_flag[@]}")
- else
- allflags=("${flags[*]} ${two_word_flags[*]}")
- fi
- while IFS='' read -r comp; do
- COMPREPLY+=("$comp")
- done < <(compgen -W "${allflags[*]}" -- "$cur")
- if [[ $(type -t compopt) = "builtin" ]]; then
- [[ "${COMPREPLY[0]}" == *= ]] || compopt +o nospace
+ comp=${comp%%%%$tab*}
+ if ((${#comp}>longest)); then
+ longest=${#comp}
fi
+ done < <(printf "%%s\n" "${out[@]}")
- # complete after --flag=abc
- if [[ $cur == *=* ]]; then
- if [[ $(type -t compopt) = "builtin" ]]; then
- compopt +o nospace
- fi
-
- local index flag
- flag="${cur%%=*}"
- __%[1]s_index_of_word "${flag}" "${flags_with_completion[@]}"
- COMPREPLY=()
- if [[ ${index} -ge 0 ]]; then
- PREFIX=""
- cur="${cur#*=}"
- ${flags_completion[${index}]}
- if [ -n "${ZSH_VERSION}" ]; then
- # zsh completion needs --flag= prefix
- eval "COMPREPLY=( \"\${COMPREPLY[@]/#/${flag}=}\" )"
- fi
- fi
+ local completions=()
+ while IFS='' read -r comp; do
+ if [ -z "$comp" ]; then
+ continue
fi
- return 0;
- ;;
- esac
-
- # check if we are handling a flag with special work handling
- local index
- __%[1]s_index_of_word "${prev}" "${flags_with_completion[@]}"
- if [[ ${index} -ge 0 ]]; then
- ${flags_completion[${index}]}
- return
- fi
- # we are parsing a flag and don't have a special handler, no completion
- if [[ ${cur} != "${words[cword]}" ]]; then
- return
- fi
+ __%[1]s_debug "Original comp: $comp"
+ comp="$(__%[1]s_format_comp_descriptions "$comp" "$longest")"
+ __%[1]s_debug "Final comp: $comp"
+ completions+=("$comp")
+ done < <(printf "%%s\n" "${out[@]}")
- local completions
- completions=("${commands[@]}")
- if [[ ${#must_have_one_noun[@]} -ne 0 ]]; then
- completions+=("${must_have_one_noun[@]}")
- elif [[ -n "${has_completion_function}" ]]; then
- # if a go completion function is provided, defer to that function
- __%[1]s_handle_go_custom_completion
- fi
- if [[ ${#must_have_one_flag[@]} -ne 0 ]]; then
- completions+=("${must_have_one_flag[@]}")
- fi
- while IFS='' read -r comp; do
- COMPREPLY+=("$comp")
- done < <(compgen -W "${completions[*]}" -- "$cur")
-
- if [[ ${#COMPREPLY[@]} -eq 0 && ${#noun_aliases[@]} -gt 0 && ${#must_have_one_noun[@]} -ne 0 ]]; then
while IFS='' read -r comp; do
+ # Although this script should only be used for bash
+ # there may be programs that still convert the bash
+ # script into a zsh one. To continue supporting those
+ # programs, we do this single adaptation for zsh
+ if [ -n "${ZSH_VERSION}" ]; then
+ # zsh completion needs --flag= prefix
+ COMPREPLY+=("$flagPrefix$comp")
+ else
+ COMPREPLY+=("$comp")
+ fi
+ done < <(compgen -W "${completions[*]}" -- "$cur")
+
+ # If there is a single completion left, remove the description text
+ if [ ${#COMPREPLY[*]} -eq 1 ]; then
+ __%[1]s_debug "COMPREPLY[0]: ${COMPREPLY[0]}"
+ comp="${COMPREPLY[0]%%%% *}"
+ __%[1]s_debug "Removed description from single completion, which is now: ${comp}"
+ COMPREPLY=()
COMPREPLY+=("$comp")
- done < <(compgen -W "${noun_aliases[*]}" -- "$cur")
- fi
-
- if [[ ${#COMPREPLY[@]} -eq 0 ]]; then
- if declare -F __%[1]s_custom_func >/dev/null; then
- # try command name qualified custom func
- __%[1]s_custom_func
- else
- # otherwise fall back to unqualified for compatibility
- declare -F __custom_func >/dev/null && __custom_func
- fi
- fi
-
- # available in bash-completion >= 2, not always present on macOS
- if declare -F __ltrim_colon_completions >/dev/null; then
- __ltrim_colon_completions "$cur"
- fi
-
- # If there is only 1 completion and it is a flag with an = it will be completed
- # but we don't want a space after the =
- if [[ "${#COMPREPLY[@]}" -eq "1" ]] && [[ $(type -t compopt) = "builtin" ]] && [[ "${COMPREPLY[0]}" == --*= ]]; then
- compopt -o nospace
- fi
-}
-
-# The arguments should be in the form "ext1|ext2|extn"
-__%[1]s_handle_filename_extension_flag()
-{
- local ext="$1"
- _filedir "@(${ext})"
-}
-
-__%[1]s_handle_subdirs_in_dir_flag()
-{
- local dir="$1"
- pushd "${dir}" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1 || return
-}
-
-__%[1]s_handle_flag()
-{
- __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-
- # if a command required a flag, and we found it, unset must_have_one_flag()
- local flagname=${words[c]}
- local flagvalue
- # if the word contained an =
- if [[ ${words[c]} == *"="* ]]; then
- flagvalue=${flagname#*=} # take in as flagvalue after the =
- flagname=${flagname%%=*} # strip everything after the =
- flagname="${flagname}=" # but put the = back
- fi
- __%[1]s_debug "${FUNCNAME[0]}: looking for ${flagname}"
- if __%[1]s_contains_word "${flagname}" "${must_have_one_flag[@]}"; then
- must_have_one_flag=()
- fi
-
- # if you set a flag which only applies to this command, don't show subcommands
- if __%[1]s_contains_word "${flagname}" "${local_nonpersistent_flags[@]}"; then
- commands=()
- fi
-
- # keep flag value with flagname as flaghash
- # flaghash variable is an associative array which is only supported in bash > 3.
