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scripts/fzf-bash-completion.sh
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470
scripts/fzf-bash-completion.sh
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_FZF_COMPLETION_SEP=$'\x01'
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# shell parsing stuff
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_fzf_bash_completion_egrep="$( { which rg || echo egrep; } 2>/dev/null)"
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_fzf_bash_completion_awk="$( { which gawk || echo awk; } 2>/dev/null)"
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_fzf_bash_completion_sed="$( { which gsed || echo sed; } 2>/dev/null)"
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_fzf_bash_completion_awk_escape() {
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"$_fzf_bash_completion_sed" 's/\\/\\\\\\\\/g; s/[[*^$.]/\\\\&/g' <<<"$1"
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}
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_fzf_bash_completion_shell_split() {
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"$_fzf_bash_completion_egrep" -o \
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-e '[;(){}&\|:]' \
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-e '\|+|&+' \
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-e "(\\\\.|[^\"'[:space:];:(){}&\\|])+" \
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-e "\\\$'(\\\\.|[^'])*('|$)" \
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-e "'[^']*('|$)" \
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-e '"(\\.|\$($|[^(])|[^"$])*("|$)' \
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-e '".*' -e .
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}
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_fzf_bash_completion_unbuffered_awk() {
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# need to get awk to be unbuffered either by using -W interactive or system("")
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"$_fzf_bash_completion_awk" -W interactive "${@:3}" "$1 { $2; print \$0; system(\"\") }" 2>/dev/null
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}
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_fzf_bash_completion_flatten_subshells() {
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(
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local count=0 buffer=
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while IFS= read -r line; do
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case "$line" in
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\(|\{) (( count -- )) ;;
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\)|\}) (( count ++ )) ;;
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esac
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if (( count < 0 )); then
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return
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elif (( count > 0 )); then
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buffer="$line$buffer"
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else
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printf '%s\n' "$line$buffer"
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buffer=
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fi
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done < <(tac)
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printf '%s\n' "$buffer"
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) | tac
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}
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_fzf_bash_completion_find_matching_bracket() {
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local count=0
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while IFS=: read num bracket; do
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if [ "$bracket" = "$1" ]; then
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(( count++ ))
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if (( count > 0 )); then
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printf '%s\n' "$num"
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return 0
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fi
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else
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(( count -- ))
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fi
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done < <(fgrep $'(\n)' -n)
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return 1
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}
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_fzf_bash_completion_parse_dq() {
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local words="$(cat)"
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local last="$(<<<"$words" tail -n1)"
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if [[ "$last" == \"* ]]; then
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local shell="${last:1}" _shell joined
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local word=
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while true; do
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# we are in a double quoted string
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_shell="$(<<<"$shell" "$_fzf_bash_completion_sed" -r 's/^(\\.|[^"$])*\$\(//')"
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if [ "$shell" = "$_shell" ]; then
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# no subshells
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break
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fi
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word+="${shell:0:-${#_shell}-2}"
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shell="$_shell"
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# found a subshell
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split="$(<<<"$shell" _fzf_bash_completion_shell_split)"
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if ! split="$(_fzf_bash_completion_parse_dq <<<"$split")"; then
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# bubble up
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printf '%s\n' "$split"
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return 1
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fi
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if ! num="$(_fzf_bash_completion_find_matching_bracket ')' <<<"$split")"; then
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# subshell not closed, this is it
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printf '%s\n' "$split"
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return 1
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fi
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# subshell closed
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joined="$(<<<"$split" head -n "$num" | tr -d \\n)"
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word+=$'\n'"\$($joined"$'\n'
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shell="${shell:${#joined}}"
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done
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fi
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printf '%s\n' "$words"
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}
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_fzf_bash_completion_parse_line() {
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_fzf_bash_completion_shell_split \
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| _fzf_bash_completion_parse_dq \
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| _fzf_bash_completion_flatten_subshells \
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| tr \\n \\0 \
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| "$_fzf_bash_completion_sed" -r "$(cat <<'EOF'
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s/\x00\s*\x00/\n/g;
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s/\x00(\s*)$/\n\1/;
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s/([^&\n\x00])&([^&\n\x00])/\1\n\&\n\2/g;
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s/([\n\x00\z])([<>]+)([^\n\x00])/\1\2\n\3/g;
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s/([<>][\n\x00])$/\1\n/;
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s/^(.*[\x00\n])?(\[\[|case|do|done|elif|else|esac|fi|for|function|if|in|select|then|time|until|while|&|;|&&|\|[|&]?)[\x00\n]//;
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s/^(\s*[\n\x00]|\w+=[^\n\x00]*[\n\x00])*//
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EOF
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)" \
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| tr \\0 \\n
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}
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_fzf_bash_completion_compspec() {
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complete -p -- "$1" || complete -p '' || printf '%s\n' 'complete -o filenames -F _fzf_bash_completion_fallback_completer'
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}
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_fzf_bash_completion_fallback_completer() {
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# fallback completion in case no compspecs loaded
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if [[ "$1" == \~* && "$1" != */* ]]; then
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# complete ~user directories
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readarray -t COMPREPLY < <(compgen -P '~' -u -- "${1#\~}")
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else
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# complete files
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readarray -t COMPREPLY < <(compgen -f -- "$1")
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fi
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}
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_fzf_bash_completion_loading_msg() {
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echo 'Loading matches ...'
