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79 lines
2.4 KiB
Fish
79 lines
2.4 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 $TMPDIR/fish.$fish_pid.fish
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else
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set f /tmp/fish.$fish_pid.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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set -l editor
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if set -q VISUAL
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echo $VISUAL | read -at editor
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else if set -q EDITOR
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echo $EDITOR | read -at editor
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else
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echo
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echo (_ 'External editor requested but $VISUAL or $EDITOR not set.')
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echo (_ 'Please set VISUAL or EDITOR to your preferred editor.')
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commandline -f repaint
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return 1
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end
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commandline -b >$f
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set -l offset (commandline --cursor)
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# compute cursor line/column
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set -l lines (commandline)\n
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set -l line 1
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while test $offset -ge (string length -- $lines[1])
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set offset (math $offset - (string length -- $lines[1]))
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set line (math $line + 1)
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set -e lines[1]
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end
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set col (math $offset + 1)
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set -l basename (string match -r '[^/]*$' -- $editor[1])
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if contains $basename vi vim nvim
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set -a editor +$line +"norm $col|" $f
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else if contains $basename emacs emacsclient gedit kak
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set -a editor +$line:$col $f
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else if contains $basename nano
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set -a editor +$line,$col $f
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else if contains $basename joe ee
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set -a editor +$line $f
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else if contains $basename code code-oss
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set -a editor --goto $f:$line:$col --wait
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else
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set -a editor $f
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end
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__fish_disable_bracketed_paste
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$editor
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set -l editor_status $status
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__fish_enable_bracketed_paste
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# Here we're checking the exit status of the editor.
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if test $editor_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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# We've probably opened something that messed with the screen.
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# A repaint seems in order.
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commandline -f repaint
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end
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