- if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then
- if [ -n "${flagvalue}" ] ; then
- flaghash[${flagname}]=${flagvalue}
- elif [ -n "${words[ $((c+1)) ]}" ] ; then
- flaghash[${flagname}]=${words[ $((c+1)) ]}
- else
- flaghash[${flagname}]="true" # pad "true" for bool flag
- fi
- fi
-
- # skip the argument to a two word flag
- if [[ ${words[c]} != *"="* ]] && __%[1]s_contains_word "${words[c]}" "${two_word_flags[@]}"; then
- __%[1]s_debug "${FUNCNAME[0]}: found a flag ${words[c]}, skip the next argument"
- c=$((c+1))
- # if we are looking for a flags value, don't show commands
- if [[ $c -eq $cword ]]; then
- commands=()
fi
fi
- c=$((c+1))
-
+ __%[1]s_handle_special_char "$cur" :
+ __%[1]s_handle_special_char "$cur" =
}
-__%[1]s_handle_noun()
+__%[1]s_handle_special_char()
{
- __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-
- if __%[1]s_contains_word "${words[c]}" "${must_have_one_noun[@]}"; then
- must_have_one_noun=()
- elif __%[1]s_contains_word "${words[c]}" "${noun_aliases[@]}"; then
- must_have_one_noun=()
+ local comp="$1"
+ local char=$2
+ if [[ "$comp" == *${char}* && "$COMP_WORDBREAKS" == *${char}* ]]; then
+ local word=${comp%%"${comp##*${char}}"}
+ local idx=${#COMPREPLY[*]}
+ while [[ $((--idx)) -ge 0 ]]; do
+ COMPREPLY[$idx]=${COMPREPLY[$idx]#"$word"}
+ done
fi
-
- nouns+=("${words[c]}")
- c=$((c+1))
}
-__%[1]s_handle_command()
+__%[1]s_format_comp_descriptions()
{
- __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-
- local next_command
- if [[ -n ${last_command} ]]; then
- next_command="_${last_command}_${words[c]//:/__}"
- else
- if [[ $c -eq 0 ]]; then
- next_command="_%[1]s_root_command"
+ local tab
+ tab=$(printf '\t')
+ local comp="$1"
+ local longest=$2
+
+ # Properly format the description string which follows a tab character if there is one
+ if [[ "$comp" == *$tab* ]]; then
+ desc=${comp#*$tab}
+ comp=${comp%%%%$tab*}
+
+ # $COLUMNS stores the current shell width.
+ # Remove an extra 4 because we add 2 spaces and 2 parentheses.
+ maxdesclength=$(( COLUMNS - longest - 4 ))
+
+ # Make sure we can fit a description of at least 8 characters
+ # if we are to align the descriptions.
+ if [[ $maxdesclength -gt 8 ]]; then
+ # Add the proper number of spaces to align the descriptions
+ for ((i = ${#comp} ; i < longest ; i++)); do
+ comp+=" "
+ done
else
- next_command="_${words[c]//:/__}"
+ # Don't pad the descriptions so we can fit more text after the completion
+ maxdesclength=$(( COLUMNS - ${#comp} - 4 ))
fi
- fi
- c=$((c+1))
- __%[1]s_debug "${FUNCNAME[0]}: looking for ${next_command}"
- declare -F "$next_command" >/dev/null && $next_command
-}
-__%[1]s_handle_word()
-{
- if [[ $c -ge $cword ]]; then
- __%[1]s_handle_reply
- return
- fi
- __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
- if [[ "${words[c]}" == -* ]]; then
- __%[1]s_handle_flag
- elif __%[1]s_contains_word "${words[c]}" "${commands[@]}"; then
- __%[1]s_handle_command
- elif [[ $c -eq 0 ]]; then
- __%[1]s_handle_command
- elif __%[1]s_contains_word "${words[c]}" "${command_aliases[@]}"; then
- # aliashash variable is an associative array which is only supported in bash > 3.
