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[bash] Start C-r search with current command line (#1886)

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Restore the original line when search is aborted. Add --query
"$READLINE_LINE" and fall back to the current behavior pre Bash 4.

Co-authored-by: Junegunn Choi <junegunn.c@gmail.com>
This commit is contained in:
Jack Bates
2020-02-28 02:47:13 -07:00
committed by GitHub
parent 7bf1f2cc84
commit 7c447bbdc7
3 changed files with 64 additions and 54 deletions
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67
shell/key-bindings.bash
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@@ -51,47 +51,56 @@ __fzf_cd__() {
dir=$(eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_ALT_C_OPTS" $(__fzfcmd) +m) && printf 'cd %q' "$dir"
}
__fzf_history__() (
local line
line=$(
__fzf_history__() {
local output
output=$(
builtin fc -lnr -2147483648 |
perl -p -l0 -e 'BEGIN { getc; $/ = "\n\t" } s/^[ *]//; $_ = '"$1"' - $. . "\t$_"' |
FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} $FZF_DEFAULT_OPTS --tiebreak=index --bind=ctrl-r:toggle-sort $FZF_CTRL_R_OPTS +m --read0" $(__fzfcmd)
)
echo "${line#*$'\t'}"
)
last_hist=$(HISTTIMEFORMAT='' builtin history 1) perl -p -l0 -e 'BEGIN { getc; $/ = "\n\t"; $HISTCMD = $ENV{last_hist} + 1 } s/^[ *]//; $_ = $HISTCMD - $. . "\t$_"' |
FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} $FZF_DEFAULT_OPTS --tiebreak=index --bind=ctrl-r:toggle-sort $FZF_CTRL_R_OPTS +m --query $(printf %q "$READLINE_LINE") --read0" $(__fzfcmd)
) || return
READLINE_LINE=${output#*$'\t'}
if [ -z "$READLINE_POINT" ]; then
echo "$READLINE_LINE"
else
READLINE_POINT=0x7fffffff
fi
}
# Required to refresh the prompt after fzf
bind -m emacs-standard '"\er": redraw-current-line'
# CTRL-T - Paste the selected file path into the command line
if [ $BASH_VERSINFO -gt 3 ]; then
bind -m emacs-standard -x '"\C-t": "fzf-file-widget"'
elif __fzf_use_tmux__; then
bind -m emacs-standard '"\C-t": " \C-b\C-k \C-u`__fzf_select_tmux__`\e\C-e\C-a\C-y\C-h\C-e\e \C-y\ey\C-x\C-x\C-f"'
else
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"'
fi
# 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__fzf_history__ $HISTCMD\e\C-e`"\C-a"`\C-e\e\C-e\er"'
# ALT-C - cd into the selected directory
bind -m emacs-standard '"\ec": " \C-b\C-k \C-u`__fzf_cd__`\e\C-e\er\C-m\C-y\C-h\e \C-y\ey\C-x\C-x\C-d"'
bind -m vi-command '"\C-z": emacs-editing-mode'
bind -m vi-insert '"\C-z": emacs-editing-mode'
bind -m emacs-standard '"\C-z": vi-editing-mode'
# CTRL-T - Paste the selected file path into the command line
bind -m vi-command '"\C-t": "\C-z\C-t\C-z"'
bind -m vi-insert '"\C-t": "\C-z\C-t\C-z"'
if [ "${BASH_VERSINFO[0]}" -lt 4 ]; then
# CTRL-T - Paste the selected file path into the command line
if __fzf_use_tmux__; then
bind -m emacs-standard '"\C-t": " \C-b\C-k \C-u`__fzf_select_tmux__`\e\C-e\C-a\C-y\C-h\C-e\e \C-y\ey\C-x\C-x\C-f"'
else
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"'
fi
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 vi-command '"\C-r": "\C-z\C-r\C-z"'
bind -m vi-insert '"\C-r": "\C-z\C-r\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"$(__fzf_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": fzf-file-widget'
bind -m vi-command -x '"\C-t": fzf-file-widget'
bind -m vi-insert -x '"\C-t": fzf-file-widget'
# CTRL-R - Paste the selected command from history into the command line
bind -m emacs-standard -x '"\C-r": __fzf_history__'
bind -m vi-command -x '"\C-r": __fzf_history__'
bind -m vi-insert -x '"\C-r": __fzf_history__'
fi
# ALT-C - cd into the selected directory
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"'
bind -m vi-command '"\ec": "\C-z\ec\C-z"'
bind -m vi-insert '"\ec": "\C-z\ec\C-z"'