diff options
Diffstat (limited to 'misc/completion')
| -rw-r--r-- | misc/completion/bash/git-bug | 324 | ||||
| -rw-r--r-- | misc/completion/fish/git-bug | 176 | ||||
| -rw-r--r-- | misc/completion/gen_completion.go | 127 | ||||
| -rw-r--r-- | misc/completion/powershell/git-bug | 225 | ||||
| -rw-r--r-- | misc/completion/zsh/git-bug | 177 |
5 files changed, 1029 insertions, 0 deletions
diff --git a/misc/completion/bash/git-bug b/misc/completion/bash/git-bug new file mode 100644 index 00000000..92b90d3c --- /dev/null +++ b/misc/completion/bash/git-bug @@ -0,0 +1,324 @@ +# bash completion V2 for git-bug -*- shell-script -*- + +__git-bug_debug() +{ + if [[ -n ${BASH_COMP_DEBUG_FILE:-} ]]; then + echo "$*" >> "${BASH_COMP_DEBUG_FILE}" + fi +} + +# Macs have bash3 for which the bash-completion package doesn't include +# _init_completion. This is a minimal version of that function. +__git-bug_init_completion() +{ + COMPREPLY=() + _get_comp_words_by_ref "$@" cur prev words cword +} + +# This function calls the git-bug program to obtain the completion +# results and the directive. It fills the 'out' and 'directive' vars. +__git-bug_get_completion_results() { + local requestComp lastParam lastChar args + + # Prepare the command to request completions for the program. + # Calling ${words[0]} instead of directly git-bug allows to handle aliases + args=("${words[@]:1}") + requestComp="${words[0]} __complete ${args[*]}" + + lastParam=${words[$((${#words[@]}-1))]} + lastChar=${lastParam:$((${#lastParam}-1)):1} + __git-bug_debug "lastParam ${lastParam}, lastChar ${lastChar}" + + if [ -z "${cur}" ] && [ "${lastChar}" != "=" ]; then + # If the last parameter is complete (there is a space following it) + # We add an extra empty parameter so we can indicate this to the go method. + __git-bug_debug "Adding extra empty parameter" + requestComp="${requestComp} ''" + fi + + # When completing a flag with an = (e.g., git-bug -n=<TAB>) + # bash focuses on the part after the =, so we need to remove + # the flag part from $cur + if [[ "${cur}" == -*=* ]]; then + cur="${cur#*=}" + fi + + __git-bug_debug "Calling ${requestComp}" + # Use eval to handle any environment variables and such + out=$(eval "${requestComp}" 2>/dev/null) + + # Extract the directive integer at the very end of the output following a colon (:) + directive=${out##*:} + # Remove the directive + out=${out%:*} + if [ "${directive}" = "${out}" ]; then + # There is not directive specified + directive=0 + fi + __git-bug_debug "The completion directive is: ${directive}" + __git-bug_debug "The completions are: ${out[*]}" +} + +__git-bug_process_completion_results() { + local shellCompDirectiveError=1 + local shellCompDirectiveNoSpace=2 + local shellCompDirectiveNoFileComp=4 + local shellCompDirectiveFilterFileExt=8 + local shellCompDirectiveFilterDirs=16 + + if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then + # Error code. No completion. + __git-bug_debug "Received error from custom completion go code" + return + else + if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then + if [[ $(type -t compopt) = "builtin" ]]; then + __git-bug_debug "Activating no space" + compopt -o nospace + else + __git-bug_debug "No space directive not supported in this version of bash" + fi + fi + if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then + if [[ $(type -t compopt) = "builtin" ]]; then + __git-bug_debug "Activating no file completion" + compopt +o default + else + __git-bug_debug "No file completion directive not supported in this version of bash" + fi + fi + fi + + 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 ${out[*]}; do + fullFilter+="$filter|" + done + + filteringCmd="_filedir $fullFilter" + __git-bug_debug "File filtering command: $filteringCmd" + $filteringCmd + elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then + # File completion for