- if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then
- words[c]=${aliashash[${words[c]}]}
- __%[1]s_handle_command
- else
- __%[1]s_handle_noun
+ # If there is enough space for any description text,
+ # truncate the descriptions that are too long for the shell width
+ if [ $maxdesclength -gt 0 ]; then
+ if [ ${#desc} -gt $maxdesclength ]; then
+ desc=${desc:0:$(( maxdesclength - 1 ))}
+ desc+="…"
+ fi
+ comp+=" ($desc)"
fi
- else
- __%[1]s_handle_noun
fi
- __%[1]s_handle_word
-}
-`, name, ShellCompNoDescRequestCmd,
- ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
- ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
+ # Must use printf to escape all special characters
+ printf "%%q" "${comp}"
}
-func writePostscript(buf *bytes.Buffer, name string) {
- name = strings.Replace(name, ":", "__", -1)
- buf.WriteString(fmt.Sprintf("__start_%s()\n", name))
- buf.WriteString(fmt.Sprintf(`{
+__start_%[1]s()
+{
local cur prev words cword
- declare -A flaghash 2>/dev/null || :
- declare -A aliashash 2>/dev/null || :
- if declare -F _init_completion >/dev/null 2>&1; then
- _init_completion -s || return
- else
- __%[1]s_init_completion -n "=" || return
- fi
- local c=0
- local flags=()
- local two_word_flags=()
- local local_nonpersistent_flags=()
- local flags_with_completion=()
- local flags_completion=()
- local commands=("%[1]s")
- local must_have_one_flag=()
- local must_have_one_noun=()
- local has_completion_function
- local last_command
- local nouns=()
-
- __%[1]s_handle_word
+ COMPREPLY=()
+ _get_comp_words_by_ref -n "=:" cur prev words cword
+
+ __%[1]s_perform_completion
}
-`, name))
- buf.WriteString(fmt.Sprintf(`if [[ $(type -t compopt) = "builtin" ]]; then
- complete -o default -F __start_%s %s
+if [[ $(type -t compopt) = "builtin" ]]; then
+ complete -o default -F __start_%[1]s %[1]s
else
- complete -o default -o nospace -F __start_%s %s
+ complete -o default -o nospace -F __start_%[1]s %[1]s
fi
-`, name, name, name, name))
- buf.WriteString("# ex: ts=4 sw=4 et filetype=sh\n")
-}
-
-func writeCommands(buf *bytes.Buffer, cmd *Command) {
- buf.WriteString(" commands=()\n")
- for _, c := range cmd.Commands() {
- if !c.IsAvailableCommand() && c != cmd.helpCommand {
- continue
- }
- buf.WriteString(fmt.Sprintf(" commands+=(%q)\n", c.Name()))
- writeCmdAliases(buf, c)
- }
- buf.WriteString("\n")
-}
-
-func writeFlagHandler(buf *bytes.Buffer, name string, annotations map[string][]string, cmd *Command) {
- for key, value := range annotations {
- switch key {
- case BashCompFilenameExt:
- buf.WriteString(fmt.Sprintf(" flags_with_completion+=(%q)\n", name))
-
- var ext string
- if len(value) > 0 {
- ext = fmt.Sprintf("__%s_handle_filename_extension_flag ", cmd.Root().Name()) + strings.Join(value, "|")
- } else {
- ext = "_filedir"
- }
- buf.WriteString(fmt.Sprintf(" flags_completion+=(%q)\n", ext))
- case BashCompCustom:
- buf.WriteString(fmt.Sprintf(" flags_with_completion+=(%q)\n", name))
- if len(value) > 0 {
- handlers := strings.Join(value, "; ")
- buf.WriteString(fmt.Sprintf(" flags_completion+=(%q)\n", handlers))
- } else {
- buf.WriteString(" flags_completion+=(:)\n")
- }
- case BashCompSubdirsInDir:
- buf.WriteString(fmt.Sprintf(" flags_with_completion+=(%q)\n", name))
-
- var ext string
- if len(value) == 1 {
- ext = fmt.Sprintf("__%s_handle_subdirs_in_dir_flag ", cmd.Root().Name()) + value[0]
- } else {
- ext = "_filedir -d"
- }
- buf.WriteString(fmt.Sprintf(" flags_completion+=(%q)\n", ext))
- }
- }
-}
-
-func writeShortFlag(buf *bytes.Buffer, flag *pflag.Flag, cmd *Command) {
- name := flag.Shorthand
- format := " "
- if len(flag.NoOptDefVal) == 0 {
- format += "two_word_"
- }
- format += "flags+=(\"-%s\")\n"
- buf.WriteString(fmt.Sprintf(format, name))
- writeFlagHandler(buf, "-"+name, flag.Annotations, cmd)
-}
-
-func writeFlag(buf *bytes.Buffer, flag *pflag.Flag, cmd *Command) {
- name := flag.Name
- format := " flags+=(\"--%s"
- if len(flag.NoOptDefVal) == 0 {
- format += "="
- }
- format += "\")\n"
- buf.WriteString(fmt.Sprintf(format, name))
- if len(flag.NoOptDefVal) == 0 {
- format = " two_word_flags+=(\"--%s\")\n"
- buf.WriteString(fmt.Sprintf(format, name))
- }
- writeFlagHandler(buf, "--"+name, flag.Annotations, cmd)
-}
-
-func writeLocalNonPersistentFlag(buf *bytes.Buffer, flag *pflag.Flag) {
- name := flag.Name
- format := " local_nonpersistent_flags+=(\"--%[1]s\")\n"
- if len(flag.NoOptDefVal) == 0 {
- format += " local_nonpersistent_flags+=(\"--%[1]s=\")\n"
- }
- buf.WriteString(fmt.Sprintf(format, name))
- if len(flag.Shorthand) > 0 {
