ci: simplify vab_ci.yml (#13109)

.github/workflows/vab_ci.yml

@@ -12,6 +12,8 @@ jobs:
   vab-compiles-v-examples:
     runs-on: ubuntu-20.04
     timeout-minutes: 121
+    env:
+      VAB_FLAGS: --api 30 --build-tools 29.0.0 -v 3
     steps:
     - uses: actions/setup-java@v2
       with:
@@ -20,33 +22,34 @@ jobs:
 
     - uses: actions/checkout@v2
     - name: Build V
-      run: make -j2 && ./v -cc gcc -o v cmd/v
+      run: make && sudo ./v symlink
+
+    - name: Checkout vab
+      uses: actions/checkout@v2
+      with:
+        repository: vlang/vab
+        path: vab
 
-    - name: Clone vab
-      run: git clone --depth 1 https://github.com/vlang/vab
     - name: Build vab
-      run: cd vab; ../v ./vab.v ; cd ..
+      run: |
+        cd vab
+        v -g vab.v
+        sudo ln -s $(pwd)/vab /usr/local/bin/vab
 
     - name: Run tests
-      run: ./v test vab
-
-    - name: Build vab
-      run: ./v -g vab/vab.v
+      run: v test vab
 
     - name: Run vab --help
-      run: vab/vab --help
+      run: vab --help
 
     - name: Run vab doctor
-      run: |
-        export VEXE=./v
-        vab/vab doctor
+      run: vab doctor
 
     - name: Build graphical V examples as APK
       run: |
         declare -a v_examples=('flappylearning' '2048' 'fireworks' 'tetris' 'sokol/particles' 'sokol/drawing.v' 'sokol/freetype_raven.v' 'gg/polygons.v' 'gg/raven_text_rendering.v' 'gg/rectangles.v' 'gg/stars.v' 'gg/worker_thread.v')
         mkdir apks
-        export VEXE=./v
         for example in "${v_examples[@]}"; do
           safe_name=$(echo "$example" | sed 's%/%-%' | sed 's%\.%-%' )
-          vab/vab --api 29 --build-tools '29.0.0' -v 3 examples/$example -o apks/$safe_name.apk
+          vab examples/$example -o apks/$safe_name.apk
         done