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59fa04bd91
This implements a standard function and bindings for editing the command line in an external editor. This feature has been requested multiple times in the past year with various solutions cut and pasted into those issues. This change combines the best aspects of those solutions. Fixes #1215
44 lines
1.3 KiB
Fish
44 lines
1.3 KiB
Fish
function edit_command_buffer --description 'Edit the command buffer in an external editor'
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set -l f (mktemp)
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if set -q f[1]
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mv $f $f.fish
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set f $f.fish
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else
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# We should never execute this block but better to be paranoid.
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if set -q TMPDIR
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set f $TMPDIR/fish.(echo %self).fish
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else
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set f /tmp/fish.(echo %self).fish
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end
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touch $f
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or return 1
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end
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# Edit the command line with the users preferred editor or vim or emacs.
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commandline -b >$f
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if set -q VISUAL
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eval $VISUAL $f
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else if set -q EDITOR
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eval $EDITOR $f
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else
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echo
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echo (_ 'External editor requested but $VISUAL or $EDITOR not set.')
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echo (_ 'Please set VISUAL or EDITOR to your preferred editor.')
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commandline -f repaint
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command rm $f
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return 1
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end
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# Here we're checking the exit status of the editor.
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if test $status -eq 0 -a -s $f
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# Set the command to the output of the edited command and move the cursor to the
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# end of the edited command.
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commandline -r (cat $f)
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commandline -C 999999
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else
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echo
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echo (_ "Ignoring the output of your editor since its exit status was non-zero")
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echo (_ "or the file was empty")
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end
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command rm $f
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end
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