- buf.WriteString(fmt.Sprintf(" local_nonpersistent_flags+=(\"-%s\")\n", flag.Shorthand))
- }
-}
-
-// Setup annotations for go completions for registered flags
-func prepareCustomAnnotationsForFlags(cmd *Command) {
- for flag := range flagCompletionFunctions {
- // Make sure the completion script calls the __*_go_custom_completion function for
- // every registered flag. We need to do this here (and not when the flag was registered
- // for completion) so that we can know the root command name for the prefix
- // of __<prefix>_go_custom_completion
- if flag.Annotations == nil {
- flag.Annotations = map[string][]string{}
- }
- flag.Annotations[BashCompCustom] = []string{fmt.Sprintf("__%[1]s_handle_go_custom_completion", cmd.Root().Name())}
- }
-}
-
-func writeFlags(buf *bytes.Buffer, cmd *Command) {
- prepareCustomAnnotationsForFlags(cmd)
- buf.WriteString(` flags=()
- two_word_flags=()
- local_nonpersistent_flags=()
- flags_with_completion=()
- flags_completion=()
-
-`)
- localNonPersistentFlags := cmd.LocalNonPersistentFlags()
- cmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) {
- if nonCompletableFlag(flag) {
- return
- }
- writeFlag(buf, flag, cmd)
- if len(flag.Shorthand) > 0 {
- writeShortFlag(buf, flag, cmd)
- }
- // localNonPersistentFlags are used to stop the completion of subcommands when one is set
- // if TraverseChildren is true we should allow to complete subcommands
- if localNonPersistentFlags.Lookup(flag.Name) != nil && !cmd.Root().TraverseChildren {
- writeLocalNonPersistentFlag(buf, flag)
- }
- })
- cmd.InheritedFlags().VisitAll(func(flag *pflag.Flag) {
- if nonCompletableFlag(flag) {
- return
- }
- writeFlag(buf, flag, cmd)
- if len(flag.Shorthand) > 0 {
- writeShortFlag(buf, flag, cmd)
- }
- })
-
- buf.WriteString("\n")
-}
-
-func writeRequiredFlag(buf *bytes.Buffer, cmd *Command) {
- buf.WriteString(" must_have_one_flag=()\n")
- flags := cmd.NonInheritedFlags()
- flags.VisitAll(func(flag *pflag.Flag) {
- if nonCompletableFlag(flag) {
- return
- }
- for key := range flag.Annotations {
- switch key {
- case BashCompOneRequiredFlag:
- format := " must_have_one_flag+=(\"--%s"
- if flag.Value.Type() != "bool" {
- format += "="
- }
- format += "\")\n"
- buf.WriteString(fmt.Sprintf(format, flag.Name))
-
- if len(flag.Shorthand) > 0 {
- buf.WriteString(fmt.Sprintf(" must_have_one_flag+=(\"-%s\")\n", flag.Shorthand))
- }
- }
- }
- })
-}
-
-func writeRequiredNouns(buf *bytes.Buffer, cmd *Command) {
- buf.WriteString(" must_have_one_noun=()\n")
- sort.Sort(sort.StringSlice(cmd.ValidArgs))
- for _, value := range cmd.ValidArgs {
- // Remove any description that may be included following a tab character.
- // Descriptions are not supported by bash completion.
- value = strings.Split(value, "\t")[0]
- buf.WriteString(fmt.Sprintf(" must_have_one_noun+=(%q)\n", value))
- }
- if cmd.ValidArgsFunction != nil {
- buf.WriteString(" has_completion_function=1\n")
- }
-}
-
-func writeCmdAliases(buf *bytes.Buffer, cmd *Command) {
- if len(cmd.Aliases) == 0 {
- return
- }
-
- sort.Sort(sort.StringSlice(cmd.Aliases))
-
- buf.WriteString(fmt.Sprint(` if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then`, "\n"))
- for _, value := range cmd.Aliases {
- buf.WriteString(fmt.Sprintf(" command_aliases+=(%q)\n", value))
- buf.WriteString(fmt.Sprintf(" aliashash[%q]=%q\n", value, cmd.Name()))
- }
- buf.WriteString(` fi`)
- buf.WriteString("\n")
-}
-func writeArgAliases(buf *bytes.Buffer, cmd *Command) {
- buf.WriteString(" noun_aliases=()\n")
- sort.Sort(sort.StringSlice(cmd.ArgAliases))
- for _, value := range cmd.ArgAliases {
- buf.WriteString(fmt.Sprintf(" noun_aliases+=(%q)\n", value))
- }
-}
-
-func gen(buf *bytes.Buffer, cmd *Command) {
- for _, c := range cmd.Commands() {
- if !c.IsAvailableCommand() && c != cmd.helpCommand {
- continue
- }
- gen(buf, c)
- }
- commandName := cmd.CommandPath()
- commandName = strings.Replace(commandName, " ", "_", -1)
- commandName = strings.Replace(commandName, ":", "__", -1)
-
- if cmd.Root() == cmd {
- buf.WriteString(fmt.Sprintf("_%s_root_command()\n{\n", commandName))
- } else {
- buf.WriteString(fmt.Sprintf("_%s()\n{\n", commandName))
- }
-
- buf.WriteString(fmt.Sprintf(" last_command=%q\n", commandName))
- buf.WriteString("\n")
- buf.WriteString(" command_aliases=()\n")
- buf.WriteString("\n")
-
- writeCommands(buf, cmd)
- writeFlags(buf, cmd)
- writeRequiredFlag(buf, cmd)
- writeRequiredNouns(buf, cmd)
- writeArgAliases(buf, cmd)
- buf.WriteString("}\n\n")
-}
-
-// GenBashCompletion generates bash completion file and writes to the passed writer.
