609 lines
21 KiB
Bash
609 lines
21 KiB
Bash
_FZF_COMPLETION_SEP=$'\x01'
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# shell parsing stuff
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_fzf_bash_completion_awk="$( builtin command -v gawk &>/dev/null && echo gawk || echo awk )"
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_fzf_bash_completion_sed="$( builtin command -v gsed &>/dev/null && echo gsed || echo sed )"
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_fzf_bash_completion_grep="$( builtin command -v ggrep &>/dev/null && echo ggrep || echo builtin command grep )"
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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_grep -E -o \
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-e '\|+|&+|<+|>+' \
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-e '[;(){}&\|]' \
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-e '(\\.|\$[-[:alnum:]_*@#?$!]|(\$\{[^}]*(\}|$))|[^$\|"[:space:];(){}&<>'"'${wordbreaks}])+" \
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-e "\\\$'(\\\\.|[^'])*('|$)" \
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-e "'[^']*('|$)" \
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-e '"(\\.|\$($|[^(])|[^"$])*("|$)' \
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-e '".*' \
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-e '[[:space:]]+' \
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-e .
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}
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_fzf_bash_completion_unbuffered_awk() {
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# need to get awk to be unbuffered either by using -W interactive or system("")
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"$_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' "$buffer"
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) | tac
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}
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_fzf_bash_completion_find_matching_bracket() {
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local count=0
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while IFS=: read -r num bracket; do
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if [ "$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 < <($_fzf_bash_completion_grep -F -e '(' -e ')' -n)
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return 1
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}
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_fzf_bash_completion_parse_dq() {
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local words="$(cat)"
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local last="$(<<<"$words" tail -n1)"
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if [[ "$last" == \"* ]]; then
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local line="${last:1}" shell_start string_end joined num
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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_start="$(<<<"$line" $_fzf_bash_completion_grep -E -o '^(\\.|\$[^(]|[^$])*\$\(')"
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string_end="$(<<<"$line" $_fzf_bash_completion_grep -E -o '^(\\.|[^"])*"')"
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if (( ${#string_end} && ( ! ${#shell_start} || ${#string_end} < ${#shell_start} ) )); then
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# found end of string
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line="${line:${#string_end}}"
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if (( ${#line} )); then
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printf '%s\n' "${words:0:-${#line}}"
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_fzf_bash_completion_parse_line <<<"$line"
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else
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printf '%s\n' "$words"
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fi
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return
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elif (( ${#shell_start} && ( ! ${#string_end} || ${#shell_start} < ${#string_end} ) )); then
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# found a subshell
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word+="${shell_start:0:-2}"
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line="${line:${#shell_start}}"
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split="$(<<<"$line" _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"$'\n'
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line="${line:${#joined}}"
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else
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# the whole line is an incomplete string
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break
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fi
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done
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fi
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printf '%s\n' "$words"
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}
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_fzf_bash_completion_unquote_strings() {
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local line
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while IFS= read -r line; do
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if [[ "$line" =~ ^\'[^\']*\'?$ ]]; then
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# single quoted with no single quotes inside
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line="${line%%\'}"
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printf '%s\n' "${line:1}"
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elif [[ "$line" =~ ^\"(\\.|[^\"$])*\"?$ ]]; then
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# double quoted with all special characters quoted
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"$_fzf_bash_completion_sed" -r 's/\\(.)/\1/g' <<<"${line:1-1}"
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elif [[ "$line" == *\\* && "$line" =~ ^(\\.|[a-zA-Z0-9_])*$ ]]; then
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# all special characters are quoted
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"$_fzf_bash_completion_sed" -r 's/\\(.)/\1/g' <<<"$line"
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else
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# this string is either boring or too complicated to parse
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# print as is
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printf '%s\n' "$line"
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fi
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done
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}
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_fzf_bash_completion_parse_line() {
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_fzf_bash_completion_shell_split \
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| _fzf_bash_completion_parse_dq \
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| _fzf_bash_completion_flatten_subshells \
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| tr \\n \\0 \
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| "$_fzf_bash_completion_sed" -r "$(cat <<'EOF'
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# collapse newlines
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s/\x00\x00/\x00/g;
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# leave trailing space
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s/\x00(\s*)$/\n\1/;
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# A & B -> (A, &, B)
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s/([^&\n\x00])&([^&\n\x00])/\1\n\&\n\2/g;
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# > B -> (>, B)
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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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# clear up until the a keyword starting a new command
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# except the last line isn't a keyword, it may be the start of a command
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s/^(.*[\x00\n])?(\[\[|case|do|done|elif|else|esac|fi|for|function|if|in|select|then|time|until|while|&|;|&&|\|[|&]?)\x00//;
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# remove ENVVAR=VALUE
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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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if [[ "$2" =~ .*\$(\{?)([A-Za-z0-9_]*)$ ]]; then
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printf '%s\n' 'complete -F _fzf_bash_completion_complete_variables'
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elif [[ "$COMP_CWORD" == 0 && -z "$2" ]]; then
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# If the command word is the empty string (completion attempted at the beginning of an empty line), any compspec defined with the -E option to complete is used.
