fish-shell/share/functions/edit_command_buffer.fish
2018-03-09 03:56:19 -06:00

48 lines
1.5 KiB
Fish

function edit_command_buffer --description 'Edit the command buffer in an external editor'
set -l f (mktemp)
if set -q f[1]
mv $f $f.fish
set f $f.fish
else
# We should never execute this block but better to be paranoid.
if set -q TMPDIR
set f $TMPDIR/fish.$pid.fish
else
set f /tmp/fish.$pid.fish
end
touch $f
or return 1
end
# Edit the command line with the users preferred editor or vim or emacs.
commandline -b >$f
if set -q VISUAL
__fish_disable_bracketed_paste
eval $VISUAL $f
__fish_enable_bracketed_paste
else if set -q EDITOR
__fish_disable_bracketed_paste
eval $EDITOR $f
__fish_enable_bracketed_paste
else
echo
echo (_ 'External editor requested but $VISUAL or $EDITOR not set.')
echo (_ 'Please set VISUAL or EDITOR to your preferred editor.')
commandline -f repaint
command rm $f
return 1
end
# Here we're checking the exit status of the editor.
if test $status -eq 0 -a -s $f
# Set the command to the output of the edited command and move the cursor to the
# end of the edited command.
commandline -r -- (cat $f)
commandline -C 999999
else
echo
echo (_ "Ignoring the output of your editor since its exit status was non-zero")
echo (_ "or the file was empty")
end
command rm $f
end