directories only + + # Use printf to strip any trailing newline + local subdir + subdir=$(printf "%s" "${out[0]}") + if [ -n "$subdir" ]; then + __git-bug_debug "Listing directories in $subdir" + pushd "$subdir" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1 || return + else + __git-bug_debug "Listing directories in ." + _filedir -d + fi + else + __git-bug_handle_completion_types + fi + + __git-bug_handle_special_char "$cur" : + __git-bug_handle_special_char "$cur" = +} + +__git-bug_handle_completion_types() { + __git-bug_debug "__git-bug_handle_completion_types: COMP_TYPE is $COMP_TYPE" + + case $COMP_TYPE in + 37|42) + # Type: menu-complete/menu-complete-backward and insert-completions + # If the user requested inserting one completion at a time, or all + # completions at once on the command-line we must remove the descriptions. + # https://github.com/spf13/cobra/issues/1508 + local tab comp + tab=$(printf '\t') + while IFS='' read -r comp; do + # Strip any description + comp=${comp%%$tab*} + # Only consider the completions that match + comp=$(compgen -W "$comp" -- "$cur") + if [ -n "$comp" ]; then + COMPREPLY+=("$comp") + fi + done < <(printf "%s\n" "${out[@]}") + ;; + + *) + # Type: complete (normal completion) + __git-bug_handle_standard_completion_case + ;; + esac +} + +__git-bug_handle_standard_completion_case() { + local tab comp + tab=$(printf '\t') + + local longest=0 + # Look for the longest completion so that we can format things nicely + while IFS='' read -r comp; do + # Strip any description before checking the length + comp=${comp%%$tab*} + # Only consider the completions that match + comp=$(compgen -W "$comp" -- "$cur") + if ((${#comp}>longest)); then + longest=${#comp} + fi + done < <(printf "%s\n" "${out[@]}") + + local completions=() + while IFS='' read -r comp; do + if [ -z "$comp" ]; then + continue + fi + + __git-bug_debug "Original comp: $comp" + comp="$(__git-bug_format_comp_descriptions "$comp" "$longest")" + __git-bug_debug "Final comp: $comp" + completions+=("$comp") + done < <(printf "%s\n" "${out[@]}") + + while IFS='' read -r comp; do + COMPREPLY+=("$comp") + done < <(compgen -W "${completions[*]}" -- "$cur") + + # If there is a single completion left, remove the description text + if [ ${#COMPREPLY[*]} -eq 1 ]; then + __git-bug_debug "COMPREPLY[0]: ${COMPREPLY[0]}" + comp="${COMPREPLY[0]%% *}" + __git-bug_debug "Removed description from single completion, which is now: ${comp}" + COMPREPLY=() + COMPREPLY+=("$comp") + fi +} + +__git-bug_handle_special_char() +{ + 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]#"$word"} + done + fi +} + +__git-bug_format_comp_descriptions() +{ + local tab + tab=$(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 = ${#comp} ; i < longest ; i++)); do + comp+=" " + done + else + # Don't pad the descriptions so we can fit more text after the completion + maxdesclength=$(( COLUMNS - ${#comp} - 4 )) + fi + + # 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 + fi + + # Must use printf to escape all special characters + printf "%q" "${comp}" +} + +__start_git-bug() +{ + local cur prev words cword split + + COMPREPLY=() + + # Call _init_completion from the bash-completion package + # to prepare the arguments properly + if declare -F _init_completion >/dev/null 2>&1; then + _init_completion -n "=:" || return + else + __git-bug_init_completion -n "=:" || return + fi + + __git-bug_debug + __git-bug_debug "========= starting completion logic ==========" + __git-bug_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}") + __git-bug_debug "Truncated words[*]: ${words[*]}," + + local out directive + __git-bug_get_completion_results + __git-bug_process_completion_results +} + +if [[ $(type -t compopt) = "builtin" ]]; then + complete -o default -F __start_git-bug git-bug +else + complete -o default -o nospace -F __start_git-bug git-bug +fi + +# ex: