mirror of
https://github.com/fish-shell/fish-shell
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e03e5e116d
Part of #1842 The implementation is obviously isn't 100% vi compatible, but works good enough for major cases This commit depends on previous commits where jump-{to, till}-matching-bracket motions were introduces
371 lines
20 KiB
Fish
371 lines
20 KiB
Fish
function fish_vi_key_bindings --description 'vi-like key bindings for fish'
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set -l legacy_bind bind
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if contains -- -h $argv
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or contains -- --help $argv
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echo "Sorry but this function doesn't support -h or --help" >&2
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return 1
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end
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# Erase all bindings if not explicitly requested otherwise to
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# allow for hybrid bindings.
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# This needs to be checked here because if we are called again
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# via the variable handler the argument will be gone.
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set -l rebind true
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if test "$argv[1]" = --no-erase
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set rebind false
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set -e argv[1]
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else
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bind --erase --all --preset # clear earlier bindings, if any
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end
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# Allow just calling this function to correctly set the bindings.
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# Because it's a rather discoverable name, users will execute it
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# and without this would then have subtly broken bindings.
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if test "$fish_key_bindings" != fish_vi_key_bindings
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and test "$rebind" = true
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# Allow the user to set the variable universally
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set -l scope
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set -q fish_key_bindings
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or set scope -g
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true
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# We try to use `set --no-event`, but to avoid leaving the user without bindings
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# if they run this with an older version we fall back on setting the variable
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# with an event.
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if ! set --no-event $scope fish_key_bindings fish_vi_key_bindings 2>/dev/null
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# This triggers the handler, which calls us again
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set $scope fish_key_bindings fish_vi_key_bindings
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# unless the handler somehow doesn't exist, which would leave us without bindings.
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# this happens in no-config mode.
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functions -q __fish_reload_key_bindings
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and return
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end
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end
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set -l init_mode insert
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# These are only the special vi-style keys
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# not end/home, we share those.
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set -l eol_keys \$ g,\$
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set -l bol_keys \^ 0 g\^
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if contains -- $argv[1] insert default visual
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set init_mode $argv[1]
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else if set -q argv[1]
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# We should still go on so the bindings still get set.
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echo "Unknown argument $argv" >&2
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end
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# Inherit shared key bindings.
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# Do this first so vi-bindings win over default.
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for mode in insert default visual
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__fish_shared_key_bindings -s -M $mode
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end
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# Add a way to switch from insert to normal (command) mode.
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# Note if we are paging, we want to stay in insert mode
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# See #2871
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set -l on_escape '
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if commandline -P
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commandline -f cancel
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else
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set fish_bind_mode default
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if test (count (commandline --cut-at-cursor | tail -c2)) != 2
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commandline -f backward-char
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end
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commandline -f repaint-mode
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end
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'
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bind -s --preset -M insert escape $on_escape
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bind -s --preset -M insert ctrl-\[ $on_escape
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# Default (command) mode
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bind -s --preset :,q exit
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bind -s --preset -m insert ctrl-c cancel-commandline repaint-mode
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bind -s --preset -M default h backward-char
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bind -s --preset -M default l forward-char
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bind -s --preset -m insert enter execute
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bind -s --preset -m insert ctrl-j execute
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bind -s --preset -m insert ctrl-m execute
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bind -s --preset -m insert o 'set fish_cursor_end_mode exclusive' insert-line-under repaint-mode
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bind -s --preset -m insert O 'set fish_cursor_end_mode exclusive' insert-line-over repaint-mode
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bind -s --preset -m insert i repaint-mode
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bind -s --preset -m insert I beginning-of-line repaint-mode
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bind -s --preset -m insert a 'set fish_cursor_end_mode exclusive' forward-single-char repaint-mode
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bind -s --preset -m insert A 'set fish_cursor_end_mode exclusive' end-of-line repaint-mode
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bind -s --preset -m visual v begin-selection repaint-mode
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bind -s --preset g,g beginning-of-buffer
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bind -s --preset G end-of-buffer
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for key in $eol_keys
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bind -s --preset $key end-of-line
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end
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for key in $bol_keys
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bind -s --preset $key beginning-of-line
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end
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bind -s --preset u undo
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bind -s --preset ctrl-r redo
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bind -s --preset [ history-token-search-backward
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bind -s --preset ] history-token-search-forward
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bind -s --preset -m insert / history-pager repaint-mode
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bind -s --preset k up-or-search
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bind -s --preset j down-or-search
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bind -s --preset b backward-word
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bind -s --preset B backward-bigword
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bind -s --preset g,e backward-word
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bind -s --preset g,E backward-bigword
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bind -s --preset w forward-word forward-single-char
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bind -s --preset W forward-bigword forward-single-char
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bind -s --preset e 'set fish_cursor_end_mode exclusive' forward-single-char forward-word backward-char 'set fish_cursor_end_mode inclusive'
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bind -s --preset E 'set fish_cursor_end_mode exclusive' forward-single-char forward-bigword backward-char 'set fish_cursor_end_mode inclusive'
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bind -s --preset -M insert ctrl-n accept-autosuggestion
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# Vi/Vim doesn't support these keys in insert mode but that seems silly so we do so anyway.
