skim 5.8.0

Fuzzy Finder in rust!
Documentation
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# skim key bindings for bash
#
# - $SKIM_TMUX_OPTS
# - $SKIM_CTRL_T_COMMAND
# - $SKIM_CTRL_T_OPTS
# - $SKIM_CTRL_R_OPTS
# - $SKIM_CTRL_R_IDX_COLOR  (default: \033[2m, set NO_COLOR to disable)
# - $SKIM_ALT_C_COMMAND
# - $SKIM_ALT_C_OPTS
# - $SKIM_COMPLETION_TRIGGER (default: '**')
# - $SKIM_COMPLETION_OPTS    (default: empty)

# Key bindings
# ------------
__skim_select__() {
	local cmd="${SKIM_CTRL_T_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
    -o -type f -print \
    -o -type d -print \
    -o -type l -print 2> /dev/null | cut -b3-"}"
	eval "$cmd" | SKIM_DEFAULT_OPTIONS="--reverse $SKIM_DEFAULT_OPTIONS $SKIM_CTRL_T_OPTS" $(__skimcmd) --popup-name='skim: files' -m "$@" | while read -r item; do
		printf '%q ' "$item"
	done
	echo
}

if [[ $- =~ i ]]; then

	__skimcmd() {
		[ -n "$TMUX_PANE" ] && { [ "${SKIM_TMUX:-0}" != 0 ] || [ -n "$SKIM_TMUX_OPTS" ]; } &&
			echo "sk --tmux=${SKIM_TMUX_OPTS:-center,${SKIM_TMUX_HEIGHT:-40%}}" || echo "sk"
	}

	skim-file-widget() {
		local selected="$(__skim_select__)"
		READLINE_LINE="${READLINE_LINE:0:$READLINE_POINT}$selected${READLINE_LINE:$READLINE_POINT}"
		READLINE_POINT=$((READLINE_POINT + ${#selected}))
	}

	__skim_cd__() {
		local cmd dir
		cmd="${SKIM_ALT_C_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
    -o -type d -printf '%P\\n' 2>/dev/null"}"
		dir=$(eval "$cmd" | SKIM_DEFAULT_OPTIONS="--reverse $SKIM_DEFAULT_OPTIONS $SKIM_ALT_C_OPTS" $(__skimcmd) --popup-name='skim: directories' --no-multi)
		if [ -n "$dir" ]; then
		  printf 'cd %q' "$dir"
		fi
	}

	__skim_history__() {
		local output
		local c_idx='' c_reset='' ansi_opt=''
		if [[ ! -v NO_COLOR ]]; then
			c_idx="${SKIM_CTRL_R_IDX_COLOR:-\033[2m}"
			c_reset='\033[0m'
			ansi_opt='--ansi'
		fi
		output=$(
			builtin fc -lnr -2147483648 |
				last_hist=$(HISTTIMEFORMAT='' builtin history 1) awk -v last_hist="$last_hist" -v c_idx="$c_idx" -v c_reset="$c_reset" '
        BEGIN { HISTCMD = last_hist + 1; cmd = ""; idx = 0 }
        /^\t/ {
          if (cmd != "" && !seen[cmd]++) printf "%s%d%s\t%s%c", c_idx, HISTCMD - idx, c_reset, cmd, 0
          idx++; cmd = substr($0, 2); sub(/^[ *]/, "", cmd); next
        }
        { cmd = cmd "\n" $0 }
        END { if (cmd != "" && !seen[cmd]++) printf "%s%d%s\t%s%c", c_idx, HISTCMD - idx, c_reset, cmd, 0 }
      ' |
				SKIM_DEFAULT_OPTIONS="$SKIM_DEFAULT_OPTIONS -n2..,.. --bind=ctrl-r:toggle-sort $SKIM_CTRL_R_OPTS --no-multi --read0 --multiline $ansi_opt" $(__skimcmd) --popup-name='skim: command history' --query "$READLINE_LINE"
		) || return
		echo -e "\033[0m"
		READLINE_LINE=${output#*$'\t'}
		if [ -z "$READLINE_POINT" ]; then
			echo "$READLINE_LINE"
		else
			READLINE_POINT=0x7fffffff
		fi
	}