ts=4 sw=4 et filetype=sh + +# Custom bash code to connect the git completion for "git bug" to the +# git-bug completion for "git-bug" +_git_bug() { + local cur prev words cword split + + COMPREPLY=() + + # Call _init_completion from the bash-completion package + # to prepare the arguments properly + if declare -F _init_completion >/dev/null 2>&1; then + _init_completion -n "=:" || return + else + __git-bug_init_completion -n "=:" || return + fi + + # START PATCH + # replace in the array ("git","bug", ...) to ("git-bug", ...) and adjust the index in cword + words=("git-bug" "${words[@]:2}") + cword=$(($cword-1)) + # END PATCH + + __git-bug_debug + __git-bug_debug "========= starting completion logic ==========" + __git-bug_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}") + __git-bug_debug "Truncated words[*]: ${words[*]}," + + local out directive + __git-bug_get_completion_results + __git-bug_process_completion_results +} diff --git a/misc/completion/fish/git-bug b/misc/completion/fish/git-bug new file mode 100644 index 00000000..a3c2d008 --- /dev/null +++ b/misc/completion/fish/git-bug @@ -0,0 +1,176 @@ +# fish completion for git-bug -*- shell-script -*- + +function __git_bug_debug + set -l file "$BASH_COMP_DEBUG_FILE" + if test -n "$file" + echo "$argv" >> $file + end +end + +function __git_bug_perform_completion + __git_bug_debug "Starting __git_bug_perform_completion" + + # Extract all args except the last one + set -l args (commandline -opc) + # Extract the last arg and escape it in case it is a space + set -l lastArg (string escape -- (commandline -ct)) + + __git_bug_debug "args: $args" + __git_bug_debug "last arg: $lastArg" + + set -l requestComp "$args[1] __complete $args[2..-1] $lastArg" + + __git_bug_debug "Calling $requestComp" + set -l results (eval $requestComp 2> /dev/null) + + # Some programs may output extra empty lines after the directive. + # Let's ignore them or else it will break completion. + # Ref: https://github.com/spf13/cobra/issues/1279 + for line in $results[-1..1] + if test (string trim -- $line) = "" + # Found an empty line, remove it + set results $results[1..-2] + else + # Found non-empty line, we have our proper output + break + end + end + + set -l comps $results[1..-2] + set -l directiveLine $results[-1] + + # For Fish, when completing a flag with an = (e.g., <program> -n=<TAB>) + # completions must be prefixed with the flag + set -l flagPrefix (string match -r -- '-.*=' "$lastArg") + + __git_bug_debug "Comps: $comps" + __git_bug_debug "DirectiveLine: $directiveLine" + __git_bug_debug "flagPrefix: $flagPrefix" + + for comp in $comps + printf "%s%s\n" "$flagPrefix" "$comp" + end + + printf "%s\n" "$directiveLine" +end + +# This function does two things: +# - Obtain the completions and store them in the global __git_bug_comp_results +# - Return false if file completion should be performed +function __git_bug_prepare_completions + __git_bug_debug "" + __git_bug_debug "========= starting completion logic ==========" + + # Start fresh + set --erase __git_bug_comp_results + + set -l results (__git_bug_perform_completion) + __git_bug_debug "Completion results: $results" + + if test -z "$results" + __git_bug_debug "No completion, probably due to a failure" + # Might as well do file completion, in case it helps + return 1 + end + + set -l directive (string sub --start 2 $results[-1]) + set --global __git_bug_comp_results $results[1..