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bind -s --preset -M insert -k home beginning-of-line
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bind -s --preset -M default -k home beginning-of-line
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bind -s --preset -M insert -k end end-of-line
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bind -s --preset -M default -k end end-of-line
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# Vi moves the cursor back if, after deleting, it is at EOL.
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# To emulate that, move forward, then backward, which will be a NOP
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# if there is something to move forward to.
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bind -s --preset -M default x delete-char 'set fish_cursor_end_mode exclusive' forward-single-char backward-char 'set fish_cursor_end_mode inclusive'
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bind -s --preset -M default X backward-delete-char
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bind -s --preset -M insert -k dc delete-char forward-single-char backward-char
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bind -s --preset -M default -k dc delete-char 'set fish_cursor_end_mode exclusive' forward-single-char backward-char 'set fish_cursor_end_mode inclusive'
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# Backspace deletes a char in insert mode, but not in normal/default mode.
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bind -s --preset -M insert backspace backward-delete-char
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bind -s --preset -M insert shift-backspace backward-delete-char
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$legacy_bind -s --preset -M insert -k backspace backward-delete-char
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bind -s --preset -M default backspace backward-char
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$legacy_bind -s --preset -M default -k backspace backward-char
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bind -s --preset -M insert ctrl-h backward-delete-char
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bind -s --preset -M default ctrl-h backward-char
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bind -s --preset d,d kill-whole-line
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bind -s --preset D kill-line
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bind -s --preset d,\$ kill-line
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bind -s --preset d,\^ backward-kill-line
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bind -s --preset d,0 backward-kill-line
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bind -s --preset d,w kill-word
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bind -s --preset d,W kill-bigword
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bind -s --preset d,i,w forward-single-char forward-single-char backward-word kill-word
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bind -s --preset d,i,W forward-single-char forward-single-char backward-bigword kill-bigword
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bind -s --preset d,a,w forward-single-char forward-single-char backward-word kill-word
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bind -s --preset d,a,W forward-single-char forward-single-char backward-bigword kill-bigword
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bind -s --preset d,e kill-word
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bind -s --preset d,E kill-bigword
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bind -s --preset d,b backward-kill-word
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bind -s --preset d,B backward-kill-bigword
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bind -s --preset d,g,e backward-kill-word
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bind -s --preset d,g,E backward-kill-bigword
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bind -s --preset d,f begin-selection forward-jump kill-selection end-selection
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bind -s --preset d,t begin-selection forward-jump backward-char kill-selection end-selection
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bind -s --preset d,F begin-selection backward-jump kill-selection end-selection
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bind -s --preset d,T begin-selection backward-jump forward-single-char kill-selection end-selection
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bind -s --preset d,h backward-char delete-char
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bind -s --preset d,l delete-char
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bind -s --preset d,i,b jump-till-matching-bracket and jump-till-matching-bracket and begin-selection jump-till-matching-bracket kill-selection end-selection
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bind -s --preset d,a,b jump-to-matching-bracket and jump-to-matching-bracket and begin-selection jump-to-matching-bracket kill-selection end-selection
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bind -s --preset d,i backward-jump-till and repeat-jump-reverse and begin-selection repeat-jump kill-selection end-selection
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bind -s --preset d,a backward-jump and repeat-jump-reverse and begin-selection repeat-jump kill-selection end-selection
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bind -s --preset 'd,;' begin-selection repeat-jump kill-selection end-selection
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bind -s --preset 'd,comma' begin-selection repeat-jump-reverse kill-selection end-selection
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bind -s --preset -m insert s delete-char repaint-mode
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bind -s --preset -m insert S kill-inner-line repaint-mode
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bind -s --preset -m insert c,c kill-inner-line repaint-mode
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bind -s --preset -m insert C kill-line repaint-mode
