Update build.yml

Author: NWPlayer123

.github/workflows/build.yml

@@ -15,38 +15,55 @@ jobs:
         version: [G8MJ01]
 
     steps:
-    # Checkout the repository
-    - name: Checkout
-      uses: actions/checkout@v4
-      with:
-        submodules: recursive
-
-    # Set Git config
-    - name: Git config
-      run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
-
-    # Copy the original files to the workspace
-    - name: Prepare
-      run: cp -R /orig .
-
-    # Build the project
-    - name: Build
-      run: |
-        python configure.py --map --version ${{ matrix.version }} \
-            --binutils /binutils --compilers /compilers
-        ninja all_source build/${{ matrix.version }}/progress.json \
-            build/${{ matrix.version }}/report.json
-
-    # Upload map files
-    - name: Upload map
-      uses: actions/upload-artifact@v4
-      with:
-        name: ${{ matrix.version }}_maps
-        path: build/${{ matrix.version }}/**/*.MAP
-
-    # Upload progress report
-    - name: Upload report
-      uses: actions/upload-artifact@v4
-      with:
-        name: ${{ matrix.version }}_report
-        path: build/${{ matrix.version }}/report.json
+      # Checkout the repository
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      # Set Git config
+      - name: Git config
+        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+
+      # Normalize file mod times
+      - name: Restore timestamps
+        run: |
+          uv run https://raw.githubusercontent.com/MestreLion/git-tools/refs/tags/v2022.12/git-restore-mtime \
+              --merge --commit-time
+
+      # Copy the original files to the workspace
+      - name: Prepare
+        run: cp -a /orig .
+
+      # Restore cached files
+      - name: Cache build
+        uses: actions/cache@v4
+        with:
+          path: |
+            build
+            .ninja_deps
+            .ninja_log
+          key: ${{ runner.os }}-${{ matrix.version }}-${{ github.sha }}
+          restore-keys: ${{ runner.os }}-${{ matrix.version }}-
+
+      # Build the project
+      - name: Build
+        run: |
+          python configure.py --map --version ${{ matrix.version }} \
+              --binutils /binutils --compilers /compilers
+          ninja all_source progress build/${{ matrix.version }}/report.json
+
+      # Upload map files
+      - name: Upload map
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.version }}_maps
+          path: build/${{ matrix.version }}/**/*.MAP
+
+      # Upload progress report
+      - name: Upload report
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.version }}_report
+          path: build/${{ matrix.version }}/report.json