added workflow for app release

.github/workflows/nmc-app-release.yml

@@ -0,0 +1,51 @@
+###
+# SPDX-License-Identifier: AGPL-3.0
+#
+# Author: Bernd rederlechner <[email protected]>
+#
+# Builds a stable release package based on a release assembly
+# customisation-<version>-<increment>
+#
+# As soon as a package is deployed to production, the tag and the branch
+# MUST STAY FOR 2 years and not deleted.
+#
+# Release packages, tags and customisation branches not delivered to production should
+# be deleted asap a newer release is available.
+#
+
+name: MCLOUD app release
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        type: choice
+        description: Branch to build a package from
+        options: 
+          - main
+          - stable25
+          - stable26
+          - stable27
+          - stable28
+      increment:
+        description: 'Release increment'
+        required: true
+        type: number
+
+jobs:
+  check-app:
+    uses: nextmcloud/.github/.github/workflows/nmc-app-precond.yml@master
+    with:
+      versionbranch: ${{ inputs.branch }}
+      increment: ${{ inputs.increment }}
+    secrets: inherit
+  build-app:
+    uses: nextmcloud/.github/.github/workflows/nmc-app-build.yml@nmc/2027-build-test-rtoth
+    needs: check-app
+    with:
+      appname: ${{ needs.check-app.outputs.appname }}
+      branch: ${{ inputs.branch }}
+      tag: ${{ needs.check-app.outputs.tag }}
+      prerelease: ${{ inputs.branch == 'main' && true || false }}
+    secrets: inherit
+