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bind -s --preset -m insert c,\$ kill-line repaint-mode
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bind -s --preset -m insert c,\^ backward-kill-line repaint-mode
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bind -s --preset -m insert c,0 backward-kill-line repaint-mode
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bind -s --preset -m insert c,w kill-word repaint-mode
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bind -s --preset -m insert c,W kill-bigword repaint-mode
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bind -s --preset -m insert c,i,w forward-single-char forward-single-char backward-word kill-word repaint-mode
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bind -s --preset -m insert c,i,W forward-single-char forward-single-char backward-bigword kill-bigword repaint-mode
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bind -s --preset -m insert c,a,w forward-single-char forward-single-char backward-word kill-word repaint-mode
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bind -s --preset -m insert c,a,W forward-single-char forward-single-char backward-bigword kill-bigword repaint-mode
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bind -s --preset -m insert c,e kill-word repaint-mode
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bind -s --preset -m insert c,E kill-bigword repaint-mode
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bind -s --preset -m insert c,b backward-kill-word repaint-mode
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bind -s --preset -m insert c,B backward-kill-bigword repaint-mode
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bind -s --preset -m insert c,g,e backward-kill-word repaint-mode
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bind -s --preset -m insert c,g,E backward-kill-bigword repaint-mode
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bind -s --preset -m insert c,f begin-selection forward-jump kill-selection end-selection repaint-mode
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bind -s --preset -m insert c,t begin-selection forward-jump backward-char kill-selection end-selection repaint-mode
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bind -s --preset -m insert c,F begin-selection backward-jump kill-selection end-selection repaint-mode
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bind -s --preset -m insert c,T begin-selection backward-jump forward-single-char kill-selection end-selection repaint-mode
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bind -s --preset -m insert c,h backward-char begin-selection kill-selection end-selection repaint-mode
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bind -s --preset -m insert c,l begin-selection kill-selection end-selection repaint-mode
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bind -s --preset -m insert c,i,b jump-till-matching-bracket and jump-till-matching-bracket and begin-selection jump-till-matching-bracket kill-selection end-selection
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bind -s --preset -m insert c,a,b jump-to-matching-bracket and jump-to-matching-bracket and begin-selection jump-to-matching-bracket kill-selection end-selection
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bind -s --preset -m insert c,i backward-jump-till and repeat-jump-reverse and begin-selection repeat-jump kill-selection end-selection repaint-mode
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bind -s --preset -m insert c,a backward-jump and repeat-jump-reverse and begin-selection repeat-jump kill-selection end-selection repaint-mode
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bind -s --preset '~' togglecase-char forward-single-char
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bind -s --preset g,u downcase-word
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bind -s --preset g,U upcase-word
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bind -s --preset J end-of-line delete-char
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bind -s --preset K 'man (commandline -t) 2>/dev/null; or echo -n \a'
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bind -s --preset yy kill-whole-line yank
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for seq in '",*,y,y' '",*,Y' '",+,y,y' '",+,Y'
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bind -s --preset $seq fish_clipboard_copy
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end
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bind -s --preset Y kill-whole-line yank
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bind -s --preset y,\$ kill-line yank
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bind -s --preset y,\^ backward-kill-line yank
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bind -s --preset y,0 backward-kill-line yank
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bind -s --preset y,w kill-word yank
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bind -s --preset y,W kill-bigword yank
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bind -s --preset y,i,w forward-single-char forward-single-char backward-word kill-word yank
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bind -s --preset y,i,W forward-single-char forward-single-char backward-bigword kill-bigword yank
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bind -s --preset y,a,w forward-single-char forward-single-char backward-word kill-word yank
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bind -s --preset y,a,W forward-single-char forward-single-char backward-bigword kill-bigword yank
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bind -s --preset y,e kill-word yank
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bind -s --preset y,E kill-bigword yank
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bind -s --preset y,b backward-kill-word yank
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bind -s --preset y,B backward-kill-bigword yank
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bind -s --preset y,g,e backward-kill-word yank
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bind -s --preset y,g,E backward-kill-bigword yank