	# Required to refresh the prompt after skim
	bind -m emacs-standard '"\er": redraw-current-line'

	bind -m vi-command '"\C-z": emacs-editing-mode'
	bind -m vi-insert '"\C-z": emacs-editing-mode'
	bind -m emacs-standard '"\C-z": vi-editing-mode'

	if [ "${BASH_VERSINFO[0]}" -lt 4 ]; then
		# CTRL-T - Paste the selected file path into the command line
		bind -m emacs-standard '"\C-t": " \C-b\C-k \C-u`__skim_select__`\e\C-e\er\C-a\C-y\C-h\C-e\e \C-y\ey\C-x\C-x\C-f"'
		bind -m vi-command '"\C-t": "\C-z\C-t\C-z"'
		bind -m vi-insert '"\C-t": "\C-z\C-t\C-z"'

		# CTRL-R - Paste the selected command from history into the command line
		bind -m emacs-standard '"\C-r": "\C-e \C-u\C-y\ey\C-u"$(__skim_history__)"\e\C-e\er"'
		bind -m vi-command '"\C-r": "\C-z\C-r\C-z"'
		bind -m vi-insert '"\C-r": "\C-z\C-r\C-z"'
	else
		# CTRL-T - Paste the selected file path into the command line
		bind -m emacs-standard -x '"\C-t": skim-file-widget'
		bind -m vi-command -x '"\C-t": skim-file-widget'
		bind -m vi-insert -x '"\C-t": skim-file-widget'

		# CTRL-R - Paste the selected command from history into the command line
		bind -m emacs-standard -x '"\C-r": __skim_history__'
		bind -m vi-command -x '"\C-r": __skim_history__'
		bind -m vi-insert -x '"\C-r": __skim_history__'
	fi

	# ALT-C - cd into the selected directory
	bind -m emacs-standard '"\ec": " \C-b\C-k \C-u`__skim_cd__`\e\C-e\er\C-m\C-y\C-h\e \C-y\ey\C-x\C-x\C-d"'
	bind -m vi-command '"\ec": "\C-z\ec\C-z"'
	bind -m vi-insert '"\ec": "\C-z\ec\C-z"'

	# Completion

	if ! declare -f _skim_compgen_path >/dev/null; then
		_skim_compgen_path() {
			echo "$1"
			command find -L "$1" \
				-name .git -prune -o -name .hg -prune -o -name .svn -prune -o \( -type d -o -type f -o -type l \) \
				-a -not -path "$1" -print 2>/dev/null | sed 's@^\./@@'
		}
	fi

	if ! declare -f _skim_compgen_dir >/dev/null; then
		_skim_compgen_dir() {
			command find -L "$1" \
				-name .git -prune -o -name .hg -prune -o -name .svn -prune -o -type d \
				-a -not -path "$1" -print 2>/dev/null | sed 's@^\./@@'
		}
	fi

	###########################################################

	__skim_comprun() {
		if [ "$(type -t _skim_comprun 2>&1)" = function ]; then
			_skim_comprun "$@"
		elif [ -n "$TMUX_PANE" ] && { [ "${SKIM_TMUX:-0}" != 0 ] || [ -n "$SKIM_TMUX_OPTS" ]; }; then
			# Name the popup after the command being completed, when known.
			local name="$1" name_opt=()
			shift
			[ -n "$name" ] && name_opt=(--popup-name="skim: $name")
			sk --tmux=${SKIM_TMUX_OPTS:-center,${SKIM_TMUX_HEIGHT:-40%}} "${name_opt[@]}" "$@"
		else
			shift
			sk "$@"
		fi
	}

	__skim_orig_completion_filter() {
		sed 's/^\(.*-F\) *\([^ ]*\).* \([^ ]*\)$/export _skim_orig_completion_\3="\1 %s \3 #\2"; [[ "\1" = *" -o nospace "* ]] \&\& [[ ! "$__skim_nospace_commands" = *" \3 "* ]] \&\& __skim_nospace_commands="$__skim_nospace_commands \3 ";/' |
			awk -F= '{OFS = FS} {gsub(/[^A-Za-z0-9_= ;]/, "_", $1);}1'
	}

	_skim_handle_dynamic_completion() {
		local cmd orig_var orig ret orig_cmd orig_complete
		cmd="$1"
		shift
		orig_cmd="$1"
		orig_var="_skim_orig_completion_$cmd"
		orig="${!orig_var##*#}"
		if [ -n "$orig" ] && type "$orig" >/dev/null 2>&1; then
			$orig "$@"
		elif [ -n "$_skim_completion_loader" ]; then
			orig_complete=$(complete -p "$orig_cmd" 2>/dev/null)
			_completion_loader "$@"
			ret=$?
			# _completion_loader may not have updated completion for the command
			if [ "$(complete -p "$orig_cmd" 2>/dev/null)" != "$orig_complete" ]; then
				eval "$(complete | command grep " -F.* $orig_cmd$" | __skim_orig_completion_filter)"
				if [[ "$__skim_nospace_commands" = *" $orig_cmd "* ]]; then
					eval "${orig_complete/ -F / -o nospace -F }"
				else
					eval "$orig_complete"
				fi
			fi
			return $ret
		fi
	}

