Run release build CI on main and support source refs

.github/workflows/release.yml

@@ -2,14 +2,20 @@ name: Build and publish release
 
 on:
   push:
+    branches:
+      - main
     tags:
       - '*'
   workflow_dispatch:
     inputs:
       release_tag:
-        description: 'Existing Git tag to publish'
+        description: 'GitHub Release tag to publish'
         required: true
         default: '0.7.3'
+      source_ref:
+        description: 'Source branch/tag/commit to compile'
+        required: true
+        default: 'main'
 
 permissions:
   contents: write
@@ -24,20 +30,25 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Resolve release tag
+      - name: Resolve build metadata
         shell: bash
         run: |
           set -euo pipefail
           if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
             echo "RELEASE_TAG=${{ inputs.release_tag }}" >> "$GITHUB_ENV"
-          else
+            echo "SOURCE_DESCRIPTION=${{ inputs.source_ref }}" >> "$GITHUB_ENV"
+          elif [[ "${GITHUB_REF}" == refs/tags/* ]]; then
             echo "RELEASE_TAG=${GITHUB_REF_NAME}" >> "$GITHUB_ENV"
+            echo "SOURCE_DESCRIPTION=${GITHUB_REF_NAME}" >> "$GITHUB_ENV"
+          else
+            echo "RELEASE_TAG=dev" >> "$GITHUB_ENV"
+            echo "SOURCE_DESCRIPTION=${GITHUB_SHA}" >> "$GITHUB_ENV"
           fi
 
-      - name: Checkout release tag
+      - name: Checkout source
         uses: actions/checkout@v4
         with:
-          ref: ${{ github.event_name == 'workflow_dispatch' && inputs.release_tag || github.ref_name }}
+          ref: ${{ github.event_name == 'workflow_dispatch' && inputs.source_ref || github.ref }}
           fetch-depth: 0
 
       - name: Install Zig
@@ -56,6 +67,7 @@ jobs:
             -Ddpslog=true
 
       - name: Collect release DLLs
+        if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/')
         shell: bash
         run: |
           set -euo pipefail
@@ -87,6 +99,7 @@ jobs:
           done
 
       - name: Add custom WeirdPerformance v0.7.3
+        if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/')
         shell: bash
         run: |
           set -euo pipefail
@@ -120,6 +133,7 @@ jobs:
           PY
 
       - name: Create checksums and ZIP
+        if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/')
         shell: bash
         run: |
           set -euo pipefail
@@ -130,6 +144,7 @@ jobs:
           zip -j "WeirdUtils-${RELEASE_TAG}.zip" release/*.dll release/SHA256SUMS.txt
 
       - name: Publish GitHub Release
+        if: github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/')
         shell: bash
         env:
           GH_TOKEN: ${{ github.token }}
@@ -139,9 +154,9 @@ jobs:
           cat > release-notes.md <<EOF
           WeirdUtils ${RELEASE_TAG}
 
-          - Standard module DLLs are compiled from Git tag `${RELEASE_TAG}` with Zig ${ZIG_VERSION} in ReleaseSmall mode.
+          - Standard module DLLs are compiled from `${SOURCE_DESCRIPTION}` with Zig ${ZIG_VERSION} in ReleaseSmall mode.
           - The upstream WeirdPerformance variant is intentionally excluded.
-          - `weirdperformance.dll` is the custom Dusk-92 v${CUSTOM_WEIRDPERFORMANCE_TAG} build, copied from the Codeberg release with the same version.
+          - `weirdperformance.dll` is the custom Dusk-92 v${CUSTOM_WEIRDPERFORMANCE_TAG} build from the Codeberg release.
           - `SHA256SUMS.txt` is included for integrity checks.
           EOF