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Add environment variables: FZF_{BORDER,PREVIEW}_LABEL (#3693)

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The environment variable get the value of the preview label, even if it
has been updated with an action. It can be useful to track the label of
the preview and be able to switch between previews using only one
binding.

Co-authored-by: Junegunn Choi <junegunn.c@gmail.com>
This commit is contained in:
Matthieu Cneude
2024-03-29 16:14:08 +09:00
committed by GitHub
co-authored by Junegunn Choi
parent 8a74976c1f
commit f625c5aabe
4 changed files with 44 additions and 2 deletions
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CHANGELOG.md
+11
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@@ -3,6 +3,17 @@ CHANGELOG
0.49.0
------
- Added two environment variables exported to the child processes
- `FZF_PREVIEW_LABEL`
- `FZF_BORDER_LABEL`
```sh
# Use the current value of $FZF_PREVIEW_LABEL to determine which actions to perform
git ls-files |
fzf --header 'Press CTRL-P to change preview mode' \
--bind='ctrl-p:transform:[[ $FZF_PREVIEW_LABEL =~ cat ]] \
&& echo "change-preview(git log --color=always \{})+change-preview-label([[ log ]])" \
|| echo "change-preview(bat --color=always \{})+change-preview-label([[ cat ]])"'
```
- Renamed `track` action to `track-current` to highlight the difference between the global tracking state set by `--track` and a one-off tracking action
- `track` is still available as an alias
- Added `untrack-current` and `toggle-track-current` actions