Release v202606241747

Release v202606231958

feat: add GitHub App installation token authentication for push/sync (#…

…177)

* feat: add GitHub App authentication for push/sync

Add a --github-app-auth flag so push/sync can authenticate with a GitHub App installation token (ghs_*). App tokens have no user context, so the GET /user call is skipped and repositories are created under the owner from the destination repo name.

Refs github/actions-persistence#1182

* test: cover getOrCreateGitHubRepo for App and PAT auth paths

Add unit tests for getOrCreateGitHubRepo (previously untested) covering GitHub App auth and PAT regression paths: existing repo, create-under-user vs org, GHAE internal visibility (from both user and repo responses), create-failure wrapping, repo-get errors, org-already-exists fallback, and nil-login handling.

* test: extract shared mocks and fakes into testutils_test.go

* refactor: use x-access-token as git auth username for push

* docs: clarify --github-app-auth requires an org owner

* fix: validate --github-app-auth is incompatible with impersonation

- Error early when --github-app-auth and --actions-admin-user are both set, since App installation tokens cannot impersonate (no user/site-admin context).

- Correct the README App permission name to 'Metadata: Read-only'.

feat: add --batch-size flag to push refs in batches (#173)

* feat: add --batch-size flag to push refs in batches

Add support for pushing refs in smaller batches to avoid server-side
limits and timeouts when syncing large repositories with many tags/branches.

- Add --batch-size flag (default 0 = no batching, original behavior)
- Add References() method to GitRepository interface
- Implement collectRefs() and pushRefsInBatches() helpers
- Add MinBatchSize validation (must be 0 or >= 10)

This addresses issues where repositories with 1000+ refs fail to sync
to GHES with 'command error on refs/heads/<branch>: failed' errors.

* test: add tests for batch-size flag and push batching functionality

* fix: pin tool dependencies to versions compatible with Go 1.21

* ci: fix docker compose v2 syntax and update setup-ruby action

* refactor: address PR review feedback

- Remove unused RefInfo struct from git.go
- Remove redundant pushedAny variable tracking in pushRefsInBatches
- Remove incomplete TestPushRefsInBatches_PartialUpToDate test (already covered by existing test case)

* docs: add --batch-size flag to README

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