	__skim_generic_path_completion() {
		local cur base dir leftover matches trigger cmd
		cmd="${COMP_WORDS[0]//[^A-Za-z0-9_=]/_}"
		COMPREPLY=()
		trigger=${SKIM_COMPLETION_TRIGGER-'**'}
		cur="${COMP_WORDS[COMP_CWORD]}"
		if [[ "$cur" == *"$trigger" ]]; then
			base=${cur:0:${#cur}-${#trigger}}
			eval "base=$base"

			[[ $base = *"/"* ]] && dir="$base"
			while true; do
				if [ -z "$dir" ] || [ -d "$dir" ]; then
					leftover=${base/#"$dir"/}
					leftover=${leftover/#\//}
					[ -z "$dir" ] && dir='.'
					[ "$dir" != "/" ] && dir="${dir/%\//}"
					matches=$(eval "$1 $(printf %q "$dir")" | SKIM_DEFAULT_OPTIONS="--reverse $SKIM_DEFAULT_OPTIONS $SKIM_COMPLETION_OPTS $2" __skim_comprun "$4" -q "$leftover" | while read -r item; do
						printf "%q$3 " "$item"
					done)
					matches=${matches% }
					[[ -z "$3" ]] && [[ "$__skim_nospace_commands" = *" ${COMP_WORDS[0]} "* ]] && matches="$matches "
					if [ -n "$matches" ]; then
						COMPREPLY=("$matches")
					else
						COMPREPLY=("$cur")
					fi
					# To redraw line after skim closes (printf '\e[5n')
					bind '"\e[0n": redraw-current-line'
					printf '\e[5n'
					return 0
				fi
				dir=$(dirname "$dir")
				[[ "$dir" =~ /$ ]] || dir="$dir"/
			done
		else
			shift
			shift
			shift
			_skim_handle_dynamic_completion "$cmd" "$@"
		fi
	}

	_skim_complete() {
		# Split arguments around --
		local args rest str_arg i sep
		args=("$@")
		sep=
		for i in "${!args[@]}"; do
			if [[ "${args[$i]}" = -- ]]; then
				sep=$i
				break
			fi
		done
		if [[ -n "$sep" ]]; then
			str_arg=
			rest=("${args[@]:$((sep + 1)):${#args[@]}}")
			args=("${args[@]:0:$sep}")
		else
			str_arg=$1
			args=()
			shift
			rest=("$@")
		fi

		local cur selected trigger cmd post
		post="$(caller 0 | awk '{print $2}')_post"
		type -t "$post" >/dev/null 2>&1 || post=cat

		cmd="${COMP_WORDS[0]//[^A-Za-z0-9_=]/_}"
		trigger=${SKIM_COMPLETION_TRIGGER-'**'}
		cur="${COMP_WORDS[COMP_CWORD]}"
		if [[ "$cur" == *"$trigger" ]]; then
			cur=${cur:0:${#cur}-${#trigger}}

			selected=$(SKIM_DEFAULT_OPTIONS="--reverse $SKIM_DEFAULT_OPTIONS $SKIM_COMPLETION_OPTS $str_arg" __skim_comprun "${rest[0]}" "${args[@]}" -q "$cur" | $post | tr '\n' ' ')
			selected=${selected% } # Strip trailing space not to repeat "-o nospace"
			if [ -n "$selected" ]; then
				COMPREPLY=("$selected")
			else
				COMPREPLY=("$cur")
			fi
			# To redraw line after skim closes (printf '\e[5n')
			bind '"\e[0n": redraw-current-line'
			printf '\e[5n'
			echo -e "\033[0m"
			return 0
		else
			_skim_handle_dynamic_completion "$cmd" "${rest[@]}"
		fi
	}

	_skim_path_completion() {
		__skim_generic_path_completion _skim_compgen_path "-m" "" "$@"
	}

	# Deprecated. No file only completion.
	_skim_file_completion() {
		_skim_path_completion "$@"
	}

	_skim_dir_completion() {
		__skim_generic_path_completion _skim_compgen_dir "" "/" "$@"
	}

