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147 lines
5.4 KiB
Bash
147 lines
5.4 KiB
Bash
# ____ ____
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# / __/___ / __/
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# / /_/_ / / /_
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# / __/ / /_/ __/
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# /_/ /___/_/ key-bindings.bash
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#
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# - $FZF_TMUX_OPTS
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# - $FZF_CTRL_T_COMMAND
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# - $FZF_CTRL_T_OPTS
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# - $FZF_CTRL_R_OPTS
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# - $FZF_ALT_C_COMMAND
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# - $FZF_ALT_C_OPTS
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if [[ $- =~ i ]]; then
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# Key bindings
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# ------------
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__fzf_defaults() {
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# $1: Prepend to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
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# $2: Append to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
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echo "--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore $1"
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command cat "${FZF_DEFAULT_OPTS_FILE-}" 2> /dev/null
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echo "${FZF_DEFAULT_OPTS-} $2"
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}
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__fzf_select__() {
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FZF_DEFAULT_COMMAND=${FZF_CTRL_T_COMMAND:-} \
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FZF_DEFAULT_OPTS=$(__fzf_defaults "--reverse --walker=file,dir,follow,hidden --scheme=path" "${FZF_CTRL_T_OPTS-} -m") \
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FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd) "$@" |
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while read -r item; do
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printf '%q ' "$item" # escape special chars
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done
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}
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__fzfcmd() {
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[[ -n "${TMUX_PANE-}" ]] && { [[ "${FZF_TMUX:-0}" != 0 ]] || [[ -n "${FZF_TMUX_OPTS-}" ]]; } &&
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echo "fzf-tmux ${FZF_TMUX_OPTS:--d${FZF_TMUX_HEIGHT:-40%}} -- " || echo "fzf"
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}
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fzf-file-widget() {
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local selected="$(__fzf_select__ "$@")"
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READLINE_LINE="${READLINE_LINE:0:$READLINE_POINT}$selected${READLINE_LINE:$READLINE_POINT}"
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READLINE_POINT=$(( READLINE_POINT + ${#selected} ))
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}
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__fzf_cd__() {
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local dir
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dir=$(
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FZF_DEFAULT_COMMAND=${FZF_ALT_C_COMMAND:-} \
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FZF_DEFAULT_OPTS=$(__fzf_defaults "--reverse --walker=dir,follow,hidden --scheme=path" "${FZF_ALT_C_OPTS-} +m") \
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FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd)
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) && printf 'builtin cd -- %q' "$(builtin unset CDPATH && builtin cd -- "$dir" && builtin pwd)"
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}
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if command -v perl > /dev/null; then
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__fzf_history__() {
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local output script
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script='BEGIN { getc; $/ = "\n\t"; $HISTCOUNT = $ENV{last_hist} + 1 } s/^[ *]//; print $HISTCOUNT - $. . "\t$_" if !$seen{$_}++'
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output=$(
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set +o pipefail
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builtin fc -lnr -2147483648 |
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last_hist=$(HISTTIMEFORMAT='' builtin history 1) command perl -n -l0 -e "$script" |
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FZF_DEFAULT_OPTS=$(__fzf_defaults "" "-n2..,.. --scheme=history --bind=ctrl-r:toggle-sort ${FZF_CTRL_R_OPTS-} +m --read0") \
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FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd) --query "$READLINE_LINE"
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) || return
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READLINE_LINE=${output#*$'\t'}
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if [[ -z "$READLINE_POINT" ]]; then
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echo "$READLINE_LINE"
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else
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READLINE_POINT=0x7fffffff
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fi
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}
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else # awk - fallback for POSIX systems
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__fzf_history__() {
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local output script n x y z d
