Add release CI job (#5)

Fixes #1

.github/workflows/release.yaml

@@ -0,0 +1,49 @@
+# Copyright 2025 Enactic, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Release
+on:
+  push:
+    tags:
+      - '**'
+jobs:
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    environment: release
+    steps:
+      - uses: actions/checkout@v4
+      - name: Create source archive
+        run: |
+          git archive ${GITHUB_REF_NAME} \
+            --prefix openarm-can-${GITHUB_REF_NAME}/ \
+            --output openarm-can-${GITHUB_REF_NAME}.tar.gz
+          sha256sum \
+            openarm-can-${GITHUB_REF_NAME}.tar.gz > \
+            openarm-can-${GITHUB_REF_NAME}.tar.gz.sha256
+          sha512sum \
+            openarm-can-${GITHUB_REF_NAME}.tar.gz > \
+            openarm-can-${GITHUB_REF_NAME}.tar.gz.sha512
+      - name: Create GitHub Release
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          version=${GITHUB_REF_NAME}
+          gh release create ${GITHUB_REF_NAME} \
+            --discussion-category Announcements \
+            --generate-notes \
+            --repo ${GITHUB_REPOSITORY} \
+            --title "OpenArm CAN ${version}" \
+            --verify-tag \
+            openarm-can-${GITHUB_REF_NAME}.tar.gz*

dev/README.md

@@ -0,0 +1,9 @@
+# Development
+
+## How to release
+
+```bash
+git clone git@github.com:enactic/openarm_can.git
+cd openarm_can
+dev/release.sh ${VERSION} # e.g. dev/release.sh 1.0.0
+```

dev/release.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+#
+# Copyright 2025 Enactic, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eu
+
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 version"
+    echo " e.g.: $0 1.0.0"
+    exit 0
+fi
+
+version="$1"
+
+base_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+cd "${base_dir}"
+
+if [ "${RELEASE_CHECK_ORIGIN:-yes}" = "yes" ]; then
+    git_origin_url="$(git remote get-url origin)"
+    if [ "${git_origin_url}" != "git@github.com:enactic/openarm_can.git" ]; then
+        echo "This script must be ran with working copy of enactic/openarm_can."
+        echo "The origin's URL: ${git_origin_url}"
+        exit 1
+    fi
+fi
+
+if [ "${RELEASE_PULL:-yes}" = "yes" ]; then
+    echo "Ensure using the latest commit"
+    git checkout main
+    git pull --ff-only
+fi
+
+if [ "${RELEASE_TAG:-yes}" = "yes" ]; then
+    echo "Tag"
+    git tag -a -m "OpenArm CAN ${version}" "${version}"
+    git push origin "${version}"
+fi