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bind -s --preset y,f begin-selection forward-jump kill-selection yank end-selection
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bind -s --preset y,t begin-selection forward-jump-till kill-selection yank end-selection
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bind -s --preset y,F begin-selection backward-jump kill-selection yank end-selection
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bind -s --preset y,T begin-selection backward-jump-till kill-selection yank end-selection
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bind -s --preset y,h backward-char begin-selection kill-selection yank end-selection
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bind -s --preset y,l begin-selection kill-selection yank end-selection
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bind -s --preset y,i,b jump-till-matching-bracket and jump-till-matching-bracket and begin-selection jump-till-matching-bracket kill-selection yank end-selection
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bind -s --preset y,a,b jump-to-matching-bracket and jump-to-matching-bracket and begin-selection jump-to-matching-bracket kill-selection yank end-selection
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bind -s --preset y,i backward-jump-till and repeat-jump-reverse and begin-selection repeat-jump kill-selection yank end-selection
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bind -s --preset y,a backward-jump and repeat-jump-reverse and begin-selection repeat-jump kill-selection yank end-selection
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bind -s --preset % jump-to-matching-bracket
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bind -s --preset f forward-jump
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bind -s --preset F backward-jump
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bind -s --preset t forward-jump-till
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bind -s --preset T backward-jump-till
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bind -s --preset ';' repeat-jump
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bind -s --preset , repeat-jump-reverse
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# in emacs yank means paste
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# in vim p means paste *after* current character, so go forward a char before pasting
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# also in vim, P means paste *at* current position (like at '|' with cursor = line),
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# \ so there's no need to go back a char, just paste it without moving
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bind -s --preset p 'set -g fish_cursor_end_mode exclusive' forward-char 'set -g fish_cursor_end_modefish_cursor_end_modeinclusive' yank
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bind -s --preset P yank
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bind -s --preset g,p yank-pop
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# same vim 'pasting' note as upper
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bind -s --preset '",*,p' 'set -g fish_cursor_end_mode exclusive' forward-char 'set -g fish_cursor_end_mode inclusive' fish_clipboard_paste
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bind -s --preset '",*,P' fish_clipboard_paste
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bind -s --preset '",+,p' 'set -g fish_cursor_end_mode exclusive' forward-char 'set -g fish_cursor_end_mode inclusive' fish_clipboard_paste
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bind -s --preset '",+,P' fish_clipboard_paste
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#
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# Lowercase r, enters replace_one mode
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#
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bind -s --preset -m replace_one r repaint-mode
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bind -s --preset -M replace_one -m default '' delete-char self-insert backward-char repaint-mode
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bind -s --preset -M replace_one -m default enter 'commandline -f delete-char; commandline -i \n; commandline -f backward-char; commandline -f repaint-mode'
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bind -s --preset -M replace_one -m default ctrl-j 'commandline -f delete-char; commandline -i \n; commandline -f backward-char; commandline -f repaint-mode'
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bind -s --preset -M replace_one -m default ctrl-m 'commandline -f delete-char; commandline -i \n; commandline -f backward-char; commandline -f repaint-mode'
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bind -s --preset -M replace_one -m default escape cancel repaint-mode
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bind -s --preset -M replace_one -m default ctrl-\[ cancel repaint-mode
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#
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# Uppercase R, enters replace mode
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#
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bind -s --preset -m replace R repaint-mode
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bind -s --preset -M replace '' delete-char self-insert
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bind -s --preset -M replace -m insert enter execute repaint-mode
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bind -s --preset -M replace -m insert ctrl-j execute repaint-mode
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bind -s --preset -M replace -m insert ctrl-m execute repaint-mode
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bind -s --preset -M replace -m default escape cancel repaint-mode
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bind -s --preset -M replace -m default ctrl-\[ cancel repaint-mode
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# in vim (and maybe in vi), <BS> deletes the changes
