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Add bg-cancel action to ignore running background transforms

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Close #4430

Example:

  # Implement popup that disappears after 1 second
  #   * Use footer as the popup
  #   * Use `bell` to ring the terminal bell
  #   * Use `bg-transform-footer` to clear the footer after 1 second
  #   * Use `bg-cancel` to ignore currently running background transform actions
  fzf --multi --list-border \
      --bind 'enter:execute-silent(echo -n {+} | pbcopy)+bell' \
      --bind 'enter:+transform-footer(echo Copied {} to clipboard)' \
      --bind 'enter:+bg-cancel+bg-transform-footer(sleep 1)'
This commit is contained in:
Junegunn Choi
2025-06-21 17:21:03 +09:00
parent c35d9cff7d
commit c36ddce36f
5 changed files with 96 additions and 49 deletions
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15
CHANGELOG.md
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@@ -33,8 +33,19 @@ CHANGELOG
seq 10000 | fzf --preview "awk '{sum += \$1} END {print sum}' {*f}"
```
- Use this with caution, as it can make fzf sluggish for large lists.
- Added background variants of transform actions with `bg-` prefix that run asynchronously in the background
- Added asynchronous transform actions with `bg-` prefix that run asynchronously in the background, along with `bg-cancel` action to ignore currently running `bg-transform` actions.
```sh
# Implement popup that disappears after 1 second
# * Use footer as the popup
# * Use `bell` to ring the terminal bell
# * Use `bg-transform-footer` to clear the footer after 1 second
# * Use `bg-cancel` to ignore currently running background transform actions
fzf --multi --list-border \
--bind 'enter:execute-silent(echo -n {+} | pbcopy)+bell' \
--bind 'enter:+transform-footer(echo Copied {} to clipboard)' \
--bind 'enter:+bg-cancel+bg-transform-footer(sleep 1)'
# It's okay for the commands to take a little while because they run in the background
GETTER='curl -s http://metaphorpsum.com/sentences/1'
fzf --style full --border --preview : \
--bind "focus:bg-transform-header:$GETTER" \
@@ -48,6 +59,8 @@ CHANGELOG
--bind "focus:+bg-transform-ghost:$GETTER" \
--bind "focus:+bg-transform-prompt:$GETTER"
```
- SSH completion enhancements by @akinomyoga
- Bug fixes and improvements
0.62.0
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