-func (c *Command) GenBashCompletion(w io.Writer) error {
- buf := new(bytes.Buffer)
- writePreamble(buf, c.Name())
- if len(c.BashCompletionFunction) > 0 {
- buf.WriteString(c.BashCompletionFunction + "\n")
- }
- gen(buf, c)
- writePostscript(buf, c.Name())
-
- _, err := buf.WriteTo(w)
- return err
-}
-
-func nonCompletableFlag(flag *pflag.Flag) bool {
- return flag.Hidden || len(flag.Deprecated) > 0
-}
-
-// GenBashCompletionFile generates bash completion file.
-func (c *Command) GenBashCompletionFile(filename string) error {
- outFile, err := os.Create(filename)
- if err != nil {
- return err
- }
- defer outFile.Close()
-
- return c.GenBashCompletion(outFile)
+# ex: ts=4 sw=4 et filetype=sh
+`, name, compCmd,
+ ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
+ ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs,
+ shellCompDirectiveLegacyCustomComp, shellCompDirectiveLegacyCustomArgsComp))
}
diff --git a/vendor/github.com/spf13/cobra/custom_completions.go b/vendor/github.com/spf13/cobra/custom_completions.go
index f9e88e081..e2c68ae1e 100644
--- a/vendor/github.com/spf13/cobra/custom_completions.go
+++ b/vendor/github.com/spf13/cobra/custom_completions.go
@@ -51,6 +51,11 @@ const (
// obtain the same behavior but only for flags.
ShellCompDirectiveFilterDirs
+ // For internal use only.
+ // Used to maintain backwards-compatibility with the legacy bash custom completions.
+ shellCompDirectiveLegacyCustomComp
+ shellCompDirectiveLegacyCustomArgsComp
+
// ===========================================================================
// All directives using iota should be above this one.
@@ -94,6 +99,12 @@ func (d ShellCompDirective) string() string {
if d&ShellCompDirectiveFilterDirs != 0 {
directives = append(directives, "ShellCompDirectiveFilterDirs")
}
+ if d&shellCompDirectiveLegacyCustomComp != 0 {
+ directives = append(directives, "shellCompDirectiveLegacyCustomComp")
+ }
+ if d&shellCompDirectiveLegacyCustomArgsComp != 0 {
+ directives = append(directives, "shellCompDirectiveLegacyCustomArgsComp")
+ }
if len(directives) == 0 {
directives = append(directives, "ShellCompDirectiveDefault")
}
@@ -149,10 +160,6 @@ func (c *Command) initCompleteCmd(args []string) {
fmt.Fprintln(finalCmd.OutOrStdout(), comp)
}
- if directive >= shellCompDirectiveMaxValue {
- directive = ShellCompDirectiveDefault
- }
-
// As the last printout, print the completion directive for the completion script to parse.
// The directive integer must be that last character following a single colon (:).
// The completion script expects :<directive>
@@ -362,6 +369,10 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
var comps []string
comps, directive = completionFn(finalCmd, finalArgs, toComplete)
completions = append(completions, comps...)
+ } else {
+ // If there is no Go custom completion defined, check for legacy bash
+ // custom completion to preserve backwards-compatibility
+ completions, directive = checkLegacyCustomCompletion(finalCmd, finalArgs, flag, completions, directive)
}
return finalCmd, completions, directive, nil
@@ -442,7 +453,16 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
if len(lastArg) > 0 && lastArg[0] == '-' {
if index := strings.Index(lastArg, "="); index >= 0 {
// Flag with an =
- flagName = strings.TrimLeft(lastArg[:index], "-")
+ if strings.HasPrefix(lastArg[:index], "--") {
+ // Flag has full name
+ flagName = lastArg[2:index]
+ } else {
+ // Flag is shorthand
+ // We have to get the last shorthand flag name
+ // e.g. `-asd` => d to provide the correct completion
+ // https://github.com/spf13/cobra/issues/1257
+ flagName = lastArg[index-1 : index]
+ }
lastArg = lastArg[index+1:]
flagWithEqual = true
} else {
@@ -459,8 +479,16 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
// If the flag contains an = it means it has already been fully processed,
// so we don't need to deal with it here.
