diff options
Diffstat (limited to 'misc/completion/bash')
| -rw-r--r-- | misc/completion/bash/git-bug | 177 |
1 files changed, 107 insertions, 70 deletions
diff --git a/misc/completion/bash/git-bug b/misc/completion/bash/git-bug index 92b90d3c..2bca660b 100644 --- a/misc/completion/bash/git-bug +++ b/misc/completion/bash/git-bug @@ -56,7 +56,7 @@ __git-bug_get_completion_results() { directive=0 fi __git-bug_debug "The completion directive is: ${directive}" - __git-bug_debug "The completions are: ${out[*]}" + __git-bug_debug "The completions are: ${out}" } __git-bug_process_completion_results() { @@ -89,13 +89,18 @@ __git-bug_process_completion_results() { fi fi + # Separate activeHelp from normal completions + local completions=() + local activeHelp=() + __git-bug_extract_activeHelp + if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then # File extension filtering local fullFilter filter filteringCmd - # Do not use quotes around the $out variable or else newline + # Do not use quotes around the $completions variable or else newline # characters will be kept. - for filter in ${out[*]}; do + for filter in ${completions[*]}; do fullFilter+="$filter|" done @@ -107,7 +112,7 @@ __git-bug_process_completion_results() { # Use printf to strip any trailing newline local subdir - subdir=$(printf "%s" "${out[0]}") + subdir=$(printf "%s" "${completions[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 @@ -121,6 +126,43 @@ __git-bug_process_completion_results() { __git-bug_handle_special_char "$cur" : __git-bug_handle_special_char "$cur" = + + # Print the activeHelp statements before we finish + if [ ${#activeHelp} -ne 0 ]; then + printf "\n"; + printf "%s\n" "${activeHelp[@]}" + printf "\n" + + # The prompt format is only available from bash 4.4. + # We test if it is available before using it. + if (x=${PS1@P}) 2> /dev/null; then + printf "%s" "${PS1@P}${COMP_LINE[@]}" + else + # Can't print the prompt. Just print the + # text the user had typed, it is workable enough. + printf "%s" "${COMP_LINE[@]}" + fi + fi +} + +# Separate activeHelp lines from real completions. +# Fills the $activeHelp and $completions arrays. +__git-bug_extract_activeHelp() { + local activeHelpMarker="_activeHelp_ " + local endIndex=${#activeHelpMarker} + + while IFS='' read -r comp; do + if [ "${comp:0:endIndex}" = "$activeHelpMarker" ]; then + comp=${comp:endIndex} + __git-bug_debug "ActiveHelp found: $comp" + if [ -n "$comp" ]; then + activeHelp+=("$comp") + fi + else + # Not an activeHelp line but a normal completion + completions+=("$comp") + fi + done < <(printf "%s\n" "${out}") } __git-bug_handle_completion_types() { @@ -132,17 +174,16 @@ __git-bug_handle_completion_types() { # If the user requested inserting one completion at a time, or all # completions at once on the command-line we must remove the descriptions. # https://github.com/spf13/cobra/issues/1508 - local tab comp - tab=$(printf '\t') + local tab=$'\t' comp while IFS='' read -r comp; do + [[ -z $comp ]] && continue # Strip any description comp=${comp%%$tab*} # Only consider the completions that match - comp=$(compgen -W "$comp" -- "$cur") - if [ -n "$comp" ]; then + if [[ $comp == "$cur"* ]]; then COMPREPLY+=("$comp") fi - done < <(printf "%s\n" "${out[@]}") + done < <(printf "%s\n" "${completions[@]}") ;; *) @@ -153,44 +194,37 @@ __git-bug_handle_completion_types() { } __git-bug_handle_standard_completion_case() { - local tab comp - tab=$(printf '\t') + local tab=$'\t' comp + + # Short circuit to optimize if we don't have descriptions + if [[ "${completions[*]}" != *$tab* ]]; then + IFS=$'\n' read -ra COMPREPLY -d '' < <(compgen -W "${completions[*]}" -- "$cur") + return 0 + fi local longest=0 + local compline # Look for the longest completion so that we can format things nicely - while IFS='' read -r comp; do + while IFS='' read -r compline; do + [[ -z $compline ]] && continue # Strip any description before checking the length - comp=${comp%%$tab*} + comp=${compline%%$tab*} # Only consider the completions that match - comp=$(compgen -W "$comp" -- "$cur") + [[ $comp == "$cur"* ]] || continue + COMPREPLY+=("$compline") if ((${#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") + done < <(printf "%s\n" "${completions[@]}") # 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]%% *}" + comp="${COMPREPLY[0]%%$tab*}" __git-bug_debug "Removed description from single completion, which is now: ${comp}" - COMPREPLY=() - COMPREPLY+=("$comp") + COMPREPLY[0]=$comp + else # Format the descriptions + __git-bug_format_comp_descriptions $longest fi } @@ -209,45 +243,48 @@ __git-bug_handle_special_char() __git-bug_format_comp_descriptions() { - local tab - tab=$(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 - ${#comp} - 4 )) - fi + local tab=$'\t' + local comp desc maxdesclength + local longest=$1 + + local i ci + for ci in ${!COMPREPLY[*]}; do + comp=${COMPREPLY[ci]} + # Properly format the description string which follows a tab character if there is one + if [[ "$comp" == *$tab* ]]; then + __git-bug_debug "Original comp: $comp" + desc=${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+="…" + # 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 - comp+=" ($desc)" + COMPREPLY[ci]=$comp + __git-bug_debug "Final comp: $comp" fi - fi - - # Must use printf to escape all special characters - printf "%q" "${comp}" + done } __start_git-bug() |