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actions/checkout v6 doesn't put `http.https://github.com/.extraheader` inside .git/config; it writes that header to an external file at /home/runner/work/_temp/git-credentials-*.config and pulls it in via local `includeif.gitdir:<repo>/.git.path = <credfile>` directives. That's why every earlier `git config --local --unset-all` / `--remove-section` round was a silent no-op (verified by the previous debug commit's dump: the extraheader survives because the source-of- truth lives outside .git/config). Read every includeif `.path` value from local config, dedupe, and `truncate -s 0` the targets so the included header chunk becomes empty. The App installation token then enters the wire via the URL-embedded `x-access-token:${GH_TOKEN}` credentials with no competing Authorization header. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
GitHub Workflow Helpers 🔧
This directory holds the shell helpers that GitHub Actions workflows under .github/workflows/ call. Helpers are grouped by responsibility into subfolders so each workflow file pulls only from the clusters it actually needs.
Subfolders 🗂️
| Subfolder | Responsibility |
|---|---|
| runner/ | Host-runner hygiene around image builds and deploys (disk, swap, Docker daemon, diagnostics). |
| cancel/ | Cancellation of in-progress workflow runs on PR-close and branch-delete events. |
| resolve/ | Derivation of structured workflow inputs and outputs from repository state. |
| update/ | The scheduled Update: Versions pipeline (version bumps and PR open/refresh). |
| release/ | Release-time gates that decide whether a tagged commit may be released. |
A new helper MUST live in the subfolder that matches its responsibility. New responsibilities MAY motivate a new subfolder, but MUST NOT flatten back into the top level.
For the workflow catalog see workflows.md. For the repository Make target index see make.md.