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}
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fzf_bash_completion() {
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printf '\r'
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command tput sc 2>/dev/null || echo -ne "\0337"
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printf '%s' "$(_fzf_bash_completion_loading_msg)"
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command tput rc 2>/dev/null || echo -ne "\0338"
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local COMP_WORDS COMP_CWORD COMP_POINT COMP_LINE
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local line="${READLINE_LINE:0:READLINE_POINT}"
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readarray -t COMP_WORDS < <(_fzf_bash_completion_parse_line <<<"$line")
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if [[ "${#COMP_WORDS[@]}" = 0 || "$line" =~ .*[[:space:]]$ ]]; then
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COMP_WORDS+=( '' )
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fi
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COMP_CWORD="${#COMP_WORDS[@]}"
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(( COMP_CWORD-- ))
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if [[ ${#COMP_WORDS[@]} -gt 1 ]]; then
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_fzf_bash_completion_expand_alias "${COMP_WORDS[0]}"
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fi
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COMP_LINE="${COMP_WORDS[*]}"
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COMP_POINT="${#COMP_LINE}"
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local cmd="${COMP_WORDS[0]}"
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local prev
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if [ "$COMP_CWORD" = 0 ]; then
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prev=
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else
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prev="${COMP_WORDS[COMP_CWORD-1]}"
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fi
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local cur="${COMP_WORDS[COMP_CWORD]}"
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local COMPREPLY=
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fzf_bash_completer "$cmd" "$cur" "$prev"
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if [ -n "$COMPREPLY" ]; then
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if [ -n "$cur" ]; then
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line="${line::-${#cur}}"
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fi
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READLINE_LINE="${line}${COMPREPLY}${READLINE_LINE:$READLINE_POINT}"
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(( READLINE_POINT+=${#COMPREPLY} - ${#cur} ))
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fi
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printf '\r'
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command tput el 2>/dev/null || echo -ne "\033[K"
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}
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_fzf_bash_completion_selector() {
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FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS" \
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$(__fzfcmd 2>/dev/null || echo fzf) -1 -0 --prompt "> $line" --nth 2 -d "$_FZF_COMPLETION_SEP" \
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| tr -d "$_FZF_COMPLETION_SEP"
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}
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_fzf_bash_completion_expand_alias() {
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if alias "$1" &>/dev/null; then
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value=( ${BASH_ALIASES[$1]} )
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if [ -n "${value[*]}" -a "${value[0]}" != "$1" ]; then
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COMP_WORDS=( "${value[@]}" "${COMP_WORDS[@]:1}" )
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COMP_CWORD="$(( COMP_CWORD + ${#value[@]} - 1 ))"
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fi
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fi
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}
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_fzf_bash_completion_get_results() {
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local trigger="${FZF_COMPLETION_TRIGGER-**}"
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if [[ "$2" =~ .*\$(\{?)([A-Za-z0-9_]*)$ ]]; then
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# environment variables
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local brace="${BASH_REMATCH[1]}"
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local filter="${BASH_REMATCH[2]}"
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if [ -n "$filter" ]; then
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local prefix="${2:: -${#filter}}"
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else
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local prefix="$2"
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fi
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compgen -v -P "$prefix" -S "${brace:+\}}" -- "$filter"
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elif [ "$COMP_CWORD" == 0 ]; then
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# commands
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printf '%s\n' compl_filenames=1 >&"${__evaled}"
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compgen -abc -- "$2" | _fzf_bash_completion_dir_marker
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elif [[ "$2" == *"$trigger" ]]; then
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# replicate fzf ** trigger completion
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local suffix="${2##*/}"
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local prefix="${2::${#2}-${#suffix}}"
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suffix="${suffix::${#suffix}-${#trigger}}"
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local flags=()
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if [[ "$1" =~ cd|pushd|rmdir ]]; then
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flags=( -type d )
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fi
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if [[ ! "$prefix" =~ (.?/).* ]]; then
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prefix="./$prefix"
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elif [ "${prefix::2}" = '~/' ]; then
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prefix="${HOME}/${prefix:2}"
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fi
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# smart case
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if [ "${suffix,,}" = "${suffix}" ]; then
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flags+=( -ipath "$prefix$suffix*" )
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else
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flags+=( -path "$prefix$suffix*" )
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fi
