mirror of
https://github.com/junegunn/fzf.git
synced 2026-04-11 02:14:20 +08:00
220 lines
8.8 KiB
Fish
220 lines
8.8 KiB
Fish
# ____ ____
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# / __/___ / __/
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# / /_/_ / / /_
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# / __/ / /_/ __/
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# /_/ /___/_/ key-bindings.fish
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#
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# - $FZF_CTRL_T_COMMAND
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# - $FZF_CTRL_T_OPTS
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# - $FZF_CTRL_R_COMMAND
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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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# Key bindings
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# ------------
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function fzf_key_bindings
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# The oldest supported fish version is 3.4.0. For this message being able to be
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# displayed on older versions, the command substitution syntax $() should not
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# be used anywhere in the script, otherwise the source command will fail.
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if string match -qr -- '^[12]\\.|^3\\.[0-3]' $version
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echo "fzf key bindings script requires fish version 3.4.0 or newer." >&2
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return 1
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else if not command -q fzf
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echo "fzf was not found in path." >&2
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return 1
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end
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function __fzf_defaults
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# $argv[1]: Prepend to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
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# $argv[2..]: Append to FZF_DEFAULT_OPTS_FILE and FZF_DEFAULT_OPTS
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test -n "$FZF_TMUX_HEIGHT"; or set -l FZF_TMUX_HEIGHT 40%
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string join ' ' -- \
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"--height $FZF_TMUX_HEIGHT --min-height=20+ --bind=ctrl-z:ignore" $argv[1] \
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(test -r "$FZF_DEFAULT_OPTS_FILE"; and string join -- ' ' <$FZF_DEFAULT_OPTS_FILE) \
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$FZF_DEFAULT_OPTS $argv[2..]
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end
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function __fzfcmd
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test -n "$FZF_TMUX_HEIGHT"; or set -l FZF_TMUX_HEIGHT 40%
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if test -n "$FZF_TMUX_OPTS"
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echo "fzf-tmux $FZF_TMUX_OPTS -- "
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else if test "$FZF_TMUX" = "1"
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echo "fzf-tmux -d$FZF_TMUX_HEIGHT -- "
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else
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echo "fzf"
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end
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end
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function __fzf_parse_commandline -d 'Parse the current command line token and return split of existing filepath, fzf query, and optional -option= prefix'
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set -l fzf_query ''
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set -l prefix ''
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set -l dir '.'
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set -l -- match_regex '(?<fzf_query>[\\s\\S]*?(?=\\n?$)$)'
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set -l -- prefix_regex '^-[^\\s=]+=|^-(?!-)\\S'
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# Don't use option prefix if " -- " is preceded.
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string match -qv -- '* -- *' (string sub -l (commandline -Cp) -- (commandline -p))
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and set -- match_regex "(?<prefix>$prefix_regex)?$match_regex"
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# Set $prefix and expanded $fzf_query with preserved trailing newlines.
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if string match -qr -- '^\\d\\d+|^[4-9]' $version
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# fish v4.0.0 and newer
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string match -q -r -- $match_regex (commandline --current-token --tokens-expanded | string collect -N)
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else
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string match -q -r -- $match_regex (commandline --current-token --tokenize | string collect -N)
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eval set -- fzf_query (string escape -n -- $fzf_query | string replace -r -a '^\\\\(?=~)|\\\\(?=\\$\\w)' '')
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end
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if test -n "$fzf_query"
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# Normalize path in $fzf_query, set $dir to the longest existing directory.
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if string match -qr -- '^\\d\\d+|^4|^3\\.[5-9]' $version
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# fish v3.5.0 and newer
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set -- fzf_query (path normalize -- $fzf_query)
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set -- dir $fzf_query
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while not path is -d $dir
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set -- dir (path dirname $dir)
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end
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else
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string match -q -r -- '(?<fzf_query>^[\\s\\S]*?(?=\\n?$)$)' \
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(string replace -r -a -- '(?<=/)/|(?<!^)/+(?!\\n)$' '' $fzf_query | string collect -N)
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set -- dir $fzf_query
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while not test -d "$dir"
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set -- dir (dirname -z -- "$dir" | string split0)
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end
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end
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if not string match -q -- '.' $dir; or string match -qr -- '^\\.(/|$)' $fzf_query
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# Strip $dir from $fzf_query - preserve trailing newlines.
