Add release script (#736)

.github/workflows/release.yml

@@ -34,15 +34,3 @@ jobs:
           asset_path: ./packages.dhall
           asset_name: packages.dhall
           asset_content_type: application/x-dhall
-        # Now checkout master in order to update the latest-compatible-sets.json file
-      - uses: actions/checkout@v2
-        with:
-          ref: 'master'
-      - name: Update latest-compatible-sets.json
-        run: |
-          nix-shell --run './update-latest-compatible-sets.sh ${{ github.ref }}'
-      - name: Commit changes to latest-compatible-sets.json
-        uses: stefanzweifel/git-auto-commit-action@v4
-        with:
-          commit_message: Update latest-compatible-sets.json for ${{ github.ref }}
-          file_pattern: latest-compatible-sets.json

release.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash
+
+set -euxo pipefail
+
+# Please use this script to cut new releases. It will generate a new tag name
+# based on the current date, update the latest releases file, and push the tag
+
+# TODO: fail if there's a tag with this same name, as sometimes we publish more than one per day
+
+LATEST_PURS="0.13.8"
+NEW_TAG="psc-${LATEST_PURS}-`date +'%Y%m%d'`"
+
+./update-latest-compatible-sets.sh "${NEW_TAG}"
+
+git add latest-compatible-sets.json
+
+git commit -m "Update to the latest tag"
+
+git push
+
+git tag "${NEW_TAG}"
+
+git push origin "${NEW_TAG}"