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# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ key-bindings.fish
#
# - $FZF_TMUX_OPTS
# - $FZF_CTRL_T_COMMAND
# - $FZF_CTRL_T_OPTS
# - $FZF_CTRL_R_OPTS
# - $FZF_ALT_C_COMMAND
# - $FZF_ALT_C_OPTS
# Key bindings
# ------------
function fzf_key_bindings
function __fzf_defaults
# $1: Prepend to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
# $2: Append to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
echo "--height $FZF_TMUX_HEIGHT --min-height 20+ --bind=ctrl-z:ignore" $argv[1]
test -r "$FZF_DEFAULT_OPTS_FILE"; and string collect -N -- <$FZF_DEFAULT_OPTS_FILE
echo $FZF_DEFAULT_OPTS $argv[2]
end
# Store current token in $dir as root for the 'find' command
function fzf-file-widget -d "List files and folders"
set -l commandline (__fzf_parse_commandline)
set -lx dir $commandline[1]
set -l fzf_query $commandline[2]
set -l prefix $commandline[3]
set -l result
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
begin
set -lx FZF_DEFAULT_OPTS (__fzf_defaults "--reverse --walker=file,dir,follow,hidden --scheme=path --walker-root=$dir" "$FZF_CTRL_T_OPTS")
set -lx FZF_DEFAULT_COMMAND "$FZF_CTRL_T_COMMAND"
set -lx FZF_DEFAULT_OPTS_FILE ''
set result (eval (__fzfcmd) -m --query=$fzf_query)
end
if test -z "$result"
commandline -f repaint
return
else
# Remove last token from commandline.
commandline -t ""
end
for i in $result
commandline -it -- $prefix
commandline -it -- (string escape -- $i)
commandline -it -- ' '
end
commandline -f repaint
end
function fzf-history-widget -d "Show command history"
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
begin
# merge history from other sessions before searching
test -z "$fish_private_mode"; and builtin history merge
set -lx FZF_DEFAULT_OPTS (__fzf_defaults "" "-n2..,.. --scheme=history --bind=ctrl-r:toggle-sort --wrap-sign '"\t"↳ ' --highlight-line +m $FZF_CTRL_R_OPTS")
set -lx FZF_DEFAULT_OPTS_FILE ''
set -lx FZF_DEFAULT_COMMAND
set -a -- FZF_DEFAULT_OPTS --with-shell=(status fish-path)\\ -c
if type -q perl
set -a FZF_DEFAULT_OPTS '--tac'
set FZF_DEFAULT_COMMAND 'builtin history -z --reverse | command perl -0 -pe \'s/^/$.\t/g; s/\n/\n\t/gm\''
else
set FZF_DEFAULT_COMMAND \
'set -l h (builtin history -z --reverse | string split0);' \
'for i in (seq (count $h) -1 1);' \
'string join0 -- $i\t(string replace -a -- \n \n\t $h[$i] | string collect);' \
'end'
end
set -l result (eval $FZF_DEFAULT_COMMAND \| (__fzfcmd) --read0 --print0 -q (commandline | string escape) "--bind=enter:become:'string replace -a -- \n\t \n {2..} | string collect'")
and commandline -- $result
end
commandline -f repaint
end
function fzf-cd-widget -d "Change directory"
set -l commandline (__fzf_parse_commandline)
set -lx dir $commandline[1]
set -l fzf_query $commandline[2]
set -l prefix $commandline[3]
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
begin
set -lx FZF_DEFAULT_OPTS (__fzf_defaults "--reverse --walker=dir,follow,hidden --scheme=path --walker-root=$dir" "$FZF_ALT_C_OPTS")
set -lx FZF_DEFAULT_OPTS_FILE ''
set -lx FZF_DEFAULT_COMMAND "$FZF_ALT_C_COMMAND"
set -l result (eval (__fzfcmd) +m --query=$fzf_query)
if test -n "$result"
cd -- $result
# Remove last token from commandline.
commandline -t ""
commandline -it -- $prefix
end
end
commandline -f repaint
end
function __fzfcmd
test -n "$FZF_TMUX"; or set FZF_TMUX 0
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
if test -n "$FZF_TMUX_OPTS"
echo "fzf-tmux $FZF_TMUX_OPTS -- "
else if test "$FZF_TMUX" = "1"
echo "fzf-tmux -d$FZF_TMUX_HEIGHT -- "
else
echo "fzf"
end
end
bind \cr fzf-history-widget
if not set -q FZF_CTRL_T_COMMAND; or test -n "$FZF_CTRL_T_COMMAND"
bind \ct fzf-file-widget
end
if not set -q FZF_ALT_C_COMMAND; or test -n "$FZF_ALT_C_COMMAND"
bind \ec fzf-cd-widget
end
bind -M insert \cr fzf-history-widget
if not set -q FZF_CTRL_T_COMMAND; or test -n "$FZF_CTRL_T_COMMAND"
bind -M insert \ct fzf-file-widget
end
if not set -q FZF_ALT_C_COMMAND; or test -n "$FZF_ALT_C_COMMAND"
bind -M insert \ec fzf-cd-widget
end
function __fzf_parse_commandline -d 'Parse the current command line token and return split of existing filepath, fzf query, and optional -option= prefix'
set -l commandline (commandline -t)
# strip -option= from token if present
set -l prefix (string match -r -- '^-[^\s=]+=' $commandline)
set commandline (string replace -- "$prefix" '' $commandline)
# Enable home directory expansion of leading ~/
set commandline (string replace -r -- '^~/' '\$HOME/' $commandline)
# escape special characters, except for the $ sign of valid variable names,
# so that after eval, the original string is returned, but with the
# variable names replaced by their values.
set commandline (string escape -n -- $commandline)
set commandline (string replace -r -a -- '\x5c\$(?=[\w])' '\$' $commandline)
# eval is used to do shell expansion on paths
eval set commandline $commandline
# Combine multiple consecutive slashes into one, and unescape.
set commandline (string replace -r -a -- '/+' '/' $commandline | string unescape -n)
if test -z "$commandline"
# Default to current directory with no --query
set dir '.'
set fzf_query ''
else
set dir (__fzf_get_dir $commandline)
# BUG: on combined expressions, if a left argument is a single `!`, the
# builtin test command of fish will treat it as the ! operator. To
# overcome this, have the variable parts on the right.
if test "." = "$dir" -a "./" != (string sub -l 2 -- $commandline)
# if $dir is "." but commandline is not a relative path, this means no file path found
set fzf_query $commandline
else
# Also remove trailing slash after dir, to "split" input properly
set fzf_query (string replace -r -- "^$dir/?" '' $commandline)
end
end
echo -- $dir
string escape -- $fzf_query
echo -- $prefix
end
function __fzf_get_dir -d 'Find the longest existing filepath from input string'
set dir $argv
# Strip trailing slash, unless $dir is root dir (/)
set dir (string replace -r -- '(?<!^)/$' '' $dir)
# Iteratively check if dir exists and strip tail end of path
while test ! -d "$dir"
# If path is absolute, this can keep going until ends up at /
# If path is relative, this can keep going until entire input is consumed, dirname returns "."
set dir (dirname -- "$dir")
end
string escape -n -- $dir
end
end
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