Allow forcing a specific chart version. (#479)

This is useful for patch releases on older release lines.

.github/workflows/publish-charts.yml

@@ -14,6 +14,12 @@ on:
         options:
           - minor
           - patch
+      force_version:
+        description: "Force a chart version (ignore Chart bump level)"
+      mark_latest:
+        description: "Mark this release as the latest"
+        type: boolean
+        default: true
 
 jobs:
   release:
@@ -46,19 +52,23 @@ jobs:
         run: |
           RE='([0-9]+)\.([0-9]+)\.([0-9]+)'
 
-          current="$(grep -m 1 '^version:' Chart.yaml | awk '{print $2}')"
+          NEW_VERSION="${{ github.event.inputs.force_version }}"
 
-          MAJOR=`echo $current | sed -E "s#$RE#\1#"`
-          MINOR=`echo $current | sed -E "s#$RE#\2#"`
-          PATCH=`echo $current | sed -E "s#$RE#\3#"`
+          if [ -z "${NEW_VERSION}" ]; then
+            current="$(grep -m 1 '^version:' Chart.yaml | awk '{print $2}')"
 
-          if [ "${{ github.event.inputs.bump }}" == "minor" ]; then
-            MINOR=$((MINOR+1))
-            PATCH=0
-          else
-            PATCH=$((PATCH+1))
+            MAJOR=`echo $current | sed -E "s#$RE#\1#"`
+            MINOR=`echo $current | sed -E "s#$RE#\2#"`
+            PATCH=`echo $current | sed -E "s#$RE#\3#"`
+
+            if [ "${{ github.event.inputs.bump }}" == "minor" ]; then
+              MINOR=$((MINOR+1))
+              PATCH=0
+            else
+              PATCH=$((PATCH+1))
+            fi
+            NEW_VERSION="$MAJOR.$MINOR.$PATCH"
           fi
-          NEW_VERSION="$MAJOR.$MINOR.$PATCH"
 
           sed -i -e "s/^version: .*/version: $NEW_VERSION/" Chart.yaml
           sed -i -e "s/^appVersion: .*/appVersion: ${{ github.event.inputs.version }}/" Chart.yaml
@@ -73,5 +83,7 @@ jobs:
 
       - name: Run chart-releaser
         uses: helm/[email protected]
+        with:
+          mark_as_latest: "${{ github.event.inputs.mark_latest }}"
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"