ci: dispatch distro builds from Release & guard shared Void index

(cherry picked from commit 3388f78905)

.github/workflows/point-release.yml

@@ -103,5 +103,5 @@ jobs:
           {
             echo "## ${{ steps.derive.outputs.tag }} tagged on ${{ steps.derive.outputs.branch }} — Release workflow dispatched"
             echo ""
-            echo "Distro builds are manual: run the per-distro workflows (COPR/OBS/PPA/XBPS) once the release is published."
+            echo "Distro builds (COPR/OBS/PPA/XBPS) are dispatched by the Release workflow once the release is published."
           } >> "$GITHUB_STEP_SUMMARY"

.github/workflows/release.yml

@@ -559,3 +559,38 @@ jobs:
           set -euo pipefail
           gh workflow run pin-release.yml --repo "$REPO" -f version="$TAG"
           echo "dispatched pin-release ${TAG} to ${REPO}" >> "$GITHUB_STEP_SUMMARY"
+
+  # Build the stable dms package on every distro channel. Runs after the
+  # release job so every asset the packaging scripts download already exists.
+  distros:
+    name: Dispatch ${{ matrix.workflow }}
+    runs-on: ubuntu-latest
+    needs: [release]
+    if: ${{ !contains(inputs.tag, '-') }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - workflow: run-copr.yml
+            args: -f package=dms -f version=__VERSION__ -f release=1
+          - workflow: run-obs.yml
+            args: -f package=dms
+          - workflow: run-ppa.yml
+            args: -f package=dms
+          - workflow: run-xbps.yml
+            args: -f version=__TAG__ -f build_dms=true -f build_git=false
+    steps:
+      - name: Dispatch packaging workflow
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          WORKFLOW: ${{ matrix.workflow }}
+          ARGS: ${{ matrix.args }}
+          TAG: ${{ inputs.tag }}
+        run: |
+          set -euo pipefail
+          VERSION="${TAG#v}"
+          ARGS="${ARGS//__VERSION__/$VERSION}"
+          ARGS="${ARGS//__TAG__/$TAG}"
+          # shellcheck disable=SC2086
+          gh workflow run "$WORKFLOW" --repo "${{ github.repository }}" $ARGS
+          echo "dispatched ${WORKFLOW} for ${TAG} (${ARGS})" >> "$GITHUB_STEP_SUMMARY"

.github/workflows/run-xbps.yml

@@ -3,9 +3,7 @@ name: Void Linux XBPS Repository
 on:
   schedule:
     - cron: "0 2,5,14,17,20,23 * * *" # 9am, 12pm, 3pm, 6pm, 9pm, 12am EST (UTC times shown)
-  # release trigger disabled; dispatch manually after a release
-  # release:
-  #   types: [published]
+  # Stable builds are dispatched by release.yml after the release assets exist.
   workflow_dispatch:
     inputs:
       version:
@@ -49,7 +47,9 @@ jobs:
         run: |
           SHOULD_BUILD=true
           if [ "${{ github.event_name }}" = "schedule" ]; then
-            PUBLISHED_COMMIT="$(curl -fsSL --retry 3 "$MANIFEST_URL" | jq -r '.source_commit // empty' 2>/dev/null || true)"
+            # dms/current is shared with dux-packaging; read this repo's own entry
+            PUBLISHED_COMMIT="$(curl -fsSL --retry 3 "$MANIFEST_URL" \
+              | jq -r --arg repo "${{ github.repository }}" '.sources[$repo] // .source_commit // empty' 2>/dev/null || true)"
             if [ "$PUBLISHED_COMMIT" = "${{ github.sha }}" ]; then
               SHOULD_BUILD=false
               echo "${{ github.sha }} is already published; skipping the scheduled build."