image: alpine/edge
packages:
  - abuild
  - curl
  - go
  - git
  - rclone
  - sassc
  - minify
secrets:
  # File secret `apk-ci-s3`, installed at ~/.apk-ci.env, containing
  # APK_CI_S3_ACCESS_KEY / APK_CI_S3_SECRET_KEY for the Garage `repo` bucket.
  - apk-ci-s3
  # S3 credentials for the cacher CI cache (Garage `docker-cache` bucket),
  # same pair the bencher and ci-cacher builds use.
  - 7dde4219-0783-4581-a67d-c94749de3600   # ~/.s3-cache-key-id
  - 0e5b3530-6f19-4f30-9b73-9339dd382e46   # ~/.s3-cache-key-secret
sources:
  - https://git.srht.bigb.es/~bigbes/sr-ht-spec
environment:
  REPO: sr-ht-spec
  APK_REPO: alpine/v3.22/bigbes/x86_64
  S3_BUCKET: repo
  S3_ENDPOINT: https://s3.bigb.es
  # Must track the srht deployment's SRHT_CORE_VER, or this service's theme
  # drifts from the rest of the instance. BOOTSTRAP_REV is the submodule commit
  # core.sr.ht pins at that tag; bump the two together.
  CORE_VER: "0.84.5"
  BOOTSTRAP_REV: 779ad9f174ea5ab7e755f6df0ec9e5912d67dd16
submitter:
  git.sr.ht:
    allow-refs:
      - refs/heads/master
tasks:
  - cacher: |
      # S3-backed CI cache helper (go.bigb.es/cacher), dogfooded from its own
      # published release — the same bootstrap the bencher/ci-cacher builds use.
      # First task, so the scss assembly below can already use the cache.
      mkdir -p ~/.local/bin
      curl -sSL "https://bigbes.pages.srht.bigb.es/ci-cacher/cacher-linux-amd64" \
        -o ~/.local/bin/cacher
      chmod +x ~/.local/bin/cacher
      echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.buildenv
      export PATH="$HOME/.local/bin:$PATH"
      cacher init \
        --endpoint    https://s3.bigb.es \
        --region      garage \
        --bucket      docker-cache \
        --prefix      sr-ht-spec/deps \
        --key-file    ~/.s3-cache-key-id \
        --secret-file ~/.s3-cache-key-secret
  - scss: |
      # No apk ships the shared sourcehut SCSS partials, so assemble them the
      # way core.sr.ht's `make install-scss` would: its own scss/ plus the
      # Bootstrap 4 submodule. `make css` runs sassc -I against this tree.
      # The assembled tree is cached keyed by the two pins — on a hit this
      # task touches neither git.sr.ht nor github.com, so their outages can't
      # fail the build.
      KEY_SCSS="scss/${CORE_VER}-${BOOTSTRAP_REV}.tar.zst"
      if ! cacher dir download "$KEY_SCSS" ~/scss; then
        git clone --depth 1 --branch "$CORE_VER" \
          https://git.sr.ht/~sircmpwn/core.sr.ht /tmp/core
        mkdir -p ~/scss/bootstrap
        cp /tmp/core/scss/*.scss /tmp/core/scss/*.css ~/scss/
        git init -q /tmp/bootstrap
        git -C /tmp/bootstrap remote add origin https://github.com/twbs/bootstrap
        git -C /tmp/bootstrap fetch -q --depth 1 origin "$BOOTSTRAP_REV"
        git -C /tmp/bootstrap checkout -q FETCH_HEAD
        cp -r /tmp/bootstrap/scss ~/scss/bootstrap/scss
        cacher dir upload "$KEY_SCSS" ~/scss
      fi
      sudo mkdir -p /usr/share/sourcehut
      sudo cp -r ~/scss /usr/share/sourcehut/scss
  - keygen: |
      # abuild insists on signing what it builds, but this key is deliberately
      # throwaway: generated per build, dies with the VM, trusted by nothing.
      # Clients verify against the index instead, which is rebuilt and signed on
      # phoebe by the garage stack's apk-mirror service — it indexes this repo
      # with --allow-untrusted precisely because of this.
      #
      # -i installs the public half into /etc/apk/keys. Without it abuild's own
      # final "update the local repository index" step dies with UNTRUSTED
      # signature, after having built the package perfectly well.
      SUDO=sudo abuild-keygen -a -n -i -q
  - version: |
      cd "$REPO"
      ver="0.0.$(git rev-list --count HEAD)"
      sed -i "s/^pkgver=.*/pkgver=$ver/" APKBUILD
      echo "export PKGVER=$ver" >> ~/.buildenv
      echo "building $ver"
  - cache_restore: |
      # Restore the Go module and build caches, both keyed by go.sum: the
      # dependency tree dominates compile time, and it only changes when go.sum
      # does. A miss is just a cold build, never an error.
      KEY_MOD=$(cacher key "gomod/{hash}.tar.zst" --hash-from "$REPO/go.sum")
      KEY_GOC=$(cacher key "gocache/{hash}.tar.zst" --hash-from "$REPO/go.sum")
      echo "export KEY_MOD=$KEY_MOD KEY_GOC=$KEY_GOC" >> ~/.buildenv
      # abuild redirects the Go caches into its throwaway $tmpdir (and an
      # upstream typo slaves GOMODCACHE to GOCACHE), so env exports here can't
      # stick — the APKBUILD's build() re-pins both to these home locations.
      cacher dir download "$KEY_MOD" ~/go/pkg/mod || true
      cacher dir download "$KEY_GOC" ~/.cache/go-build || true
  - build: |
      cd "$REPO"
      # -d: makedepends are already installed via `packages:` above.
      REPODEST=$HOME/packages abuild -d
      find "$HOME/packages" -name '*.apk'
  - cache_save: |
      # Seed the caches only when this go.sum has no entry yet — on a hit the
      # tarballs are already up there and re-uploading identical bytes is waste.
      cacher exists "$KEY_MOD" || cacher dir upload "$KEY_MOD" ~/go/pkg/mod
      cacher exists "$KEY_GOC" || cacher dir upload "$KEY_GOC" ~/.cache/go-build
  - publish: |
      set +x   # never echo the S3 credentials into the build log
      . ~/.apk-ci.env
      export RCLONE_CONFIG_GARAGE_TYPE=s3
      export RCLONE_CONFIG_GARAGE_PROVIDER=Other
      export RCLONE_CONFIG_GARAGE_ENDPOINT="$S3_ENDPOINT"
      export RCLONE_CONFIG_GARAGE_REGION=garage
      export RCLONE_CONFIG_GARAGE_FORCE_PATH_STYLE=true
      export RCLONE_CONFIG_GARAGE_ACCESS_KEY_ID="$APK_CI_S3_ACCESS_KEY"
      export RCLONE_CONFIG_GARAGE_SECRET_ACCESS_KEY="$APK_CI_S3_SECRET_KEY"
      set -x
      # Upload only; never delete. Old versions stay so a pinned deployment can
      # always be rebuilt — the same reason the upstream mirror is append-only.
      find "$HOME/packages" -name '*.apk' -print | while read -r f; do
        rclone copyto "$f" "garage:$S3_BUCKET/$APK_REPO/$(basename "$f")"
        echo "uploaded $(basename "$f")"
      done
      echo "published; apk-mirror on phoebe re-indexes within 15 minutes"