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printf '%s\n' compl_filenames=1 >&"${__evaled}"
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find -L "$prefix" -mindepth 1 "${flags[@]}" \( -type d -printf "%p/\n" , -type f -print \) 2>/dev/null | "$_fzf_bash_completion_sed" 's,^\./,,'
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else
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_fzf_bash_completion_complete "$@"
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fi
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}
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fzf_bash_completer() {
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local value code
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local compl_bashdefault compl_default compl_dirnames compl_filenames compl_noquote compl_nosort compl_nospace compl_plusdirs
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# preload completions in top shell
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{ complete -p -- "$1" || __load_completion "$1"; } &>/dev/null
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eval "$(
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set -o pipefail
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# hack: hijack compopt
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compopt() { _fzf_bash_completion_compopt "$@"; }
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local __unquoted="${2#[\"\']}"
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exec {__evaled}>&1
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coproc (
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(
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_fzf_bash_completion_get_results "$@"
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while (( $? == 124 )); do
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_fzf_bash_completion_get_results "$@"
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done
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) | _fzf_bash_completion_unbuffered_awk '$0!="" && !x[$0]++' '$0 = substr($0, 1, len) sep substr($0, len+1)' -vlen="${#__unquoted}" -vsep="$_FZF_COMPLETION_SEP"
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)
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value="$(_fzf_bash_completion_selector "$1" "$__unquoted" "$3" <&"${COPROC[0]}")"
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code="$?"
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printf 'COMPREPLY=%q\n' "$value"
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printf 'code=%q\n' "$code"
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kill 0
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)"
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if [ "$code" = 0 ]; then
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readarray -t COMPREPLY < <(
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if [ "$compl_noquote" != 1 -a "$compl_filenames" = 1 ]; then
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while IFS= read -r line; do
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if [ "$line" = "$2" ]; then
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printf '%s\n' "$line"
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# never quote the prefix
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elif [ "${line::${#2}}" = "$2" ]; then
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printf '%s%q\n' "$2" "${line:${#2}}"
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elif [ "${line::1}" = '~' ]; then
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printf '~%q\n' "${line:1}"
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else
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printf '%q\n' "$line"
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fi
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done
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else
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cat
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fi <<<"$COMPREPLY"
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)
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COMPREPLY="${COMPREPLY[*]}"
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[ "$compl_nospace" != 1 ] && COMPREPLY="$COMPREPLY "
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[[ "$compl_filenames" == *1* ]] && COMPREPLY="${COMPREPLY/%\/ //}"
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fi
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}
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_fzf_bash_completion_complete() {
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local compgen_actions=()
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local compspec="$(_fzf_bash_completion_compspec "$1" 2>/dev/null)"
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eval "compspec=( $compspec )"
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set -- "${compspec[@]}" "$@"
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shift
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while [ "$#" -gt 4 ]; do
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case "$1" in
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-F)
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local compl_function="$2"
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shift ;;
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-C)
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local compl_command="$2"
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shift ;;
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-G)
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local compl_globpat="$2"
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shift ;;
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-W)
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local compl_wordlist="$2"
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shift ;;
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-X)
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local compl_xfilter="$2"
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shift ;;
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-o)
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_fzf_bash_completion_compopt -o "$2"
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shift ;;
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-A)
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local compgen_opts+=( "$1" "$2" )
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shift ;;
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-P)
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local compl_prefix="$(_fzf_bash_completion_awk_escape "$2")"
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shift ;;
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-S)
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local compl_suffix="$(_fzf_bash_completion_awk_escape "$2")"
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shift ;;
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-[a-z])
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compgen_actions+=( "$1" )
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;;
