Files
Wolfgang Walther aec2d51e7e ci/eval: fix local full eval
The change to use `builtins.storePath` was good - for when the store
path *is* already part of the nix store. In all my tests so far, that
was already the case, because I was iterating on the solution and the
Eval results stayed the same.

But when this is run on a entirely new commit, these the values for
`afterDir` and `combinedDir` are *not* in the store, yet. As part of
running `eval.full` on a new commit they will be created. `eval.full` is
linked up, so that the values passed around there will actually be
derivations, which might not be realized, yet.

Checking whether the input is a path or not fixes this for both cases.

(cherry picked from commit b9d4098221)
2025-09-11 19:22:21 +00:00
..
2025-09-11 19:22:21 +00:00
2025-08-29 15:56:45 +02:00
2025-08-20 20:39:33 +03:00
2025-05-11 12:14:57 +02:00
2025-08-12 08:22:54 +00:00

CI support files

This directory contains files to support CI, such as GitHub Actions and Ofborg. This is in contrast with maintainers/scripts which is for human use instead.

Pinned Nixpkgs

CI may need certain packages from Nixpkgs. In order to ensure that the needed packages are generally available without building, pinned.json contains a pinned Nixpkgs version tested by Hydra.

Run update-pinned.sh to update it.

ci/nixpkgs-vet.sh BASE_BRANCH [REPOSITORY]

Runs the nixpkgs-vet tool on the HEAD commit, closely matching what CI does. This can't do exactly the same as CI, because CI needs to rely on GitHub's server-side Git history to compute the mergeability of PRs before the check can be started. In turn, when contributors are running this tool locally, we don't want to have to push commits to test them, and we can also rely on the local Git history to do the mergeability check.

Arguments:

  • BASE_BRANCH: The base branch to use, e.g. master or release-24.05
  • REPOSITORY: The repository from which to fetch the base branch. Defaults to https://github.com/NixOS/nixpkgs.git.

Branch classification

For the purposes of CI, branches in the NixOS/nixpkgs repository are classified as follows:

  • Channel branches
    • nixos- or nixpkgs- prefix
    • Are only updated from master or release- branches, when hydra passes.
    • Otherwise not worked on, Pull Requests are not allowed.
    • Long-lived, no deletion, no force push.
  • Primary development branches
    • release- prefix and master
    • Pull Requests required.
    • Long-lived, no deletion, no force push.
  • Secondary development branches
    • staging- prefix and haskell-updates
    • Pull Requests normally required, except when merging development branches into each other.
    • Long-lived, no deletion, no force push.
  • Work-In-Progress branches
    • backport-, revert- and wip- prefixes.
    • Deprecated: All other branches, not matched by channel/development.
    • Pull Requests are optional.
    • Short-lived, force push allowed, deleted after merge.

Some branches also have a version component, which is either unstable or YY.MM.

ci/supportedBranches.js is a script imported by CI to classify the base and head branches of a Pull Request. This classification will then be used to skip certain jobs. This script can also be run locally to print basic test cases.