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add way to comment/uncomment a command

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Fixes #2375

(cherry picked from commit 2f8d0e9aba)
This commit is contained in:
Kurtis Rader 2016-04-16 20:03:14 -07:00 committed by David Adam
parent 75064ed786
commit ce41e3468e
3 changed files with 29 additions and 1 deletions
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17
share/functions/__fish_toggle_comment_commandline.fish Normal file
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@ -0,0 +1,17 @@
# This is meant to be bound to key sequences such as \e#. It provides a simple way to quickly
# comment/uncomment the current command. This is something introduced by the Korn shell (ksh) in
# 1993. It allows you to capture a command in the shell history without executing it. Then
# retrieving the command from the shell history and removing the comment chars.
#
# This deliberately does not execute the command when removing the comment characters to give you an
# opportunity to modify the command.
function __fish_toggle_comment_commandline --description 'Comment/uncomment the current command'
set -l cmdlines (commandline -b)
if test "$cmdlines" = ""
return
end
set -l cmdlines (printf '%s\n' '#'$cmdlines | string replace -r '^##' '')
commandline -r $cmdlines
string match -q '#*' $cmdlines[1]; and commandline -f execute
end

5
share/functions/fish_default_key_bindings.fish
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@ -144,5 +144,8 @@ function fish_default_key_bindings -d "Default (Emacs-like) key bindings for fis
bind $argv \eOc forward-word
bind $argv \eOd backward-word
end
end
# Make it easy to turn an unexecuted command into a comment in the shell history. Also,
# remove the commenting chars so the command can be further edited then executed.
bind \e\# __fish_toggle_comment_commandline
end

8
share/functions/fish_vi_key_bindings.fish
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@ -224,4 +224,12 @@ function fish_vi_key_bindings --description 'vi-like key bindings for fish'
bind -M visual -m default \e end-selection force-repaint
set fish_bind_mode $init_mode
# Make it easy to turn an unexecuted command into a comment in the shell history. Also, remove
# the commenting chars so the command can be further edited then executed.
bind -M default \# __fish_toggle_comment_commandline
bind -M visual \# __fish_toggle_comment_commandline
bind -M default \e\# __fish_toggle_comment_commandline
bind -M insert \e\# __fish_toggle_comment_commandline
bind -M visual \e\# __fish_toggle_comment_commandline
end