if index := strings.Index(prevArg, "="); index < 0 {
- flagName = strings.TrimLeft(prevArg, "-")
-
+ if strings.HasPrefix(prevArg, "--") {
+ // Flag has full name
+ flagName = prevArg[2:]
+ } else {
+ // Flag is shorthand
+ // We have to get the last shorthand flag name
+ // e.g. `-asd` => d to provide the correct completion
+ // https://github.com/spf13/cobra/issues/1257
+ flagName = prevArg[len(prevArg)-1:]
+ }
// Remove the uncompleted flag or else there could be an error created
// for an invalid value for that flag
trimmedArgs = args[:len(args)-1]
@@ -513,6 +541,65 @@ func findFlag(cmd *Command, name string) *pflag.Flag {
return cmd.Flag(name)
}
+func nonCompletableFlag(flag *pflag.Flag) bool {
+ return flag.Hidden || len(flag.Deprecated) > 0
+}
+
+// This function checks if legacy bash custom completion should be performed and if so,
+// it provides the shell script with the necessary information.
+func checkLegacyCustomCompletion(cmd *Command, args []string, flag *pflag.Flag, completions []string, directive ShellCompDirective) ([]string, ShellCompDirective) {
+ // Check if any legacy custom completion is defined for the program
+ if len(cmd.Root().BashCompletionFunction) > 0 {
+ // Legacy custom completion is only triggered if no other completions were found.
+ if len(completions) == 0 {
+ if flag != nil {
+ // For legacy custom flag completion, we must let the script know the bash
+ // functions it should call based on the content of the annotation BashCompCustom.
+ if values, present := flag.Annotations[BashCompCustom]; present {
+ if len(values) > 0 {
+ handlers := strings.Join(values, "; ")
+ // We send the commands to set the shell variables that are needed
+ // for legacy custom completions followed by the functions to call
+ // to perform the actual flag completion
+ completions = append(prepareLegacyCustomCompletionVars(cmd, args), handlers)
+ directive = directive | shellCompDirectiveLegacyCustomComp
+ }
+ }
+ } else {
+ // Check if the legacy custom_func is defined.
+ // This check will work for both "__custom_func" and "__<program>_custom_func".
+ // This could happen if the program defined some functions for legacy flag completion
+ // but not the legacy custom_func.
+ if strings.Contains(cmd.Root().BashCompletionFunction, "_custom_func") {
+ // For legacy args completion, the script already knows what to call
+ // so we only need to tell it the commands to set the shell variables needed
+ completions = prepareLegacyCustomCompletionVars(cmd, args)
+ directive = directive | shellCompDirectiveLegacyCustomComp | shellCompDirectiveLegacyCustomArgsComp
+ }
+ }
+ }
+ }
+ return completions, directive
+}
+
+// The original bash completion script had some shell variables that are used by legacy bash
+// custom completions. Let's set those variables to allow those legacy custom completions
+// to continue working.
+func prepareLegacyCustomCompletionVars(cmd *Command, args []string) []string {
+ var compVarCmds []string
+
+ // "last_command" variable
+ commandName := cmd.CommandPath()
+ commandName = strings.Replace(commandName, " ", "_", -1)
+ commandName = strings.Replace(commandName, ":", "__", -1)
+ compVarCmds = append(compVarCmds, fmt.Sprintf("last_command=%s", commandName))
+
+ // "nouns" array variable
+ compVarCmds = append(compVarCmds, fmt.Sprintf("nouns=(%s)", strings.Join(args, " ")))
+
+ return compVarCmds
+}
+
// CompDebug prints the specified string to the same file as where the
// completion script prints its logs.
// Note that completion printouts should never be on stdout as they would
diff --git a/vendor/github.com/spf13/cobra/fish_completions.go b/vendor/github.com/spf13/cobra/fish_completions.go
index eaae9bca8..aeaef0087 100644
--- a/vendor/github.com/spf13/cobra/fish_completions.go
+++ b/vendor/github.com/spf13/cobra/fish_completions.go
@@ -28,9 +28,9 @@ function __%[1]s_debug
end
function __%[1]s_perform_completion
- __%[1]s_debug "Starting __%[1]s_perform_completion with: $argv"
+ __%[1]s_debug "Starting __%[1]s_perform_completion"
- set args (string split -- " " "$argv")
+ set args (string split -- " " (commandline -c))
set lastArg "$args[-1]"
__%[1]s_debug "args: $args"
@@ -71,31 +71,22 @@ function __%[1]s_perform_completion
printf "%%s\n" "$directiveLine"
end
-# This function does three things:
-# 1- Obtain the completions and store them in the global __%[1]s_comp_results
-# 2- Set the __%[1]s_comp_do_file_comp flag if file completion should be performed
-# and unset it otherwise
-# 3- Return true if the completion results are not empty
+# This function does two things:
+# - Obtain the completions and store them in the global __%[1]s_comp_results
+# - Return false if file completion should be performed
function __%[1]s_prepare_completions
+ __%[1]s_debug ""
+ __%[1]s_debug "========= starting completion logic =========="
+
# Start fresh
- set --erase __%[1]s_comp_do_file_comp
set --erase __%[1]s_comp_results
- # Check if the command-line is already provided. This is useful for testing.