	_skim_complete_kill() {
		local trigger=${SKIM_COMPLETION_TRIGGER-'**'}
		local cur="${COMP_WORDS[COMP_CWORD]}"
		if [[ -z "$cur" ]]; then
			COMP_WORDS[$COMP_CWORD]=$trigger
		elif [[ "$cur" != *"$trigger" ]]; then
			return 1
		fi

		_skim_proc_completion "$@"
	}

	_skim_proc_completion() {
		_skim_complete -m --preview 'echo {}' --preview-window down:3:wrap --min-height 15 -- "$@" < <(
			command ps -ef | sed 1d
		)
	}

	_skim_proc_completion_post() {
		awk '{print $2}'
	}

	_skim_host_completion() {
		_skim_complete --no-multi -- "$@" < <(
			command cat <(command tail -n +1 ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2>/dev/null | command grep -i '^\s*host\(name\)\? ' | awk '{for (i = 2; i <= NF; i++) print $1 " " $i}' | command grep -v '[*?]') \
				<(command grep -soE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts | tr ',' '\n' | tr -d '[' | awk '{ print $1 " " $1 }') \
				<(command grep -sv '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0') |
				awk '{if (length($2) > 0) {print $2}}' | sort -u
		)
	}

	_skim_var_completion() {
		_skim_complete -m -- "$@" < <(
			declare -xp | sed 's/=.*//' | sed 's/.* //'
		)
	}

	_skim_alias_completion() {
		_skim_complete -m -- "$@" < <(
			alias | sed 's/=.*//' | sed 's/.* //'
		)
	}

	d_cmds="${SKIM_COMPLETION_DIR_COMMANDS:-cd pushd rmdir}"
	a_cmds="
  awk cat diff diff3
  emacs emacsclient ex file ftp g++ gcc gvim head hg java
  javac ld less more mvim nvim patch perl python ruby
  sed sftp sort source tail tee uniq vi view vim wc xdg-open
  basename bunzip2 bzip2 chmod chown curl cp dirname du
  find git grep gunzip gzip hg jar
  ln ls mv open rm rsync scp
  svn tar unzip zip"

	# Preserve existing completion
	eval "$(complete |
		sed -E '/-F/!d; / _skim/d; '"/ ($(echo $d_cmds $a_cmds | sed 's/ /|/g; s/+/\\+/g'))$/"'!d' |
		__skim_orig_completion_filter)"

	if type _completion_loader >/dev/null 2>&1; then
		_skim_completion_loader=1
	fi

	__skim_defc() {
		local cmd func opts orig_var orig def
		cmd="$1"
		func="$2"
		opts="$3"
		orig_var="_skim_orig_completion_${cmd//[^A-Za-z0-9_]/_}"
		orig="${!orig_var}"
		if [ -n "$orig" ]; then
			printf -v def "$orig" "$func"
			eval "$def"
		else
			complete -F "$func" $opts "$cmd"
		fi
	}

	# Anything
	for cmd in $a_cmds; do
		__skim_defc "$cmd" _skim_path_completion "-o default -o bashdefault"
	done

	# Directory
	for cmd in $d_cmds; do
		__skim_defc "$cmd" _skim_dir_completion "-o nospace -o dirnames"
	done

	# Kill completion (supports empty completion trigger)
	complete -F _skim_complete_kill -o default -o bashdefault kill

	unset cmd d_cmds a_cmds

	_skim_setup_completion() {
		local kind fn cmd
		kind=$1
		fn=_skim_${1}_completion
		if [[ $# -lt 2 ]] || ! type -t "$fn" >/dev/null; then
			echo "usage: ${FUNCNAME[0]} path|dir|var|alias|host|proc COMMANDS..."
			return 1
		fi
		shift
		eval "$(complete -p "$@" 2>/dev/null | grep -v "$fn" | __skim_orig_completion_filter)"
		for cmd in "$@"; do
			case "$kind" in
			dir) __skim_defc "$cmd" "$fn" "-o nospace -o dirnames" ;;
			var) __skim_defc "$cmd" "$fn" "-o default -o nospace -v" ;;
			alias) __skim_defc "$cmd" "$fn" "-a" ;;
			*) __skim_defc "$cmd" "$fn" "-o default -o bashdefault" ;;
			esac
		done
	}

	# Environment variables / Aliases / Hosts
	_skim_setup_completion 'var' export unset
	_skim_setup_completion 'alias' unalias
	_skim_setup_completion 'host' ssh telnet

fi