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complete -p -E || { ! shopt -q no_empty_cmd_completion && printf '%s\n' 'complete -F _fzf_bash_completion_complete_commands -E'; }
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elif [[ "$COMP_CWORD" == 0 ]]; then
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complete -p -I || printf '%s\n' 'complete -F _fzf_bash_completion_complete_commands -I'
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else
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# If the command word is a full pathname, a compspec for the full pathname is searched for first. If no compspec is found for the full pathname, an attempt is made to find a compspec for the portion following the final slash. If those searches do not result in a compspec, any compspec defined with the -D option to complete is used as the default
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complete -p -- "$1" || complete -p -- "${1##*/}" || complete -p -D || printf '%s\n' 'complete -o filenames -F _fzf_bash_completion_fallback_completer'
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fi
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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_complete_commands() {
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# commands
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compopt -o filenames
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readarray -t COMPREPLY < <(compgen -abc -- "$2")
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}
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_fzf_bash_completion_complete_variables() {
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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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readarray -t COMPREPLY < <(compgen -v -P "$prefix" -S "${brace:+\}}" -- "$filter")
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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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# bail early if no_empty_cmd_completion
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if ! [[ "$READLINE_LINE" =~ [^[:space:]] ]] && shopt -q no_empty_cmd_completion; then
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return 1
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fi
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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 raw_comp_words=()
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local COMP_WORDS=() COMP_CWORD COMP_POINT COMP_LINE
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local COMP_TYPE=37 # % == indicates menu completion
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local line="${READLINE_LINE:0:READLINE_POINT}"
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local wordbreaks="$COMP_WORDBREAKS"
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wordbreaks="${wordbreaks//[]^]/\\&}"
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wordbreaks="${wordbreaks//[[:space:]]/}"
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if [[ "$line" =~ [^[:space:]] ]]; then
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readarray -t raw_comp_words < <(_fzf_bash_completion_parse_line <<<"$line")
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fi
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if [[ ${#raw_comp_words[@]} -gt 1 ]]; then
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_fzf_bash_completion_expand_alias "${raw_comp_words[@]}"
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fi
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readarray -t COMP_WORDS < <(printf '%s\n' "${raw_comp_words[@]}" | _fzf_bash_completion_unquote_strings)
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printf -v COMP_LINE '%s' "${COMP_WORDS[@]}"
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COMP_POINT="${#COMP_LINE}"
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# remove the ones that just spaces
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local i
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# iterate in reverse
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for (( i = ${#COMP_WORDS[@]}-2; i >= 0; i --)); do
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if ! [[ "${COMP_WORDS[i]}" =~ [^[:space:]] ]]; then
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COMP_WORDS=( "${COMP_WORDS[@]:0:i}" "${COMP_WORDS[@]:i+1}" )
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fi
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done
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# add an extra blank word if last word is just space
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if [[ "${#COMP_WORDS[@]}" = 0 ]]; then
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COMP_WORDS+=( '' )
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elif ! [[ "${COMP_WORDS[${#COMP_WORDS[@]}-1]}" =~ [^[:space:]] ]]; then
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COMP_WORDS[${#COMP_WORDS[@]}-1]=''
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fi
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COMP_CWORD="${#COMP_WORDS[@]}"
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(( COMP_CWORD-- ))
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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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if [[ "$cur" =~ ^[$wordbreaks]$ ]]; then
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cur=
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fi
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local raw_cur="${cur:+${raw_comp_words[-1]}}"
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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 "$raw_cur" ]; then
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line="${line::-${#raw_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} - ${#raw_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 "${FZF_TAB_COMPLETION_PROMPT:-> }$line" --nth 2 -d "$_FZF_COMPLETION_SEP" --ansi \