- if not set --query __%[1]s_comp_commandLine
- # Use the -c flag to allow for completion in the middle of the line
- set __%[1]s_comp_commandLine (commandline -c)
- end
- __%[1]s_debug "commandLine is: $__%[1]s_comp_commandLine"
-
- set results (__%[1]s_perform_completion "$__%[1]s_comp_commandLine")
- set --erase __%[1]s_comp_commandLine
+ set results (__%[1]s_perform_completion)
__%[1]s_debug "Completion results: $results"
if test -z "$results"
__%[1]s_debug "No completion, probably due to a failure"
# Might as well do file completion, in case it helps
- set --global __%[1]s_comp_do_file_comp 1
return 1
end
@@ -110,6 +101,8 @@ function __%[1]s_prepare_completions
set shellCompDirectiveNoFileComp %[6]d
set shellCompDirectiveFilterFileExt %[7]d
set shellCompDirectiveFilterDirs %[8]d
+ set shellCompDirectiveLegacyCustomComp %[9]d
+ set shellCompDirectiveLegacyCustomArgsComp %[10]d
if test -z "$directive"
set directive 0
@@ -119,6 +112,14 @@ function __%[1]s_prepare_completions
if test $compErr -eq 1
__%[1]s_debug "Received error directive: aborting."
# Might as well do file completion, in case it helps
+ return 1
+ end
+
+ set legacyCustom (math (math --scale 0 $directive / $shellCompDirectiveLegacyCustomComp) %% 2)
+ set legacyCustomArgs (math (math --scale 0 $directive / $shellCompDirectiveLegacyCustomArgsComp) %% 2)
+ if test $legacyCustom -eq 1; or test $legacyCustomArgs -eq 1
+ __%[1]s_debug "Legacy bash custom completion not applicable to fish"
+ # Do full file completion instead
set --global __%[1]s_comp_do_file_comp 1
return 1
end
@@ -128,7 +129,6 @@ function __%[1]s_prepare_completions
if test $filefilter -eq 1; or test $dirfilter -eq 1
__%[1]s_debug "File extension filtering or directory filtering not supported"
# Do full file completion instead
- set --global __%[1]s_comp_do_file_comp 1
return 1
end
@@ -137,27 +137,51 @@ function __%[1]s_prepare_completions
__%[1]s_debug "nospace: $nospace, nofiles: $nofiles"
- # Important not to quote the variable for count to work
- set numComps (count $__%[1]s_comp_results)
- __%[1]s_debug "numComps: $numComps"
-
- if test $numComps -eq 1; and test $nospace -ne 0
- # To support the "nospace" directive we trick the shell
- # by outputting an extra, longer completion.
- __%[1]s_debug "Adding second completion to perform nospace directive"
- set --append __%[1]s_comp_results $__%[1]s_comp_results[1].
+ # If we want to prevent a space, or if file completion is NOT disabled,
+ # we need to count the number of valid completions.
+ # To do so, we will filter on prefix as the completions we have received
+ # may not already be filtered so as to allow fish to match on different
+ # criteria than prefix.
+ if test $nospace -ne 0; or test $nofiles -eq 0
+ set prefix (commandline -t)
+ __%[1]s_debug "prefix: $prefix"
+
+ set completions
+ for comp in $__%[1]s_comp_results
+ if test (string match -e -r "^$prefix" "$comp")
+ set -a completions $comp
+ end
+ end
+ set --global __%[1]s_comp_results $completions
+ __%[1]s_debug "Filtered completions are: $__%[1]s_comp_results"
+
+ # Important not to quote the variable for count to work
+ set numComps (count $__%[1]s_comp_results)
+ __%[1]s_debug "numComps: $numComps"
+
+ if test $numComps -eq 1; and test $nospace -ne 0
+ # To support the "nospace" directive we trick the shell
+ # by outputting an extra, longer completion.
+ # We must first split on \t to get rid of the descriptions because
+ # the extra character we add to the fake second completion must be
+ # before the description. We don't need descriptions anyway since
+ # there is only a single real completion which the shell will expand
+ # immediately.
+ __%[1]s_debug "Adding second completion to perform nospace directive"
+ set split (string split --max 1 \t $__%[1]s_comp_results[1])
+ set --global __%[1]s_comp_results $split[1] $split[1].
+ __%[1]s_debug "Completions are now: $__%[1]s_comp_results"
+ end
+
+ if test $numComps -eq 0; and test $nofiles -eq 0
+ # To be consistent with bash and zsh, we only trigger file
+ # completion when there are no other completions
+ __%[1]s_debug "Requesting file completion"
+ return 1
+ end
end
- if test $numComps -eq 0; and test $nofiles -eq 0
- __%[1]s_debug "Requesting file completion"
- set --global __%[1]s_comp_do_file_comp 1
- end
-
- # If we don't want file completion, we must return true even if there
- # are no completions found. This is because fish will perform the last
- # completion command, even if its condition is false, if no other
- # completion command was triggered
- return (not set --query __%[1]s_comp_do_file_comp)
+ return 0
end
# Since Fish completions are only loaded once the user triggers them, we trigger them ourselves
@@ -170,21 +194,14 @@ complete --do-complete "%[2]s " > /dev/null 2>&1
# Remove any pre-existing completions for the program since we will be handling all of them.
complete -c %[2]s -e
-# The order in which the below two lines are defined is very important so that __%[1]s_prepare_completions
-# is called first. It is __%[1]s_prepare_completions that sets up the __%[1]s_comp_do_file_comp variable.
