Merge pull request #3044 from reubenmiller/ci-changelog-generate-from…

…-tags

ci: changelog generation from tags and don't fail on errors

.github/workflows/build-workflow.yml

@@ -441,7 +441,9 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          just generate-changelog
+          if ! just generate-changelog --from-tags; then
+            echo "Warning: Failed to generate changelog, but it should not block a release" > _CHANGELOG.md
+          fi
       - name: Release
         uses: softprops/action-gh-release@v2
         env:

ci/changelog/changelog.sh

@@ -10,13 +10,18 @@ $0 [FROM_VERSION] [TO_VERSION]
 
 
 Flags
+    --from-tags                     Detect from/to versions are detected
+                                    from the most recent two git tags (version sorted)
     --help | -h                     Show this help
 
 Examples
 
     $0
     # Generate the changelog since the last release
 
+    $0 --from-tags
+    # Generate the changelog from the latest official release (detected from git tags)
+
     $0 1.1.1 HEAD
     # Generate the changelog between version 1.1.1 and the current unreleased version (using the new version)
 
@@ -27,13 +32,17 @@ EOT
 
 FROM_VERSION=
 TO_VERSION=
+FROM_TAGS=0
 
 while [ $# -gt 0 ]; do
     case "$1" in
         --help|-h)
             usage
             exit 0
             ;;
+        --from-tags)
+            FROM_TAGS=1
+            ;;
         --*|-*)
             echo "Unknown flag" >&2
             usage
@@ -72,6 +81,13 @@ if [ -z "$GITHUB_TOKEN" ]; then
     echo >&2
 fi
 
+# Lookup the from/to versions using git --tag (with version sorting)
+if [ "$FROM_TAGS" = 1 ]; then
+    echo "Detecting from/to version from git tags" >&2
+    FROM_VERSION=$(git tag --list | sort -V | grep "^[0-9]" | tail -n2 | head -n1)
+    TO_VERSION=$(git tag --list | sort -V | grep "^[0-9]" | tail -n1)
+fi
+
 if [ -z "$FROM_VERSION" ]; then
     FROM_VERSION=$(git-cliff --context --unreleased | jq -r '.[0].previous.version')
 fi