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# One job, because the flake is the build.
#
# This used to be a kaniko pipeline whose only purpose was to publish the
# container image buck2's remote executor pulled; nothing about it ran the
# build. `nix flake check` runs fmt, clippy, the test suite and all three
# shared objects, and it pins what it runs with.
#
# The publish step is in the same job for the same reason: a second job would
# get a cold nix store and rebuild everything it was about to upload. The
# branch check is a shell `if` rather than a second job's `rules:` because
# there is nothing to gate but the last two commands.
stages: [check]

check:
  stage: check
  image: nixos/nix:latest
  variables:
    # The flake is fetched from the checkout, so the runner needs the git tree
    # rather than a shallow single commit.
    GIT_DEPTH: "0"
  before_script:
    - echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf
  script:
    - nix flake check -L
    # The store paths are read-only symlink farms; the runner uploads plain
    # files, so dereference them into a tree it can zip.
    - nix build -L --no-link --print-out-paths .#libs .#android > /tmp/outs
    - mkdir -p artifacts && xargs -a /tmp/outs -I{} cp -rL {}/. artifacts/
    # Tarballs rooted at lib/ and include/, so a consumer's `flake = false`
    # input resolves to ${input}/lib/libjoltmoq.so with nothing in between.
    # One per target: the desktop objects carry a RUNPATH into the builder's
    # /nix/store and are only usable from nix, the Android ones link nothing
    # but the NDK sysroot and are what an APK actually packages.
    - |
      set -eu
      if [ "$CI_COMMIT_BRANCH" = "$CI_DEFAULT_BRANCH" ]; then
        tar czf x86_64-linux.tar.gz -C artifacts include lib/libvidya.so lib/libjolttui.so lib/libjoltmoq.so
        tar czf android-arm64-v8a.tar.gz -C artifacts include lib/arm64-v8a
        base="$CI_API_V4_URL/projects/$CI_PROJECT_ID/packages/generic/jolt-native/$CI_COMMIT_SHA"
        nix shell nixpkgs#curl -c sh -eu -c '
          for f in x86_64-linux.tar.gz android-arm64-v8a.tar.gz; do
            curl --fail-with-body --header "JOB-TOKEN: $CI_JOB_TOKEN" \
              --upload-file "$f" "$1/$f"
          done
        ' sh "$base"
      fi
  artifacts:
    name: "jolt-native-$CI_COMMIT_SHORT_SHA"
    paths: [artifacts/]
    expire_in: 1 week
  rules:
    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH