ci : extract vad job to vad.yml

Author: danbev

.github/workflows/build.yml

@@ -44,6 +44,7 @@ on:
       - '.github/workflows/build-android.yml'   # handled by build-android.yml
       - '.github/workflows/quantize.yml'        # handled by quantize.yml
       - '.github/workflows/coreml.yml'          # handled by coreml.yml
+      - '.github/workflows/vad.yml'             # handled by vad.yml
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
@@ -72,24 +73,6 @@ jobs:
 #            cmake -B build
 #            cmake --build build --config Release
 
-  vad:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v6
-
-      - name: Build
-        shell: bash
-        run: |
-          cmake -B build
-          cmake --build build --config Release
-
-      - name: Test
-        shell: bash
-        run: |
-          ctest -R ^test-vad$ --test-dir build --output-on-failure -VV
-
 # TODO: simplify the following workflows using a matrix
   ggml-ci-x64-cpu-low-perf:
     runs-on: ubuntu-22.04

.github/workflows/vad.yml

@@ -0,0 +1,43 @@
+name: CI (vad)
+
+on:
+  workflow_dispatch: # allows manual triggering
+  push:
+    branches:
+      - master
+    paths: ['.github/workflows/vad.yml',
+            '**/CMakeLists.txt',
+            '**/*.h',
+            '**/*.hpp',
+            '**/*.c',
+            '**/*.cpp']
+
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths-ignore:
+      - 'bindings/ruby/**'        # handled by bindings-ruby.yml
+      - 'bindings/go/**'          # handled by bindings-go.yml
+      - 'examples/addon.node/**'  # handled by examples.yml
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  vad:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Build
+        shell: bash
+        run: |
+          cmake -B build
+          cmake --build build --config Release
+
+      - name: Test
+        shell: bash
+        run: |
+          ctest -R ^test-vad$ --test-dir build --output-on-failure -VV