misc: move all completions in a dedicated folder

1 files changed, 324 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
+}