build: Add step "Set fixed workspace"

.github/workflows/build.yml

@@ -53,7 +53,6 @@ env:
   REPO_LNK: openwrt-xiaomi/openwrt
   REPO_BRANCH: xq-25.12
   TAG_PREFIX: v25-
-  DEPENDENCIES: ${{ github.workspace }}/dependencies-ubuntu.txt
   TZ: UTC
   DEVICE_NAME: unknown
   BUILD_DATE: unknown
@@ -185,9 +184,18 @@ jobs:
           remove-haskell: true
           remove-codeql: true
           remove-docker-images: true
-        
+
+      - name: Set fixed workspace
+        run: |
+          sudo mkdir -p /builder/openwrt /builder/tmp
+          sudo chown -R $USER:$USER /builder
+          echo "GITHUB_WORKSPACE=/builder/openwrt" >> $GITHUB_ENV
+          echo "RUNNER_TEMP=/builder/tmp" >> $GITHUB_ENV
+          
       - name: Checkout builder
         uses: actions/checkout@main
+        with:
+          path: /builder/openwrt
 
       - name: Download OpenWrt sources
         run: |
@@ -223,11 +231,39 @@ jobs:
         if: github.event.inputs.use_cache == 'true'
         uses: actions/cache/restore@v4
         with:
-          key: host-tools-${{ runner.os }}-${{ hashFiles('tools/**') }}
+          key: host-tools-${{ hashFiles('tools/**') }}
           path: |
             staging_dir/host
             build_dir/host
 
+      - name: Fix time stamps into restored dirs
+        if: github.event.inputs.use_cache == 'true' && steps.tools_cache_restore.outputs.cache-hit == 'true'
+        run: |
+          touch staging_dir/host/.prepared
+          touch staging_dir/host/.prereq-build
+          touch staging_dir/host/stamp/.* 2>/dev/null
+          find build_dir/host -name ".prepared*"  -exec touch {} +
+          find build_dir/host -name ".configured" -exec touch {} +
+          find build_dir/host -name ".built"      -exec touch {} +
+          touch build_dir/stamp
+
+      - name: Inspect restored host tools
+        if: github.event.inputs.use_cache == 'true'
+        run: |
+          echo "====== openwrt-native.txt ======"
+          cat build_dir/host/pkgconf-*/openwrt-native.txt || true
+          echo "====== staging_dir/host ====="
+          du -sh staging_dir/host || true
+          ls -la staging_dir/host || true
+          echo "====== staging_dir/host/bin ====="
+          du -sh staging_dir/host/bin || true
+          ls -1  staging_dir/host/bin | head -20 || true
+          echo "====== build_dir/host ======="
+          du -sh build_dir/host || true
+          ls -1  build_dir/host | head -20 || true
+          echo "====== path info ========"
+          grep -R "/home/runner" build_dir/host | head
+
       - name: Configure
         id: configure
         if: steps.update.outputs.status == 'success'
@@ -284,6 +320,17 @@ jobs:
           make -j$(nproc) download
           echo "status=success" >> $GITHUB_OUTPUT
 
+      - name: Fix time stamps into restored dirs
+        if: github.event.inputs.use_cache == 'true' && steps.tools_cache_restore.outputs.cache-hit == 'true'
+        run: |
+          touch staging_dir/host/.prepared
+          touch staging_dir/host/.prereq-build
+          touch staging_dir/host/stamp/.* 2>/dev/null
+          find build_dir/host -name ".prepared*"  -exec touch {} +
+          find build_dir/host -name ".configured" -exec touch {} +
+          find build_dir/host -name ".built"      -exec touch {} +
+          touch build_dir/stamp
+
       - name: Build tools and toolchain
         id: tools
         if: ${{ steps.configure.outputs.status == 'success' && github.event.inputs.fake_build != 'true' }}
@@ -306,16 +353,28 @@ jobs:
         if: steps.tools.outputs.status == 'success' && github.event.inputs.use_cache != 'true'
         uses: actions/cache/save@v4
         with:
-          key: host-tools-${{ runner.os }}-${{ hashFiles('tools/**') }}
+          key: host-tools-${{ hashFiles('tools/**') }}
           path: |
             staging_dir/host
             build_dir/host
 
-      - name: Kernel compile and install
+      - name: Configure 2
-        id: kernel
+        id: configure2
-        if: ${{ steps.tools.outputs.status == 'success' && github.event.inputs.fake_build != 'true' }}
+        if: steps.tools.outputs.status == 'success'
+        env: 
+          TARGET: ${{ matrix.target }}
         run: |
-          make target/linux/install -j$(nproc)
+          make clean
+          ./xmake.sh -I -t $TARGET
+
+      - name: Kernel compile
+        id: kernel
+        if: false # ${{ steps.tools.outputs.status == 'success' && github.event.inputs.fake_build != 'true' }}
+        run: |
+          make target/linux/compile -j$(npoc)
+          make target/linux/install -j$(npoc)
+          make target/linux/dtb -j$(npoc)
+          make target/linux/prereq
           echo "status=success" >> $GITHUB_OUTPUT
 
       - name: Monitor memory 2
@@ -330,18 +389,20 @@ jobs:
 
       - name: Build the firmware image
         id: compile
-        if: steps.tools.outputs.status == 'success' && steps.kernel.outputs.status == 'success'
+        if: steps.tools.outputs.status == 'success'
         env: 
           TARGET: ${{ matrix.target }}
         run: |
           echo "Run $(nproc) thread compile"
           if [ "$FAKE_BUILD" != "true" -a "$TEST_BUILD" = "true" -a "$PACKAGE_DIR" != "" ]; then
+              make target/linux/compile -j$(npoc)
+              echo "=============== BUILD PACKAGE: $PACKAGE_DIR ==============="
               make $PACKAGE_DIR/compile V=sc BUILD_LOG=1
               exit 99
           fi
           if [ "$FAKE_BUILD" != "true" ]; then
               if [ "$TEST_BUILD" != "true" ]; then
-                  make -j$(nproc) world
+                  make -j$(nproc) download world
               else
                   make V=sc world
               fi