-2] + + __git_bug_debug "Completions are: $__git_bug_comp_results" + __git_bug_debug "Directive is: $directive" + + set -l shellCompDirectiveError 1 + set -l shellCompDirectiveNoSpace 2 + set -l shellCompDirectiveNoFileComp 4 + set -l shellCompDirectiveFilterFileExt 8 + set -l shellCompDirectiveFilterDirs 16 + + if test -z "$directive" + set directive 0 + end + + set -l compErr (math (math --scale 0 $directive / $shellCompDirectiveError) % 2) + if test $compErr -eq 1 + __git_bug_debug "Received error directive: aborting." + # Might as well do file completion, in case it helps + return 1 + end + + set -l filefilter (math (math --scale 0 $directive / $shellCompDirectiveFilterFileExt) % 2) + set -l dirfilter (math (math --scale 0 $directive / $shellCompDirectiveFilterDirs) % 2) + if test $filefilter -eq 1; or test $dirfilter -eq 1 + __git_bug_debug "File extension filtering or directory filtering not supported" + # Do full file completion instead + return 1 + end + + set -l nospace (math (math --scale 0 $directive / $shellCompDirectiveNoSpace) % 2) + set -l nofiles (math (math --scale 0 $directive / $shellCompDirectiveNoFileComp) % 2) + + __git_bug_debug "nospace: $nospace, nofiles: $nofiles" + + # 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 the prefix. + if test $nospace -ne 0; or test $nofiles -eq 0 + set -l prefix (commandline -t | string escape --style=regex) + __git_bug_debug "prefix: $prefix" + + set -l completions (string match -r -- "^$prefix.*" $__git_bug_comp_results) + set --global __git_bug_comp_results $completions + __git_bug_debug "Filtered completions are: $__git_bug_comp_results" + + # Important not to quote the variable for count to work + set -l numComps (count $__git_bug_comp_results) + __git_bug_debug "numComps: $numComps" + + if test $numComps -eq 1; and test $nospace -ne 0 + # We must first split on \t to get rid of the descriptions to be + # able to check what the actual completion will be. + # We don't need descriptions anyway since there is only a single + # real completion which the shell will expand immediately. + set -l split (string split --max 1 \t $__git_bug_comp_results[1]) + + # Fish won't add a space if the completion ends with any + # of the following characters: @=/:., + set -l lastChar (string sub -s -1 -- $split) + if not string match -r -q "[@=/:.,]" -- "$lastChar" + # In other cases, to support the "nospace" directive we trick the shell + # by outputting an extra, longer completion. + __git_bug_debug "Adding second completion to perform nospace directive" + set --global __git_bug_comp_results $split[1] $split[1]. + __git_bug_debug "Completions are now: $__git_bug_comp_results" + end + end + + if test $numComps -eq 0; and test $nofiles -eq 0 + # To be consistent with bash and zsh, we only trigger file + # completion when there are no other completions + __git_bug_debug "Requesting file completion" + return 1 + end + end + + return 0 +end + +# Since Fish completions are only loaded once the user triggers them, we trigger them ourselves +# so we can properly delete any completions provided by another script. +# Only do this if the program can be found, or else fish may print some errors; besides, +# the existing completions will only be loaded if the program can be found. +if type -q "git-bug" + # The space after the program name is essential to trigger completion for the program + # and not completion of the program name itself. + # Also, we use '> /dev/null 2>&1' since '&>' is not supported in older versions of fish. + complete --do-complete "git-bug " > /dev/null 2>&1 +end + +# Remove any pre-existing completions for the program since we will be handling all of them. +complete -c git-bug -e + +# The call to __git_bug_prepare_completions will setup __git_bug_comp_results +# which provides the program's completion choices. +complete -c git-bug -n '__git_bug_prepare_completions' -f -a '$__git_bug_comp_results' + diff --git a/misc/completion/gen_completion.go b/misc/completion/gen_completion.go new file mode 100644 index 00000000..5f643832 --- /dev/null +++ b/misc/completion/gen_completion.go @@ -0,0 +1,127 @@ +package main + +import ( + "fmt" + "os" + "path/filepath" + "sync" + + "github.com/spf13/cobra" + + "github.com/MichaelMure/git-bug/commands" +) + +func main() { + fmt.Println("Generating completion