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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 --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 $commandline[3]
test -n "$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 "$FZF_CTRL_T_COMMAND"
set -lx FZF_DEFAULT_OPTS_FILE ''
eval (__fzfcmd) -m --query=$fzf_query | while read -l r; set -a result $r; end
end
if test -z "$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
set -l FISH_MAJOR (string split '.' -- $version)[1]
set -l FISH_MINOR (string split '.' -- $version)[2]
# merge history from other sessions before searching
test -z "$fish_private_mode"; and builtin history merge
# history's -z flag is needed for multi-line support.
# history's -z flag was added in fish 2.4.0, so don't use it for versions
# before 2.4.0.
if test "$FISH_MAJOR" -gt 2 -o \( "$FISH_MAJOR" -eq 2 -a "$FISH_MINOR" -ge 4 \)
set -lx FZF_DEFAULT_OPTS (__fzf_defaults "" "-n2..,.. --scheme=history --bind=ctrl-r:toggle-sort --wrap-sign '"\t"↳ ' --highlight-line $FZF_CTRL_R_OPTS +m")
set -lx FZF_DEFAULT_OPTS_FILE ''
if type -q perl
builtin history -z --reverse | command perl -0 -pe 's/^/$.\t/g; s/\n/\n\t/gm' | eval (__fzfcmd) --tac --read0 --print0 -q '(commandline)' | string replace -r '^\d*\t' '' | read -lz result
and commandline -- $result
else
set -l line 0
for i in (builtin history -z --reverse | string split0)
set line (math $line + 1)
string escape -n -- $line\t$i
end | string join0 | string replace -a '\n' '\n\t' | string unescape -n | eval (__fzfcmd) --tac --read0 --print0 -q '(commandline)' | string replace -r '^\d*\t' '' | read -lz result
and commandline -- $result
end
else
builtin history | eval (__fzfcmd) -q '(commandline)' | read -l result
and commandline -- $result
end
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 "$FZF_ALT_C_COMMAND"
eval (__fzfcmd) +m --query=$fzf_query | read -l result
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 "$FZF_ALT_C_COMMAND"
bind \ec fzf-cd-widget
end
if bind -M insert &> /dev/null
bind -M insert \cr fzf-history-widget
if not set -q FZF_CTRL_T_COMMAND; or test -n "$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
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)
# 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
set commandline (string replace -r -a '/+' '/' -- $commandline)
if test -z "$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 1 -- $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 (string escape -- $dir)
echo (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
echo $dir
end
end
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