From bc256ea026c71d79b6a3343a494c9eadb487ea34 Mon Sep 17 00:00:00 2001
From: Chris Sewell <chrisj_sewell@hotmail.com>
Date: Tue, 7 Sep 2021 21:21:28 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=A7=20MAINTAIN:=20Add=20release=20work?=
 =?UTF-8?q?flow=20(#117)?=
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---
 .github/workflows/check_release_tag.py | 19 ++++++++
 .github/workflows/release.yml          | 62 ++++++++++++++++++++++++++
 2 files changed, 81 insertions(+)
 create mode 100644 .github/workflows/check_release_tag.py
 create mode 100644 .github/workflows/release.yml

diff --git a/.github/workflows/check_release_tag.py b/.github/workflows/check_release_tag.py
new file mode 100644
index 0000000..da36956
--- /dev/null
+++ b/.github/workflows/check_release_tag.py
@@ -0,0 +1,19 @@
+"""Check that the GitHub release tag matches the package version."""
+import argparse
+import pathlib
+import re
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("GITHUB_REF", help="The GITHUB_REF environmental variable")
+    parser.add_argument("INIT_PATH", help="Path to the init file")
+    args = parser.parse_args()
+    assert args.GITHUB_REF.startswith(
+        "refs/tags/v"
+    ), f'GITHUB_REF should start with "refs/tags/v": {args.GITHUB_REF}'
+    tag_version = args.GITHUB_REF[11:]
+    data = pathlib.Path(args.INIT_PATH).read_text("utf8")
+    pypi_version = re.search(r"__version__ = ['\"](.*?)['\"]", data).group(1)
+    assert (
+        tag_version == pypi_version
+    ), f"The tag version {tag_version} != {pypi_version} specified in {args.INIT_PATH}"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..b1c5bff
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,62 @@
+name: release
+
+# Automate deployment to PyPI when creating a release tag vX.Y.Z
+# will only be published to PyPI if the git tag matches the release version
+# and the pre-commit and tests pass
+
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+*"
+
+jobs:
+
+  check-release-tag:
+
+    # Only run this job on the main repository and not on forks
+    if: github.repository == 'aiidateam/disk-objectstore'
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - run: python .github/workflows/check_release_tag.py $GITHUB_REF disk_objectstore/__init__.py
+
+  pre-commit:
+
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - uses: pre-commit/action@v2.0.0
+
+  publish:
+
+    name: Publish to PyPI
+    needs: [check-release-tag, pre-commit]
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout source
+      uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Build package
+      run: |
+        pip install wheel
+        python setup.py sdist bdist_wheel
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@v1.1.0
+      with:
+        user: __token__
+        password: ${{ secrets.PYPI_KEY }}