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db404fc2e3
Continues the work from #35927 to add a git diff view for stash entries. [Screencast From 2025-09-17 19-46-01.webm](https://github.com/user-attachments/assets/ded33782-adef-4696-8e34-3665911c09c7) Stash entries are [represented as commits](https://git-scm.com/docs/git-stash#_discussion) except they have up to 3 parents: ``` .----W (this is the stash entry) / /| -----H----I | \| U ``` Where `H` is the `HEAD` commit, `I` is a commit that records the state of the index, and `U` is another commit that records untracked files (when using `git stash -u`). Given this, I modified the existing commit view struct to allow loading stash and commits entries with git sha identifier so that we can get a similar git diff view for both of them. The stash diff is generated by comparing the stash commit with its parent (`<commit>^` or `H` in the diagram) which generates the same diff as doing `git stash show -p <stash entry>`. This *can* be counter-intuitive since a user may expect the comparison to be made between the stash commit and the current commit (`HEAD`), but given that the default behavior in git cli is to compare with the stash parent, I went for that approach. Hoping to get some feedback from a Zed team member to see if they agree with this approach. Release Notes: - Add git diff view for stash entries - Add toolbar on git diff view for stash entries - Prompt before executing a destructive stash action on diff view - Fix commit view for merge commits (see #38289) |
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