ci: test and publish rocks using GitHub Actions

Dropped release rockspecs: we store them on rocks.tarantool.org. Kept
only scm-1 rockspec.

Author: ArtDu

.github/workflows/fast_testing.yaml

@@ -0,0 +1,38 @@
+name: fast_testing
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  linux:
+    # We want to run on external PRs, but not on our own internal
+    # PRs as they'll be run by the push to the branch.
+    #
+    # The main trick is described here:
+    # https://github.com/Dart-Code/Dart-Code/pull/2375
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
+
+    strategy:
+      fail-fast: false
+      matrix:
+        tarantool:
+          - '1.10'
+          - '2.4'
+          - '2.5'
+          - '2.6'
+          - '2.7'
+          - '2.8'
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install tarantool ${{ matrix.tarantool }}
+        uses: tarantool/setup-tarantool@v1
+        with:
+          tarantool-version: ${{ matrix.tarantool }}
+
+      - name: Clone the module
+        uses: actions/checkout@v2
+
+      - run: make test

.github/workflows/publish.yml

@@ -0,0 +1,60 @@
+name: publish
+
+on:
+  push:
+    branches: [master]
+    tags: ['*']
+
+jobs:
+  publish-scm-1:
+    if: github.ref == 'refs/heads/master'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: tarantool/rocks.tarantool.org/github-action@master
+        with:
+          auth: ${{ secrets.ROCKS_AUTH }}
+          files: expirationd-scm-1.rockspec
+
+  publish-tag:
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      # Create a rockspec for the release.
+      - run: printf '%s=%s\n' TAG "${GITHUB_REF##*/}" >> "${GITHUB_ENV}"
+      - run: sed -E
+          -e 's/branch = ".+"/tag = "${{ env.TAG }}"/g'
+          -e 's/version = ".+"/version = "${{ env.TAG }}-1"/g'
+          expirationd-scm-1.rockspec > expirationd-${{ env.TAG }}-1.rockspec
+
+      # Create a rock for the release (.all.rock).
+      #
+      # `tarantoolctl rocks pack <module_name> <version>` creates
+      # .all.rock tarball. It speeds up
+      # `tarantoolctl rocks install <module_name> <version>` and
+      # frees it from dependency on git.
+      #
+      # Don't confuse this command with
+      # `tarantoolctl rocks pack <rockspec>`, which creates a
+      # source tarball (.src.rock).
+      #
+      # Important: Don't upload binary rocks to
+      # rocks.tarantool.org. Lua/C modules should be packed into
+      # .src.rock instead. See [1] for description of rock types.
+      #
+      # [1]: https://github.com/luarocks/luarocks/wiki/Types-of-rocks
+      - uses: tarantool/setup-tarantool@v1
+        with:
+          tarantool-version: '1.10'
+      - run: tarantoolctl rocks install expirationd-${{ env.TAG }}-1.rockspec
+      - run: tarantoolctl rocks pack expirationd ${{ env.TAG }}
+
+      # Upload .rockspec and .all.rock.
+      - uses: tarantool/rocks.tarantool.org/github-action@master
+        with:
+          auth: ${{ secrets.ROCKS_AUTH }}
+          files: |
+            expirationd-${{ env.TAG }}-1.rockspec
+            expirationd-${{ env.TAG }}-1.all.rock