files ...") + + tasks := map[string]func(*cobra.Command) error{ + "Bash": genBash, + "Fish": genFish, + "PowerShell": genPowerShell, + "ZSH": genZsh, + } + + var wg sync.WaitGroup + for name, f := range tasks { + wg.Add(1) + go func(name string, f func(*cobra.Command) error) { + defer wg.Done() + root := commands.NewRootCommand() + err := f(root) + if err != nil { + fmt.Printf(" - %s: %v\n", name, err) + return + } + fmt.Printf(" - %s: ok\n", name) + }(name, f) + } + + wg.Wait() +} + +func genBash(root *cobra.Command) error { + cwd, err := os.Getwd() + if err != nil { + return err + } + f, err := os.Create(filepath.Join(cwd, "misc", "completion", "bash", "git-bug")) + if err != nil { + return err + } + defer f.Close() + + const patch = ` +# Custom bash code to connect the git completion for "git bug" to the +# git-bug completion for "git-bug" +_git_bug() { + local cur prev words cword split + + COMPREPLY=() + + # Call _init_completion from the bash-completion package + # to prepare the arguments properly + if declare -F _init_completion >/dev/null 2>&1; then + _init_completion -n "=:" || return + else + __git-bug_init_completion -n "=:" || return + fi + + # START PATCH + # replace in the array ("git","bug", ...) to ("git-bug", ...) and adjust the index in cword + words=("git-bug" "${words[@]:2}") + cword=$(($cword-1)) + # END PATCH + + __git-bug_debug + __git-bug_debug "========= starting completion logic ==========" + __git-bug_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}") + __git-bug_debug "Truncated words[*]: ${words[*]}," + + local out directive + __git-bug_get_completion_results + __git-bug_process_completion_results +} +` + err = root.GenBashCompletionV2(f, true) + if err != nil { + return err + } + + // Custom bash code to connect the git completion for "git bug" to the + // git-bug completion for "git-bug" + _, err = f.WriteString(patch) + + return err +} + +func genFish(root *cobra.Command) error { + cwd, err := os.Getwd() + if err != nil { + return err + } + dir := filepath.Join(cwd, "misc", "completion", "fish", "git-bug") + return root.GenFishCompletionFile(dir, true) +} + +func genPowerShell(root *cobra.Command) error { + cwd, err := os.Getwd() + if err != nil { + return err + } + path := filepath.Join(cwd, "misc", "completion", "powershell", "git-bug") + return root.GenPowerShellCompletionFile(path) +} + +func genZsh(root *cobra.Command) error { + cwd, err := os.Getwd() + if err != nil { + return err + } + path := filepath.Join(cwd, "misc", "completion", "zsh", "git-bug") + return root.GenZshCompletionFile(path) +} diff --git a/misc/completion/powershell/git-bug b/misc/completion/powershell/git-bug new file mode 100644 index 00000000..b8280eea --- /dev/null +++ b/misc/completion/powershell/git-bug @@ -0,0 +1,225 @@ +# powershell completion for git-bug -*- shell-script -*- + +function __git-bug_debug { + if ($env:BASH_COMP_DEBUG_FILE) { + "$args" | Out-File -Append -FilePath "$env:BASH_COMP_DEBUG_FILE" + } +} + +filter __git-bug_escapeStringWithSpecialChars { + $_ -replace '\s|#|@|\$|;|,|''|\{|\}|\(|\)|"|`|\||<|>|&','`$&' +} + +Register-ArgumentCompleter -CommandName 'git-bug' -ScriptBlock { + param( + $WordToComplete, + $CommandAst, + $CursorPosition + ) + + # Get the current command line and convert into a string + $Command = $CommandAst.CommandElements + $Command = "$Command" + + __git-bug_debug "" + __git-bug_debug "========= starting completion logic ==========" + __git-bug_debug "WordToComplete: $WordToComplete Command: $Command CursorPosition: $CursorPosition" + + # The user could have moved the cursor backwards on the command-line. + # We need to trigger completion from the $CursorPosition location, so we need + # to truncate the command-line ($Command) up to the $CursorPosition location. + # Make sure the $Command is longer then the $CursorPosition before we truncate. + # This