Use release_tag to determine whether we require explicit switch to unstable

Author: Peter-Sh

.github/workflows/apt.yml

@@ -1,4 +1,4 @@
-name: Build Pull Request
+name: Build
 
 on:
   pull_request:
@@ -14,6 +14,14 @@ on:
   workflow_dispatch:
   workflow_call:
 
+run-name: >-
+        ${{ (github.ref_name == 'unstable'
+        || github.event_name == 'workflow_dispatch'
+        || github.event_name == 'workflow_call')
+        && 'Build Unstable'
+        || format('Build on {0} to {1}', github.event_name, github.ref_name)
+        }}
+
 jobs:
   build-n-test:
     uses: ./.github/workflows/build-n-test-all-distros.yml
@@ -22,11 +30,14 @@ jobs:
       BUILD_ARCHS: ${{ vars.BUILD_ARCHS }}
       BUILD_EXCLUDE: ${{ vars.BUILD_EXCLUDE }}
       SMOKE_TEST_IMAGES: ${{ vars.SMOKE_TEST_IMAGES }}
+      # determine whether we should use special "unstable" release_tag
+      # Assume that for unstable branch and for any external call or dispatch
+      # we are building unstable release
+      # In other cases it's a regular PR/push build
       release_tag: >-
         ${{ (github.ref_name == 'unstable'
         || github.event_name == 'workflow_dispatch'
         || github.event_name == 'workflow_call')
         && 'unstable'
         || ''
-        }}
-      checkout_ref: ${{ github.ref_name == 'unstable' && 'unstable' || '' }}
+        }}

.github/workflows/build-n-test-all-distros.yml

@@ -14,10 +14,6 @@ on:
         type: string
       SMOKE_TEST_IMAGES:
         type: string
-      checkout_ref:
-        type: string
-        default: ''
-
 
 jobs:
   build-source-package:
@@ -30,7 +26,7 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
       with:
-        ref: ${{ inputs.checkout_ref || '' }}
+        ref: ${{ inputs.release_tag == 'unstable' && 'unstable' || '' }}
     - name: Ensure Release Branch
       if: inputs.release_tag != '' && inputs.release_tag != 'unstable'
       id: ensure-branch
@@ -43,7 +39,7 @@ jobs:
       with:
         dist: ${{ matrix.dist }}
         release_tag: ${{ inputs.release_tag }}
-        checkout_ref: ${{ inputs.checkout_ref || '' }}
+        checkout_ref: ${{ inputs.release_tag == 'unstable' && 'unstable' || '' }}
 
   build-binary-package:
     runs-on: ${{ contains(matrix.arch, 'arm') && 'ubuntu24-arm64-2-8' || 'ubuntu-24.04' }}
@@ -58,7 +54,7 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
       with:
-        ref: ${{ inputs.checkout_ref || '' }}
+        ref: ${{ inputs.release_tag == 'unstable' && 'unstable' || '' }}
     - name: Ensure Release Branch
       if: inputs.release_tag != '' && inputs.release_tag != 'unstable'
       id: ensure-branch
@@ -72,7 +68,7 @@ jobs:
         dist: ${{ matrix.dist }}
         arch: ${{ matrix.arch }}
         run_id: ${{ github.run_id }}
-        checkout_ref: ${{ inputs.checkout_ref || '' }}
+        checkout_ref: ${{ inputs.release_tag == 'unstable' && 'unstable' || '' }}
 
   smoke-test-archs:
     runs-on: ubuntu-latest
@@ -103,10 +99,10 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
       with:
-        ref: ${{ inputs.checkout_ref || '' }}
+        ref: ${{ inputs.release_tag == 'unstable' && 'unstable' || '' }}
     - uses: ./.github/actions/run-smoke-tests
       with:
         image: ${{ matrix.image }}
         arch: ${{ matrix.arch }}
         run_id: ${{ github.run_id }}
-        checkout_ref: ${{ inputs.checkout_ref || '' }}
+        checkout_ref: ${{ inputs.release_tag == 'unstable' && 'unstable' || '' }}