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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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raw_comp_words=( "${value[@]}" "${raw_comp_words[@]:1}" )
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fi
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fi
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}
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_fzf_bash_completion_auto_common_prefix() {
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if [ "$FZF_COMPLETION_AUTO_COMMON_PREFIX" = true ]; then
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local prefix item items prefix_len prefix_is_full input_len i
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IFS= read -r prefix && items=("$prefix") || return
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prefix_len="${#prefix}"
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prefix_is_full=1 # prefix == item
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input_len="$(( ${#1} ))"
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while [ "$prefix_len" != "$input_len" ] && IFS= read -r item && items+=("$item"); do
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for ((i=$input_len; i<$prefix_len; i++)); do
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if [[ "${item:i:1}" != "${prefix:i:1}" ]]; then
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prefix_len="$i"
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unset prefix_is_full
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break
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fi
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done
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if [ -z "$prefix_is_full" ] && [ -z "${item:i:1}" ]; then
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prefix_is_full=1
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fi
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done
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if [ "$prefix_len" != "$input_len" ]; then
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if [ "$FZF_COMPLETION_AUTO_COMMON_PREFIX_PART" == true ] || [ "$prefix_is_full" == 1 ]; then
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[ "${items[1]}" ] && printf 'compl_nospace=1\n'>&"${__evaled}" # no space if not only one
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printf %s\\n "${prefix:0:prefix_len}"
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return
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fi
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fi
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printf %s\\n "${items[@]}"
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fi
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cat
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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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local compspec
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if ! compspec="$(_fzf_bash_completion_compspec "$@" 2>/dev/null)"; then
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return
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fi
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eval "$(
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local _fzf_sentinel1=b5a0da60-3378-4afd-ba00-bc1c269bef68
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local _fzf_sentinel2=257539ae-7100-4cd8-b822-a1ef35335e88
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(
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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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exec {__evaled}>&1
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coproc (
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(
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# input from tty in case one of the completions wants fzf using $FZF_DEFAULT_COMMAND
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exec </dev/tty
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count=0
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_fzf_bash_completion_complete "$@"
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while (( $? == 124 )); do
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(( count ++ ))
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if (( count > 32 )); then
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echo "$1: possible retry loop" >/dev/tty
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break
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fi
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_fzf_bash_completion_complete "$@"
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done
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printf '%s\n' "$_FZF_COMPLETION_SEP$_fzf_sentinel1$_fzf_sentinel2"
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) | $_fzf_bash_completion_sed -un "/$_fzf_sentinel1$_fzf_sentinel2/q; p" \
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| _fzf_bash_completion_auto_common_prefix "$raw_cur" \
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| _fzf_bash_completion_unbuffered_awk '$0!="" && !x[$0]++' '$0 = "\x1b[37m" substr($0, 1, len) "\x1b[0m" sep substr($0, len+1)' -vlen="${#raw_cur}" -vsep="$_FZF_COMPLETION_SEP"
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)
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local coproc_pid="$COPROC_PID"
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value="$(_fzf_bash_completion_selector "$1" "$raw_cur" "$3" <&"${COPROC[0]}")"
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code="$?"
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value="$(<<<"$value" tr \\n \ )"