happens because the $Command does not include the last space. + if ($Command.Length -gt $CursorPosition) { + $Command=$Command.Substring(0,$CursorPosition) + } + __git-bug_debug "Truncated command: $Command" + + $ShellCompDirectiveError=1 + $ShellCompDirectiveNoSpace=2 + $ShellCompDirectiveNoFileComp=4 + $ShellCompDirectiveFilterFileExt=8 + $ShellCompDirectiveFilterDirs=16 + + # Prepare the command to request completions for the program. + # Split the command at the first space to separate the program and arguments. + $Program,$Arguments = $Command.Split(" ",2) + $RequestComp="$Program __completeNoDesc $Arguments" + __git-bug_debug "RequestComp: $RequestComp" + + # we cannot use $WordToComplete because it + # has the wrong values if the cursor was moved + # so use the last argument + if ($WordToComplete -ne "" ) { + $WordToComplete = $Arguments.Split(" ")[-1] + } + __git-bug_debug "New WordToComplete: $WordToComplete" + + + # Check for flag with equal sign + $IsEqualFlag = ($WordToComplete -Like "--*=*" ) + if ( $IsEqualFlag ) { + __git-bug_debug "Completing equal sign flag" + # Remove the flag part + $Flag,$WordToComplete = $WordToComplete.Split("=",2) + } + + if ( $WordToComplete -eq "" -And ( -Not $IsEqualFlag )) { + # 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. + __git-bug_debug "Adding extra empty parameter" + # We need to use `"`" to pass an empty argument a "" or '' does not work!!! + $RequestComp="$RequestComp" + ' `"`"' + } + + __git-bug_debug "Calling $RequestComp" + #call the command store the output in $out and redirect stderr and stdout to null + # $Out is an array contains each line per element + Invoke-Expression -OutVariable out "$RequestComp" 2>&1 | Out-Null + + + # get directive from last line + [int]$Directive = $Out[-1].TrimStart(':') + if ($Directive -eq "") { + # There is no directive specified + $Directive = 0 + } + __git-bug_debug "The completion directive is: $Directive" + + # remove directive (last element) from out + $Out = $Out | Where-Object { $_ -ne $Out[-1] } + __git-bug_debug "The completions are: $Out" + + if (($Directive -band $ShellCompDirectiveError) -ne 0 ) { + # Error code. No completion. + __git-bug_debug "Received error from custom completion go code" + return + } + + $Longest = 0 + $Values = $Out | ForEach-Object { + #Split the output in name and description + $Name, $Description = $_.Split("`t",2) + __git-bug_debug "Name: $Name Description: $Description" + + # Look for the longest completion so that we can format things nicely + if ($Longest -lt $Name.Length) { + $Longest = $Name.Length + } + + # Set the description to a one space string if there is none set. + # This is needed because the CompletionResult does not accept an empty string as argument + if (-Not $Description) { + $Description = " " + } + @{Name="$Name";Description="$Description"} + } + + + $Space = " " + if (($Directive -band $ShellCompDirectiveNoSpace) -ne 0 ) { + # remove the space here + __git-bug_debug "ShellCompDirectiveNoSpace is called" + $Space = "" + } + + if ((($Directive -band $ShellCompDirectiveFilterFileExt) -ne 0 ) -or + (($Directive -band $ShellCompDirectiveFilterDirs) -ne 0 )) { + __git-bug_debug "ShellCompDirectiveFilterFileExt ShellCompDirectiveFilterDirs are not supported" + + # return here to prevent the completion of the extensions + return + } + + $Values = $Values | Where-Object { + # filter the result + $_.Name -like "$WordToComplete*" + + # Join the flag back if we have an equal sign flag + if ( $IsEqualFlag ) { + __git-bug_debug "Join the equal sign flag back to the completion value" + $_.Name = $Flag + "=" + $_.Name + } + } + + if (($Directive -band $ShellCompDirectiveNoFileComp) -ne 0 ) { + __git-bug_debug "ShellCompDirectiveNoFileComp is called" + + if ($Values.Length -eq 0) { + # Just print an empty string here so the + # shell does not start to complete