mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-27 05:13:10 +00:00
85404bf7a9
alt-e restores the cursor position received from the editor, moving by one character at a time. This can be super slow on large commandlines, even on release builds. Let's fix that by setting the coordinates directly.
125 lines
4.5 KiB
Fish
125 lines
4.5 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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or return 1
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if set -q f[1]
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command 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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command touch $f
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or return 1
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end
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set -l editor (__fish_anyeditor)
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or return 1
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set -l indented_lines (commandline -b | __fish_indent --only-indent)
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string join -- \n $indented_lines >$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 -l indent 1 + (string length -- $indented_lines[$line]) - (string length -- $lines[1])
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set -l col (math $offset + 1 + $indent)
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set -l editor_basename (string match -r '[^/]+$' -- $editor[1])
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set -l wrapped_commands
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for wrap_target in (complete -- $editor_basename | string replace -rf '^complete [^/]+ --wraps (.+)$' '$1')
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set -l tmp
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string unescape -- $wrap_target | read -at tmp
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set -a wrapped_commands $tmp[1]
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end
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set -l found false
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set -l cursor_from_editor
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for editor_command in $editor_basename $wrapped_commands
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switch $editor_command
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case vi vim nvim
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if test $editor_command = vi && not set -l vi_version "$(vi --version 2>/dev/null)"
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if printf %s $vi_version | grep -q BusyBox
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break
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end
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set -a editor +{$line} $f
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set found true
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break
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end
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set cursor_from_editor (mktemp)
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set -a editor +$line "+norm! $col|" $f \
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'+autocmd VimLeave * ++once call writefile(
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[printf("%s %s %s", shellescape(bufname()), line("."), col("."))],
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"'$cursor_from_editor'"
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)'
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case emacs emacsclient gedit
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set -a editor +$line:$col $f
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case kak
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set cursor_from_editor (mktemp)
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set -a editor +$line:$col $f -e "
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hook -always -once global ClientClose %val{client} %{
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echo -to-file $cursor_from_editor -quoting shell \
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%val{buffile} %val{cursor_line} %val{cursor_column}
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}
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"
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case nano
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set -a editor +$line,$col $f
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case joe ee
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set -a editor +$line $f
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case code code-oss
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set -a editor --goto $f:$line:$col --wait
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case subl
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set -a editor $f:$line:$col --wait
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case micro
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set -a editor $f +$line:$col
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case '*'
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continue
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end
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set found true
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break
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end
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if not $found
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set -a editor $f
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end
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$editor
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set -l raw_lines (command cat $f)
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set -l unindented_lines (string join -- \n $raw_lines | __fish_indent --only-unindent)
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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 -- $unindented_lines
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commandline -C 999999
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else
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echo
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echo (_ "Ignoring the output of your editor since its exit status was non-zero")
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echo (_ "or the file was empty")
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end
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if set -q cursor_from_editor[1]
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eval set -l pos "$(cat $cursor_from_editor)"
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if set -q pos[1] && test $pos[1] = $f
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set -l line $pos[2]
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set -l indent (math (string length -- "$raw_lines[$line]") - (string length -- "$unindented_lines[$line]"))
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set -l column (math $pos[3] - $indent)
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if not commandline --line $line 2>/dev/null
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commandline -f end-of-buffer
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else
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commandline --column $column 2>/dev/null || commandline -f end-of-line
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end
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end
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command rm $cursor_from_editor
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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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