Cache build directory in CI

.github/workflows/continuous-integration-workflow.yml

@@ -5,7 +5,7 @@ jobs:
   cpplint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - uses: actions/setup-python@v1
     - run: pip install cpplint
     - run: cpplint --recursive .
@@ -25,17 +25,25 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
       with:
-          submodules: recursive
+        submodules: recursive
 
     - name: Add msbuild to PATH
       uses: microsoft/setup-msbuild@v1.0.0
 
+    - name: Load Build Cache
+      id: cache
+      uses: actions/cache@v2
+      env:
+        cache-name: build-cache
+      with:
+        path: build
+        key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles('CMakeLists.txt') }}
+
     - name: Run cmake
       run: |
-        cd ${{ github.workspace }}
-        mkdir build
+        if [ ! ${{ format('{0}', steps.cache.outputs.cache-hit) }} ]; then mkdir build fi
         cd build
         cmake .. -Dtest=ON
 
@@ -101,14 +109,22 @@ jobs:
         node-version: 8
 
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
       with:
           submodules: recursive
 
+    - name: Load Build Cache
+      id: cache
+      uses: actions/cache@v2
+      env:
+        cache-name: build-cache
+      with:
+        path: build
+        key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles('CMakeLists.txt') }}
+
     - name: Run cmake
       run: |
-        cd ${{ github.workspace }}
-        mkdir build
+        if [ ! ${{ format('{0}', steps.cache.outputs.cache-hit) }} ]; then mkdir build fi
         cd build
         cmake .. -Dtest=ON
 
@@ -176,14 +192,22 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
       with:
           submodules: recursive
 
+    - name: Load Build Cache
+      id: cache
+      uses: actions/cache@v2
+      env:
+        cache-name: build-cache
+      with:
+        path: build
+        key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles('CMakeLists.txt') }}
+
     - name: Run cmake
       run: |
-        cd ${{ github.workspace }}
-        mkdir build
+        if [ ! ${{ format('{0}', steps.cache.outputs.cache-hit) }} ]; then mkdir build fi
         cd build
         cmake .. -Dtest=ON
 

CHANGES.md

@@ -4,6 +4,7 @@ Change Log
 ##### Additions :tada:
 * Switch CI builds to GitHub actions [#264](https://github.com/KhronosGroup/COLLADA2GLTF/pull/264)
 * Large-scale code cleanup and add cppcheck to CI to prevent backsliding [#265](https://github.com/KhronosGroup/COLLADA2GLTF/pull/265)
+* Speed up CI build times [#189](https://github.com/KhronosGroup/COLLADA2GLTF/issues/189)
 
 ##### Fixes :wrench:
 * De-duplicate GLTF generated materials [#251](https://github.com/KhronosGroup/COLLADA2GLTF/issues/251)