Auto-update flake.nix vendorHash on Renovate PRs - #405
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Add a workflow that runs nix-update on Renovate PRs touching go.mod or go.sum, commits the recomputed vendorHash, and re-dispatches nix-checks via workflow_dispatch (an exception to GitHub Actions anti-recursion).
Renovate also touches bindings/go/scip, reprolang, and bindings/typescript, each of which has its own vendorHash/npmDepsHash in checks.nix. Watch the relevant paths and loop nix-update over the full attribute path for every affected derivation (sequentially, to avoid concurrent file writes).
trly
approved these changes
May 11, 2026
Push corrective commits using a GitHub App token instead of GITHUB_TOKEN + workflow_dispatch. The non-GITHUB_TOKEN identity makes the push fire pull_request synchronize naturally, producing a check_suite the PR UI displays. Also widen scope from Renovate-only branches to any same-repo PR, and drop the workflow_dispatch trigger from nix-checks.yaml that the previous strategy required. Add a concurrency block to nix-checks.yaml so superseded runs are cancelled when the auto-fix push triggers a fresh run.
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Similar to scip-code/scip-go#250