Add build script (#58)

.github/workflows/collection-publish.yml

@@ -0,0 +1,41 @@
+name: Collection release and publish
+on:
+  push:
+    tags:
+      - '[0-9]+\.[0-9]+\.[0-9]+'
+
+jobs:
+  publish-collection-artifact:
+    name: Publish
+    runs-on: ${{ matrix.runner-os }}
+    strategy:
+      matrix:
+        runner-os:
+          - ubuntu-16.04
+        ansible-version:
+          - git+https://github.com/ansible/ansible.git@devel
+        runner-python-version:
+          - 3.7
+    steps:
+
+      - name: Check out ${{ github.repository }} on disk
+        uses: actions/checkout@master
+
+      - name: Set up Python ${{ matrix.runner-python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.runner-python-version }}
+
+      - name: Install Ansible ${{ matrix.ansible-version }}
+        run: |
+          python -m pip install --user -r contrib/publish-requirements.txt
+          python -m pip install --user -U --force '${{ matrix.ansible-version }}'
+          python -m virtualenv /tmp/new-ansible
+          /tmp/new-ansible/bin/pip install '${{ matrix.ansible-version }}'
+
+      - name: Generate a version from tag
+        run: >-
+          ./contrib/publish.sh ${GITHUB_REF##*/}
+        env:
+          API_GALAXY_TOKEN: ${{ secrets.API_GALAXY_TOKEN }}
+          GALAXY_PATH: /tmp/new-ansible/bin/ansible-galaxy