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if [[ -z $__fzf_awk ]]; then
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__fzf_awk=awk
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# choose the faster mawk if: it's installed && build date >= 20230322 && version >= 1.3.4
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IFS=' .' read n x y z d <<< $(command mawk -W version 2> /dev/null)
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[[ $n == mawk ]] && (( d >= 20230302 && (x *1000 +y) *1000 +z >= 1003004 )) && __fzf_awk=mawk
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fi
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[[ $(HISTTIMEFORMAT='' builtin history 1) =~ [[:digit:]]+ ]] # how many history entries
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script='function P(b) { ++n; sub(/^[ *]/, "", b); if (!seen[b]++) { printf "%d\t%s%c", '$((BASH_REMATCH + 1))' - n, b, 0 } }
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NR==1 { b = substr($0, 2); next }
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/^\t/ { P(b); b = substr($0, 2); next }
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{ b = b RS $0 }
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END { if (NR) P(b) }'
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output=$(
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set +o pipefail
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builtin fc -lnr -2147483648 2> /dev/null | # ( $'\t '<lines>$'\n' )* ; <lines> ::= [^\n]* ( $'\n'<lines> )*
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command $__fzf_awk "$script" | # ( <counter>$'\t'<lines>$'\000' )*
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FZF_DEFAULT_OPTS=$(__fzf_defaults "" "-n2..,.. --scheme=history --bind=ctrl-r:toggle-sort ${FZF_CTRL_R_OPTS-} +m --read0") \
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FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd) --query "$READLINE_LINE"
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) || return
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READLINE_LINE=${output#*$'\t'}
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if [[ -z "$READLINE_POINT" ]]; then
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echo "$READLINE_LINE"
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else
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READLINE_POINT=0x7fffffff
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fi
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}
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fi
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# Required to refresh the prompt after fzf
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bind -m emacs-standard '"\er": redraw-current-line'
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bind -m vi-command '"\C-z": emacs-editing-mode'
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bind -m vi-insert '"\C-z": emacs-editing-mode'
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bind -m emacs-standard '"\C-z": vi-editing-mode'
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if (( BASH_VERSINFO[0] < 4 )); then
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# CTRL-T - Paste the selected file path into the command line
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if [[ "${FZF_CTRL_T_COMMAND-x}" != "" ]]; then
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bind -m emacs-standard '"\C-t": " \C-b\C-k \C-u`__fzf_select__`\e\C-e\er\C-a\C-y\C-h\C-e\e \C-y\ey\C-x\C-x\C-f"'
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bind -m vi-command '"\C-t": "\C-z\C-t\C-z"'
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bind -m vi-insert '"\C-t": "\C-z\C-t\C-z"'
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fi
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# CTRL-R - Paste the selected command from history into the command line
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bind -m emacs-standard '"\C-r": "\C-e \C-u\C-y\ey\C-u`__fzf_history__`\e\C-e\er"'
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bind -m vi-command '"\C-r": "\C-z\C-r\C-z"'
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bind -m vi-insert '"\C-r": "\C-z\C-r\C-z"'
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else
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# CTRL-T - Paste the selected file path into the command line
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if [[ "${FZF_CTRL_T_COMMAND-x}" != "" ]]; then
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bind -m emacs-standard -x '"\C-t": fzf-file-widget'
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bind -m vi-command -x '"\C-t": fzf-file-widget'
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bind -m vi-insert -x '"\C-t": fzf-file-widget'
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fi
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# CTRL-R - Paste the selected command from history into the command line
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bind -m emacs-standard -x '"\C-r": __fzf_history__'
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bind -m vi-command -x '"\C-r": __fzf_history__'
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bind -m vi-insert -x '"\C-r": __fzf_history__'
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fi
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# ALT-C - cd into the selected directory
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if [[ "${FZF_ALT_C_COMMAND-x}" != "" ]]; then
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bind -m emacs-standard '"\ec": " \C-b\C-k \C-u`__fzf_cd__`\e\C-e\er\C-m\C-y\C-h\e \C-y\ey\C-x\C-x\C-d"'
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bind -m vi-command '"\ec": "\C-z\ec\C-z"'
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bind -m vi-insert '"\ec": "\C-z\ec\C-z"'
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fi
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fi
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