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value="${value% }"
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printf 'COMPREPLY=%q\n' "$value"
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printf 'code=%q\n' "$code"
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# kill descendant processes of coproc
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descend_process () {
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printf '%s\n' "$1"
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for pid in $(ps -ef | "$_fzf_bash_completion_awk" -v ppid="$1" '$3 == ppid { print $2 }'); do
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descend_process "$pid"
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done
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}
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kill -- $(descend_process "$coproc_pid") 2>/dev/null
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printf '%s\n' ": $_fzf_sentinel1$_fzf_sentinel2"
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) | $_fzf_bash_completion_sed -un "/$_fzf_sentinel1$_fzf_sentinel2/q; p"
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)" 2>/dev/null
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if [ "$code" = 0 ]; then
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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=() compspec=
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if ! compspec="$(_fzf_bash_completion_compspec "$@" 2>/dev/null)"; then
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return
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fi
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local args=( "$@" )
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eval "compspec=( $compspec )"
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set -- "${compspec[@]}"
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shift # remove the complete command
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while (( $# > 1 )); 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 ;;
|
|
-A)
|
|
local compgen_opts+=( "$1" "$2" )
|
|
shift ;;
|
|
-P)
|
|
local compl_prefix="$(_fzf_bash_completion_awk_escape "$2")"
|
|
shift ;;
|
|
-S)
|
|
local compl_suffix="$(_fzf_bash_completion_awk_escape "$2")"
|
|
shift ;;
|
|
-[a-z])
|
|
compgen_actions+=( "$1" )
|
|
;;
|
|
esac
|
|
shift
|
|
done
|
|
set -- "${args[@]}"
|
|
|
|
COMPREPLY=()
|
|
if [ -n "$compl_function" ]; then
|
|
"$compl_function" "$@" >/dev/null
|
|
if [ "$?" = 124 ]; then
|
|
local newcompspec
|
|
if ! newcompspec="$(_fzf_bash_completion_compspec "$@" 2>/dev/null)"; then
|
|
return
|
|
elif [ "$newcompspec" != "$compspec" ]; then
|
|
return 124
|
|
fi
|
|
"$compl_function" "$@" >/dev/null
|
|
fi
|
|
fi
|
|
|
|
if [[ "$compl_filenames" == 1 ]]; then
|
|
local dir_marker=_fzf_bash_completion_dir_marker
|
|
else
|
|
local dir_marker=cat
|
|
fi
|
|
|
|
printf 'compl_filenames=%q\n' "$compl_filenames" >&"${__evaled}"
|
|
printf 'compl_noquote=%q\n' "$compl_noquote" >&"${__evaled}"
|
|
printf 'compl_nospace=%q\n' "$compl_nospace" >&"${__evaled}"
|
|
|
|
(
|
|
(
|
|
if [ -n "${compgen_actions[*]}" ]; then
|
|
compgen "${compgen_actions[@]}" -- "$2"
|
|
fi
|
|
|
|
if [ -n "$compl_globpat" ]; then
|
|
printf %s\\n "$compl_globpat"
|
|
fi
|
|
|
|
if [ -n "$compl_wordlist" ]; then
|
|
eval "printf '%s\\n' $compl_wordlist"
|
|
fi
|
|
|
|
if [ -n "${COMPREPLY[*]}" ]; then
|
|
printf %s\\n "${COMPREPLY[@]}"
|
|
fi
|
|
|
|
if [ -n "$compl_command" ]; then
|
|
(
|
|
unset COMP_WORDS COMP_CWORD
|
|
export COMP_LINE="$COMP_LINE" COMP_POINT="$COMP_POINT" COMP_KEY="$COMP_KEY" COMP_TYPE="$COMP_TYPE"
|
|
eval "$compl_command"
|
|
)
|
|
fi
|
|
|
|
printf '\n'
|
|
) | _fzf_bash_completion_apply_xfilter "$compl_xfilter" \
|
|
| _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')" \
|
|
| if IFS= read -r line || (( ${#COMPREPLY[@]} )); then
|
|
([[ -z "$line" ]] || printf '%s\n' "$line"; cat) | _fzf_bash_completion_quote_filenames "$@"
|
|
else
|
|
# got no results
|
|
local compgen_opts=()
|
|
[ "$compl_bashdefault" = 1 ] && compgen_opts+=( -o bashdefault )
|
|
[ "$compl_default" = 1 ] && compgen_opts+=( -o default )
|
|
[ "$compl_dirnames" = 1 ] && compgen_opts+=( -o dirnames )
|
|
# don't double invoke fzf
|
|
if [ -n "${compgen_opts[*]}" ]; then
|
|
# these are all filenames
|
|
printf 'compl_filenames=1\n'>&"${__evaled}"
|
|
compgen "${compgen_opts[@]}" -- "$2" \
|
|
| compl_filenames=1 _fzf_bash_completion_quote_filenames "$@" \
|
|
| _fzf_bash_completion_dir_marker
|
|
fi
|
|
fi
|
|
|
|
if [ "$compl_plusdirs" = 1 ]; then
|
|
compgen -o dirnames -- "$2" \
|
|
| compl_filenames=1 _fzf_bash_completion_quote_filenames "$@" \
|
|
| _fzf_bash_completion_dir_marker
|
|
fi
|
|
) \
|
|
| "$dir_marker"
|
|
}
|
|
|
|
_fzf_bash_completion_apply_xfilter() {
|
|
if [ -z "$1" ]; then
|
|
cat
|
|
return
|
|
fi
|
|
|
|
local pattern line word="$cur"
|
|
word="${word//\//\\/}"
|
|
word="${word//&/\\&}"
|
|
# replace any unescaped & with the word being completed
|
|
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 expanded
|
|
while IFS= read -r line; do
|
|
expanded="$line"
|
|
|
|
# adapted from __expand_tilde_by_ref
|
|
if [[ "$expanded" == \~* ]]; then
|
|
eval "$(printf expanded=~%q "${expanded:1}")"
|
|
fi
|
|
|
|
if [[ "$compl_noquote" != 1 && "$expanded" == *\\* ]]; then
|
|
expanded="$("$_fzf_bash_completion_sed" -r 's/\\(.)/\1/g' <<<"$expanded")"
|
|
fi
|
|
|
|
[ -d "$expanded" ] && line="${line%/}/"
|
|
printf '%s\n' "$line"
|
|
done
|
|
}
|
|
|
|
_fzf_bash_completion_quote_filenames() {
|
|
if [ "$compl_noquote" != 1 -a "$compl_filenames" = 1 ]; then
|
|
local IFS line
|
|
while IFS= read -r line; do
|
|
if [ "${line::1}" = '~' ]; then
|
|
printf '~%q\n' "${line:1}"
|
|
else
|
|
printf '%q\n' "$line"
|
|
fi
|
|
done
|
|
else
|
|
cat
|
|
fi
|
|
}
|
|
|
|
_fzf_bash_completion_compopt() {
|
|
while [ "$#" -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
|
|
}
|