paths. + # We cannot use CompletionResult here because + # it does not accept an empty string as argument. + "" + return + } + } + + # Get the current mode + $Mode = (Get-PSReadLineKeyHandler | Where-Object {$_.Key -eq "Tab" }).Function + __git-bug_debug "Mode: $Mode" + + $Values | ForEach-Object { + + # store temporary because switch will overwrite $_ + $comp = $_ + + # PowerShell supports three different completion modes + # - TabCompleteNext (default windows style - on each key press the next option is displayed) + # - Complete (works like bash) + # - MenuComplete (works like zsh) + # You set the mode with Set-PSReadLineKeyHandler -Key Tab -Function <mode> + + # CompletionResult Arguments: + # 1) CompletionText text to be used as the auto completion result + # 2) ListItemText text to be displayed in the suggestion list + # 3) ResultType type of completion result + # 4) ToolTip text for the tooltip with details about the object + + switch ($Mode) { + + # bash like + "Complete" { + + if ($Values.Length -eq 1) { + __git-bug_debug "Only one completion left" + + # insert space after value + [System.Management.Automation.CompletionResult]::new($($comp.Name | __git-bug_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)") + + } else { + # Add the proper number of spaces to align the descriptions + while($comp.Name.Length -lt $Longest) { + $comp.Name = $comp.Name + " " + } + + # Check for empty description and only add parentheses if needed + if ($($comp.Description) -eq " " ) { + $Description = "" + } else { + $Description = " ($($comp.Description))" + } + + [System.Management.Automation.CompletionResult]::new("$($comp.Name)$Description", "$($comp.Name)$Description", 'ParameterValue', "$($comp.Description)") + } + } + + # zsh like + "MenuComplete" { + # insert space after value + # MenuComplete will automatically show the ToolTip of + # the highlighted value at the bottom of the suggestions. + [System.Management.Automation.CompletionResult]::new($($comp.Name | __git-bug_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)") + } + + # TabCompleteNext and in case we get something unknown + Default { + # Like MenuComplete but we don't want to add a space here because + # the user need to press space anyway to get the completion. + # Description will not be shown because that's not possible with TabCompleteNext + [System.Management.Automation.CompletionResult]::new($($comp.Name | __git-bug_escapeStringWithSpecialChars), "$($comp.Name)", 'ParameterValue', "$($comp.Description)") + } + } + + } +} diff --git a/misc/completion/zsh/git-bug b/misc/completion/zsh/git-bug new file mode 100644 index 00000000..e7cbe9a9 --- /dev/null +++ b/misc/completion/zsh/git-bug @@ -0,0 +1,177 @@ +#compdef _git-bug git-bug + +# zsh completion for git-bug -*- shell-script -*- + +__git-bug_debug() +{ + local file="$BASH_COMP_DEBUG_FILE" + if [[ -n ${file} ]]; then + echo "$*" >> "${file}" + fi +} + +_git-bug() +{ + local shellCompDirectiveError=1 + local shellCompDirectiveNoSpace=2 + local shellCompDirectiveNoFileComp=4 + local shellCompDirectiveFilterFileExt=8 + local shellCompDirectiveFilterDirs=16 + + local lastParam lastChar flagPrefix requestComp out directive comp lastComp noSpace + local -a completions + + __git-bug_debug "\n========= starting completion logic ==========" + __git-bug_debug "CURRENT: ${CURRENT}, words[*]: ${words[*]}" + + # The user could have moved the cursor backwards on the command-line. + # We need to trigger completion from the $CURRENT location, so we need + # to truncate the command-line ($words) up to the $CURRENT location. + # (We cannot use $CURSOR as its value does not work when a command is an alias.) + words=("${=words[1,CURRENT]}") + __git-bug_debug "Truncated words[*]: ${words[*]}," + + lastParam=${words[-1]} + lastChar=${lastParam[-1]} + __git-bug_debug "lastParam: ${lastParam}, lastChar: ${lastChar}" + + # For zsh, when completing a flag with an = (e.g., git-bug -n=<TAB>) + # completions must be prefixed with the flag + setopt local_options BASH_REMATCH + if [[ "${lastParam}" =~ '-.