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if string match -qr -- '^\\d\\d+|^[4-9]' $version
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# fish v4.0.0 and newer
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string match -q -r -- '^'(string escape --style=regex -- $dir)'/?(?<fzf_query>[\\s\\S]*)' $fzf_query
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else
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string match -q -r -- '^/?(?<fzf_query>[\\s\\S]*?(?=\\n?$)$)' \
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(string replace -- "$dir" '' $fzf_query | string collect -N)
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end
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end
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end
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string escape -n -- "$dir" "$fzf_query" "$prefix"
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end
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# Store current token in $dir as root for the 'find' command
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function fzf-file-widget -d "List files and folders"
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set -l commandline (__fzf_parse_commandline)
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set -lx dir $commandline[1]
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set -l fzf_query $commandline[2]
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set -l prefix $commandline[3]
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set -lx FZF_DEFAULT_OPTS (__fzf_defaults \
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"--reverse --walker=file,dir,follow,hidden --scheme=path" \
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"--multi $FZF_CTRL_T_OPTS --print0")
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set -lx FZF_DEFAULT_COMMAND "$FZF_CTRL_T_COMMAND"
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set -lx FZF_DEFAULT_OPTS_FILE
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set -l result (eval (__fzfcmd) --walker-root=$dir --query=$fzf_query | string split0)
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and commandline -rt -- (string join -- ' ' $prefix(string escape -n -- $result))' '
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commandline -f repaint
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end
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function fzf-history-widget -d "Show command history"
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set -l -- command_line (commandline)
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set -l -- current_line (commandline -L)
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set -l -- total_lines (count $command_line)
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set -l -- fzf_query (string escape -- $command_line[$current_line])
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set -lx -- FZF_DEFAULT_OPTS (__fzf_defaults '' \
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'--with-nth=2.. --nth=2..,.. --scheme=history --multi --no-multi-line' \
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'--no-wrap --wrap-sign="\t\t\t↳ " --preview-wrap-sign="↳ " --freeze-left=1' \
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'--bind="alt-enter:become(set -g fzf_temp {+sf3..}; string join0 -- (string split0 -- <$fzf_temp | fish_indent -i); unlink $fzf_temp &>/dev/null)"' \
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'--bind="alt-t:change-with-nth(1,3..|3..|2..)"' \
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'--bind="shift-delete:execute-silent(eval builtin history delete -Ce -- (string escape -n -- (string split0 -- <{+sf3..})))+reload(eval $FZF_DEFAULT_COMMAND)"' \
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"--bind=ctrl-r:toggle-sort,alt-r:toggle-raw --highlight-line $FZF_CTRL_R_OPTS" \
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'--accept-nth=3.. --delimiter="\t" --tabstop=4 --read0 --print0 --with-shell='(status fish-path)\\ -c)
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# Add dynamic preview options if preview command isn't already set by user
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if string match -qvr -- '--preview[= ]' "$FZF_DEFAULT_OPTS"
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# Prepend the options to allow user overrides
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set -p -- FZF_DEFAULT_OPTS \
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'--bind="focus,multi,resize:bg-transform:if test \\"$FZF_COLUMNS\\" -gt 100 -a \\\\( \\"$FZF_SELECT_COUNT\\" -gt 0 -o \\\\( -z \\"$FZF_WRAP\\" -a (string join0 -- <{f3..} | string length) -gt (math $FZF_COLUMNS - (switch $FZF_WITH_NTH; case 2..; echo 13; case 1,3..; echo 25; case 3..; echo 1; end)) \\\\) -o (string split0 -- <{sf3..} | fish_indent | count) -gt 1 \\\\); echo show-preview; else; echo hide-preview; end"' \
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'--preview="test \\"$FZF_SELECT_COUNT\\" -gt 0; and string split0 -- <{+sf3..} | fish_indent (string match -q -- 3.\\\\* $version; or echo -- --only-indent) --ansi; and echo -n \\\\n; string collect -- \\\\#\\\\ {1} (string split0 -- <{sf3..}) | fish_indent --ansi"' \
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'--preview-window="right,50%,wrap-word,follow,info,hidden"'
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end
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set -lx FZF_DEFAULT_OPTS_FILE
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set -lx -- FZF_DEFAULT_COMMAND 'builtin history -z'
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# Enable syntax highlighting colors on fish v4.3.3 and newer
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if string match -qr -- '^\\d\\d+|^4\\.[4-9]|^4\\.3\\.[3-9]' $version
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set -a -- FZF_DEFAULT_OPTS '--ansi'
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set -a -- FZF_DEFAULT_COMMAND '--color=always --show-time=(set_color $fish_color_comment)"%F %a %T%t%s%t"(set_color $fish_color_normal)'
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else
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set -a -- FZF_DEFAULT_COMMAND '--show-time="%F %a %T%t%s%t"'
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end
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# Merge history from other sessions before searching
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test -z "$fish_private_mode"; and builtin history merge
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if set -l result (eval $FZF_DEFAULT_COMMAND \| (__fzfcmd) --query=$fzf_query | string split0)
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if test "$total_lines" -eq 1
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commandline -- $result
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else
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set -l a (math $current_line - 1)
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set -l b (math $current_line + 1)
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commandline -- $command_line[1..$a] $result
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commandline -a -- '' $command_line[$b..-1]
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end
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end
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commandline -f repaint
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end
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function fzf-cd-widget -d "Change directory"
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set -l commandline (__fzf_parse_commandline)
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set -lx dir $commandline[1]
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set -l fzf_query $commandline[2]
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set -l prefix $commandline[3]
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set -lx FZF_DEFAULT_OPTS (__fzf_defaults \
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"--reverse --walker=dir,follow,hidden --scheme=path" \
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"$FZF_ALT_C_OPTS --no-multi --print0")
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set -lx FZF_DEFAULT_OPTS_FILE
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set -lx FZF_DEFAULT_COMMAND "$FZF_ALT_C_COMMAND"
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if set -l result (eval (__fzfcmd) --query=$fzf_query --walker-root=$dir | string split0)
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cd -- $result
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commandline -rt -- $prefix
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end
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commandline -f repaint
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end
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if not set -q FZF_CTRL_R_COMMAND; or test -n "$FZF_CTRL_R_COMMAND"
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if test -n "$FZF_CTRL_R_COMMAND"
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echo "warning: FZF_CTRL_R_COMMAND is set to a custom command, but custom commands are not yet supported for CTRL-R" >&2
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end
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bind \cr fzf-history-widget
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bind -M insert \cr fzf-history-widget
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end
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if not set -q FZF_CTRL_T_COMMAND; or test -n "$FZF_CTRL_T_COMMAND"
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bind \ct fzf-file-widget
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bind -M insert \ct fzf-file-widget
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end
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if not set -q FZF_ALT_C_COMMAND; or test -n "$FZF_ALT_C_COMMAND"
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bind \ec fzf-cd-widget
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bind -M insert \ec fzf-cd-widget
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end
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end
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# Run setup
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fzf_key_bindings
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