-#
-# This completion will be run second as complete commands are added FILO.
-# It triggers file completion choices when __%[1]s_comp_do_file_comp is set.
-complete -c %[2]s -n 'set --query __%[1]s_comp_do_file_comp'
-
-# This completion will be run first as complete commands are added FILO.
-# The call to __%[1]s_prepare_completions will setup both __%[1]s_comp_results and __%[1]s_comp_do_file_comp.
-# It provides the program's completion choices.
+# The call to __%[1]s_prepare_completions will setup __%[1]s_comp_results
+# which provides the program's completion choices.
complete -c %[2]s -n '__%[1]s_prepare_completions' -f -a '$__%[1]s_comp_results'
`, nameForVar, name, compCmd,
ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
- ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
+ ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs,
+ shellCompDirectiveLegacyCustomComp, shellCompDirectiveLegacyCustomArgsComp))
}
// GenFishCompletion generates fish completion file and writes to the passed writer.
diff --git a/vendor/github.com/spf13/cobra/zsh_completions.go b/vendor/github.com/spf13/cobra/zsh_completions.go
index 92a70394a..ef290e2eb 100644
--- a/vendor/github.com/spf13/cobra/zsh_completions.go
+++ b/vendor/github.com/spf13/cobra/zsh_completions.go
@@ -94,8 +94,10 @@ _%[1]s()
local shellCompDirectiveNoFileComp=%[5]d
local shellCompDirectiveFilterFileExt=%[6]d
local shellCompDirectiveFilterDirs=%[7]d
+ local shellCompDirectiveLegacyCustomComp=%[8]d
+ local shellCompDirectiveLegacyCustomArgsComp=%[9]d
- local lastParam lastChar flagPrefix requestComp out directive compCount comp lastComp
+ local lastParam lastChar flagPrefix requestComp out directive comp lastComp noSpace
local -a completions
__%[1]s_debug "\n========= starting completion logic =========="
@@ -163,7 +165,6 @@ _%[1]s()
return
fi
- compCount=0
while IFS='\n' read -r comp; do
if [ -n "$comp" ]; then
# If requested, completions are returned with a description.
@@ -175,13 +176,17 @@ _%[1]s()
local tab=$(printf '\t')
comp=${comp//$tab/:}
- ((compCount++))
__%[1]s_debug "Adding completion: ${comp}"
completions+=${comp}
lastComp=$comp
fi
done < <(printf "%%s\n" "${out[@]}")
+ if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then
+ __%[1]s_debug "Activating nospace."
+ noSpace="-S ''"
+ fi
+
if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then
# File extension filtering
local filteringCmd
@@ -208,25 +213,40 @@ _%[1]s()
__%[1]s_debug "Listing directories in ."
fi
+ local result
_arguments '*:dirname:_files -/'" ${flagPrefix}"
+ result=$?
if [ -n "$subdir" ]; then
popd >/dev/null 2>&1
fi
- elif [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ] && [ ${compCount} -eq 1 ]; then
- __%[1]s_debug "Activating nospace."
- # We can use compadd here as there is no description when
- # there is only one completion.
- compadd -S '' "${lastComp}"
- elif [ ${compCount} -eq 0 ]; then
- if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
- __%[1]s_debug "deactivating file completion"
+ return $result
+ else
+ __%[1]s_debug "Calling _describe"
+ if eval _describe "completions" completions $flagPrefix $noSpace; then
+ __%[1]s_debug "_describe found some completions"
+
+ # Return the success of having called _describe
+ return 0
else
- # Perform file completion
- __%[1]s_debug "activating file completion"
- _arguments '*:filename:_files'" ${flagPrefix}"
+ __%[1]s_debug "_describe did not find completions."
+ __%[1]s_debug "Checking if we should do file completion."
+ if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
+ __%[1]s_debug "deactivating file completion"
+
+ # We must return an error code here to let zsh know that there were no
+ # completions found by _describe; this is what will trigger other
+ # matching algorithms to attempt to find completions.
+ # For example zsh can match letters in the middle of words.
+ return 1
+ else
+ # Perform file completion
+ __%[1]s_debug "Activating file completion"
+
+ # We must return the result of this command, so it must be the
+ # last command, or else we must store its result to return it.
+ _arguments '*:filename:_files'" ${flagPrefix}"
+ fi
fi
- else
- _describe "completions" completions $(echo $flagPrefix)
fi
}
@@ -236,5 +256,6 @@ if [ "$funcstack[1]" = "_%[1]s" ]; then
fi
`, name, compCmd,
ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
- ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
+ ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs,
+ shellCompDirectiveLegacyCustomComp, shellCompDirectiveLegacyCustomArgsComp))
}