*=' ]]; then + # We are dealing with a flag with an = + flagPrefix="-P ${BASH_REMATCH}" + fi + + # Prepare the command to obtain completions + requestComp="${words[1]} __complete ${words[2,-1]}" + if [ "${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 completion code. + __git-bug_debug "Adding extra empty parameter" + requestComp="${requestComp} \"\"" + fi + + __git-bug_debug "About to call: eval ${requestComp}" + + # Use eval to handle any environment variables and such + out=$(eval ${requestComp} 2>/dev/null) + __git-bug_debug "completion output: ${out}" + + # Extract the directive integer following a : from the last line + local lastLine + while IFS='\n' read -r line; do + lastLine=${line} + done < <(printf "%s\n" "${out[@]}") + __git-bug_debug "last line: ${lastLine}" + + if [ "${lastLine[1]}" = : ]; then + directive=${lastLine[2,-1]} + # Remove the directive including the : and the newline + local suffix + (( suffix=${#lastLine}+2)) + out=${out[1,-$suffix]} + else + # There is no directive specified. Leave $out as is. + __git-bug_debug "No directive found. Setting do default" + directive=0 + fi + + __git-bug_debug "directive: ${directive}" + __git-bug_debug "completions: ${out}" + __git-bug_debug "flagPrefix: ${flagPrefix}" + + if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then + __git-bug_debug "Completion received error. Ignoring completions." + return + fi + + while IFS='\n' read -r comp; do + if [ -n "$comp" ]; then + # If requested, completions are returned with a description. + # The description is preceded by a TAB character. + # For zsh's _describe, we need to use a : instead of a TAB. + # We first need to escape any : as part of the completion itself. + comp=${comp//:/\\:} + + local tab=$(printf '\t') + comp=${comp//$tab/:} + + __git-bug_debug "Adding completion: ${comp}" + completions+=${comp} + lastComp=$comp + fi + done < <(printf "%s\n" "${out[@]}") + + if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then + __git-bug_debug "Activating nospace." + noSpace="-S ''" + fi + + if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then + # File extension filtering + local filteringCmd + filteringCmd='_files' + for filter in ${completions[@]}; do + if [ ${filter[1]} != '*' ]; then + # zsh requires a glob pattern to do file filtering + filter="\*.$filter" + fi + filteringCmd+=" -g $filter" + done + filteringCmd+=" ${flagPrefix}" + + __git-bug_debug "File filtering command: $filteringCmd" + _arguments '*:filename:'"$filteringCmd" + elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then + # File completion for directories only + local subdir + subdir="${completions[1]}" + if [ -n "$subdir" ]; then + __git-bug_debug "Listing directories in $subdir" + pushd "${subdir}" >/dev/null 2>&1 + else + __git-bug_debug "Listing directories in ." + fi + + local result + _arguments '*:dirname:_files -/'" ${flagPrefix}" + result=$? + if [ -n "$subdir" ]; then + popd >/dev/null 2>&1 + fi + return $result + else + __git-bug_debug "Calling _describe" + if eval _describe "completions" completions $flagPrefix $noSpace; then + __git-bug_debug "_describe found some completions" + + # Return the success of having called _describe + return 0 + else + __git-bug_debug "_describe did not find completions." + __git-bug_debug "Checking if we should do file completion." + if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then + __git-bug_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 + __git-bug_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'" ${flagPrefix}" + fi + fi + fi +} + +# don't run the completion function when being source-ed or eval-ed +if [ "$funcstack[1]" = "_git-bug" ]; then + _git-bug +fi |