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Fix incorrect divergence warnings on checkout#1446

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josephjclark merged 15 commits into
epic/merge-improvementsfrom
fix/checkout-divergence
Jun 8, 2026
Merged

Fix incorrect divergence warnings on checkout#1446
josephjclark merged 15 commits into
epic/merge-improvementsfrom
fix/checkout-divergence

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Short Description

The checkout code is using the wrong algorithm to detect whether there are "unstaged" changes that could be lost on checkout. I think this was probably broken when updating the algorithm for other reasons, which subtly broke checkout.

Checkout didn't have good divergence tests so the changes went unnoticed.

This PR introduces bespoke algorithm which does the job a lot better.

Fixes #1433

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@github-project-automation github-project-automation Bot moved this to New Issues in Core Jun 8, 2026
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josephjclark commented Jun 8, 2026

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While testing here I keep hitting issues because the workflow is out of date somehow with the state file, and so the versions are different (because the state is different). Why is this?

Is it because I'm just doing things that don't make sense locally? Did I forget to pull?

Or is it something deeper. Like the checked out workflow is simply behind the statefile? Oh that could well be something:

  • I pull the project
  • I change remotely
  • I pull again - local conflict right, because local and remote are different (even though remote did not change)

So I need to be comparing the local history to the app's history. Bit of a wrinkle there is that the app might have squashed versions - the client kinda needs to maintain versions. This is getting hairy.

Well, one thing about that is that it's live in production now. Not new to this branch. I think I'm at least solving some things here.

@josephjclark josephjclark merged commit 9c3b66a into epic/merge-improvements Jun 8, 2026
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@github-project-automation github-project-automation Bot moved this from New Issues to Done in Core Jun 8, 2026
josephjclark added a commit that referenced this pull request Jun 9, 2026
* CLI: add --workflows flag to merge and deploy (#1437)

* add --workflows flag

* rename --workflows to --workflow and alias

* changelog

* update tests

* format

* mock: fix an issue where project obejts can get scribbed on

* fix tests

* update integration tests

* improve error messages for invalid workspace

* better diverence message

* Fix incorrect divergence warnings on checkout (#1446)

* improve error messages for invalid workspace

* better diverence message

* add failing test and notes

* project: set the alias on a checked out project

* fix divergence on checkout

* fixes for tests

* fix tests and enable project alias to be null

* update tests

* update more tests

* relax alias lookup to fix tests

* when merging, force-checkout the result

* remove comment

* types

* fix one more test

* update test

* hide merge command
@josephjclark josephjclark deleted the fix/checkout-divergence branch June 9, 2026 16:43
josephjclark added a commit that referenced this pull request Jun 9, 2026
* create output directory if it doesn't exist (#1452)

* fix(cli): create output directory if it doesn't exist (#1445)

The compile and collections commands threw ENOENT when --output-path
pointed to a directory that hadn't been created yet. Add
mkdir({ recursive: true }) before writeFile in both handlers, matching
the pattern already used in the execute command's serialize-output.ts.

Fixes #859

* changeset

---------

Co-authored-by: Lamine Gueye <[email protected]>

* Fix gitignore cache (#1453)

* fix(cli): fix cache .gitignore written to fs root and undefined workflow name (#1444)

* fix(cli): fix cache .gitignore written to fs root and undefined workflow name

- Replace ensureGitIgnore path-walking logic with a direct getCacheRoot
  helper. The old loop used endsWith('.cli-cache') to find the cache
  root, but if the path never contained that segment (custom cachePath)
  it would walk all the way to '/' and write /.gitignore
- Fall back to 'workflow' when plan.workflow.name is undefined, avoiding
  .cli-cache/undefined directories
- Add cachePath to saveToCache/clearCache options types so custom cache
  paths set by workspace projects are correctly forwarded to getCachePath
- Remove spurious await on the now-synchronous getCachePath call
- Add regression tests covering expressionPath + cacheSteps (the exact
  scenario reported in #669, which had no test coverage)

Fixes #669

* fix test: use correct cache subdir name derived from filename

* refactor(cli): address review feedback on cache fix

- Eliminate getCacheRoot helper: getCachePath(options) with no
  workflowName/stepId already returns the CACHE_DIR root naturally
- Use .filter(Boolean) spread into path.resolve so undefined workflowName
  does not cause ERR_INVALID_ARG_TYPE (path.resolve throws on undefined)
- Keep cachePath in saveToCache/clearCache Pick types so custom paths work
- Rename gitignore test name to be more accurate

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

* style(cli): fix prettier formatting

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

* Revert "style(cli): fix prettier formatting"

This reverts commit 1e47fad.

* style(cli): fix prettier v2 formatting

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

* refactor(cli): simplify workflowName fallback per review

Use workflowName ?? '' instead of .filter(Boolean) spread.
path.resolve treats '' as a no-op so undefined workflowName
still resolves to the bare CACHE_DIR root.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

---------

Co-authored-by: Claude Sonnet 4.6 <[email protected]>

* clean up test

* changeset

* tidying up

* typing

---------

Co-authored-by: Lamine Gueye <[email protected]>
Co-authored-by: Claude Sonnet 4.6 <[email protected]>

* Merge & Sync improvements (#1450)

* CLI: add --workflows flag to merge and deploy (#1437)

* add --workflows flag

* rename --workflows to --workflow and alias

* changelog

* update tests

* format

* mock: fix an issue where project obejts can get scribbed on

* fix tests

* update integration tests

* improve error messages for invalid workspace

* better diverence message

* Fix incorrect divergence warnings on checkout (#1446)

* improve error messages for invalid workspace

* better diverence message

* add failing test and notes

* project: set the alias on a checked out project

* fix divergence on checkout

* fixes for tests

* fix tests and enable project alias to be null

* update tests

* update more tests

* relax alias lookup to fix tests

* when merging, force-checkout the result

* remove comment

* types

* fix one more test

* update test

* hide merge command

* chore: ignore sentry errors by regexp (#1440)

* feat: ignore sentry errors by regexp

* chore: remove debug

* feat: add severity override to ignored errors

* changeset

---------

Co-authored-by: Joe Clark <[email protected]>

* versions

---------

Co-authored-by: Lamine Gueye <[email protected]>
Co-authored-by: Claude Sonnet 4.6 <[email protected]>
Co-authored-by: Farhan Y. <[email protected]>
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