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# but this binding just move cursor backward, not delete the changes
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bind -s --preset -M replace backspace backward-char
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bind -s --preset -M replace shift-backspace backward-char
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$legacy_bind -s --preset -M replace -k backspace backward-char
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#
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# visual mode
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#
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bind -s --preset -M visual h backward-char
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bind -s --preset -M visual l forward-char
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bind -s --preset -M visual k up-line
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bind -s --preset -M visual j down-line
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bind -s --preset -M visual b backward-word
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bind -s --preset -M visual B backward-bigword
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bind -s --preset -M visual g,e backward-word
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bind -s --preset -M visual g,E backward-bigword
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bind -s --preset -M visual w forward-word
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bind -s --preset -M visual W forward-bigword
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bind -s --preset -M visual e 'set fish_cursor_end_mode exclusive' forward-single-char forward-word backward-char 'set fish_cursor_end_mode inclusive'
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bind -s --preset -M visual E 'set fish_cursor_end_mode exclusive' forward-single-char forward-bigword backward-char 'set fish_cursor_end_mode inclusive'
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bind -s --preset -M visual o swap-selection-start-stop repaint-mode
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bind -s --preset -M visual % jump-to-matching-bracket
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bind -s --preset -M visual f forward-jump
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bind -s --preset -M visual t forward-jump-till
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bind -s --preset -M visual F backward-jump
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bind -s --preset -M visual T backward-jump-till
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for key in $eol_keys
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bind -s --preset -M visual $key end-of-line
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end
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for key in $bol_keys
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bind -s --preset -M visual $key beginning-of-line
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end
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bind -s --preset -M visual -m insert c kill-selection end-selection repaint-mode
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bind -s --preset -M visual -m insert s kill-selection end-selection repaint-mode
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bind -s --preset -M visual -m default d kill-selection end-selection backward-char repaint-mode
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bind -s --preset -M visual -m default x kill-selection end-selection repaint-mode
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bind -s --preset -M visual -m default X kill-whole-line end-selection repaint-mode
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bind -s --preset -M visual -m default y kill-selection yank end-selection repaint-mode
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bind -s --preset -M visual -m default '",*,y' "fish_clipboard_copy; commandline -f end-selection repaint-mode"
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bind -s --preset -M visual -m default '",+,y' "fish_clipboard_copy; commandline -f end-selection repaint-mode"
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bind -s --preset -M visual -m default '~' togglecase-selection end-selection repaint-mode
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bind -s --preset -M visual -m default ctrl-c end-selection repaint-mode
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bind -s --preset -M visual -m default escape end-selection repaint-mode
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bind -s --preset -M visual -m default ctrl-\[ end-selection repaint-mode
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# Make it easy to turn an unexecuted command into a comment in the shell history. Also, remove
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# the commenting chars so the command can be further edited then executed.
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bind -s --preset -M default \# __fish_toggle_comment_commandline
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bind -s --preset -M visual \# __fish_toggle_comment_commandline
|
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bind -s --preset -M replace \# __fish_toggle_comment_commandline
|
|
|
|
# Set the cursor shape
|
|
# After executing once, this will have defined functions listening for the variable.
|
|
# Therefore it needs to be before setting fish_bind_mode.
|
|
fish_vi_cursor
|
|
set -g fish_cursor_selection_mode inclusive
|
|
function __fish_vi_key_bindings_on_mode_change --on-variable fish_bind_mode
|
|
switch $fish_bind_mode
|
|
case insert
|
|
set -g fish_cursor_end_mode exclusive
|
|
case '*'
|
|
set -g fish_cursor_end_mode inclusive
|
|
end
|
|
end
|
|
function __fish_vi_key_bindings_remove_handlers --on-variable __fish_active_key_bindings
|
|
functions --erase __fish_vi_key_bindings_remove_handlers
|
|
functions --erase __fish_vi_key_bindings_on_mode_change
|
|
functions --erase fish_vi_cursor_handle
|
|
functions --erase fish_vi_cursor_handle_preexec
|
|
set -e -g fish_cursor_end_mode
|
|
set -e -g fish_cursor_selection_mode
|
|
end
|
|
|
|
set fish_bind_mode $init_mode
|
|
end
|