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esac
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shift
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done
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shift
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COMPREPLY=()
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if [ -n "$compl_function" ]; then
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"$compl_function" "$@" >/dev/null
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if [ "$?" = 124 ]; then
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local newcompspec="$(_fzf_bash_completion_compspec "$1" 2>/dev/null)"
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if [ "$newcompspec" != "$compspec" ]; then
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return 124
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fi
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"$compl_function" "$@" >/dev/null
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fi
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fi
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compl_filenames="${compl_filenames}${compl_plusdirs}${compl_dirnames}"
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if [[ "$compl_filenames" == *1* ]]; then
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local dir_marker=_fzf_bash_completion_dir_marker
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else
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local dir_marker=cat
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fi
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printf 'compl_filenames=%q\n' "$compl_filenames" >&"${__evaled}"
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printf 'compl_noquote=%q\n' "$compl_noquote" >&"${__evaled}"
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printf 'compl_nospace=%q\n' "$compl_nospace" >&"${__evaled}"
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(
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(
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if [ -n "${compgen_actions[*]}" ]; then
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compgen "${compgen_opts[@]}" -- "$2"
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fi
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if [ -n "$compl_globpat" ]; then
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printf %s\\n "$compl_globpat"
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fi
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if [ -n "$compl_wordlist" ]; then
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eval "printf '%s\\n' $compl_wordlist"
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fi
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if [ -n "${COMPREPLY[*]}" ]; then
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printf %s\\n "${COMPREPLY[@]}"
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fi
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if [ -n "$compl_command" ]; then
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(
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unset COMP_WORDS COMP_CWORD
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export COMP_LINE="$COMP_LINE" COMP_POINT="$COMP_POINT" COMP_KEY="$COMP_KEY" COMP_TYPE="$COMP_TYPE"
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eval "$compl_command"
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)
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fi
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printf '%s\n'
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) | _fzf_bash_completion_apply_xfilter "$compl_xfilter" \
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| _fzf_bash_completion_unbuffered_awk '$0!=""' 'sub(find, replace)' -vfind='.*' -vreplace="$(printf %s "$compl_prefix" | "$_fzf_bash_completion_sed" 's/[&\]/\\&/g')&$(printf %s "$compl_suffix" | "$_fzf_bash_completion_sed" 's/[&\]/\\&/g')" \
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| if IFS= read -r line; then
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printf '%s\n' "$line"; cat
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else
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local compgen_opts=()
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[ "$compl_bashdefault" = 1 ] && compgen_opts+=( -o bashdefault )
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[ "$compl_default" = 1 ] && compgen_opts+=( -o default )
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[ "$compl_dirnames" = 1 ] && compgen_opts+=( -o dirnames )
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if [ -n "${compgen_opts[*]}" ]; then
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compgen "${compgen_opts[@]}" -- "$2"
|
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fi
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fi
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if [ "$compl_plusdirs" = 1 ]; then
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compgen -o dirnames -- "$2"
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fi
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) \
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| _fzf_bash_completion_unbuffered_awk '' 'sub(find, replace)' -vfind="^$(_fzf_bash_completion_awk_escape "$2")" -vreplace="$("$_fzf_bash_completion_sed" -r 's/\\(.)/\1/g; s/[&\]/\\&/g' <<<"$2")" \
|
||||
| "$dir_marker"
|
||||
}
|
||||
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_fzf_bash_completion_apply_xfilter() {
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if [ -z "$1" ]; then
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cat
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||||
return
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||||
fi
|
||||
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||||
local pattern line word="$cur"
|
||||
word="${word//\//\\/}"
|
||||
word="${word//&/\\&}"
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||||
# replace any unescaped & with the word being completed
|
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pattern="$("$_fzf_bash_completion_sed" 's/\(\(^\|[^\]\)\(\\\\\)*\)&/\1'"$word"'/g' <<<"${1:1}")"
|
||||
|
||||
if [ "${1::1}" = ! ]; then
|
||||
while IFS= read -r line; do [[ "$line" == $pattern ]] && printf '%s\n' "$line"; done
|
||||
elif [ -n "$1" ]; then
|
||||
while IFS= read -r line; do [[ "$line" != $pattern ]] && printf '%s\n' "$line"; done
|
||||
fi
|
||||
}
|
||||
|
||||
_fzf_bash_completion_dir_marker() {
|
||||
local line
|
||||
while IFS= read -r line; do
|
||||
# adapted from __expand_tilde_by_ref
|
||||
if [[ "$line" == \~* ]]; then
|
||||
eval "$(printf expanded=~%q "${line:1}")"
|
||||
fi
|
||||
[ -d "${expanded-"$line"}" ] && line="$line/"
|
||||
printf '%s\n' "$line"
|
||||
done
|
||||
}
|
||||
|
||||
_fzf_bash_completion_compopt() {
|
||||
while [ "$#" -gt 0 ]; do
|
||||
local val
|
||||
if [ "$1" = -o ]; then
|
||||
val=1
|
||||
elif [ "$1" = +o ]; then
|
||||
val=0
|
||||
else
|
||||
break
|
||||
fi
|
||||
|
||||
if [[ "$2" =~ bashdefault|default|dirnames|filenames|noquote|nosort|nospace|plusdirs ]]; then
|
||||
eval "compl_$2=$val"
|
||||
fi
|
||||
shift 2
|
||||
done
|
||||
}
|
||||
Loading…
Reference in a new issue