build: Add step "Set fixed workspace"

.github/workflows/build.yml

@@ -186,17 +186,16 @@ jobs:
           remove-docker-images: true
 
       - name: Set fixed workspace
-        env: 
-          GITHUB_WORKSPACE: ${{ github.workspace }}
         run: |
-          sudo mkdir -p $GITHUB_WORKSPACE/_temp
-          #sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-          echo "GITHUB_WORKSPACE = $GITHUB_WORKSPACE"
-          echo "GITHUB_WORKSPACE=$GITHUB_WORKSPACE" >> $GITHUB_ENV
-          echo "RUNNER_TEMP=$GITHUB_WORKSPACE/_temp" >> $GITHUB_ENV
+          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: |
@@ -232,7 +231,7 @@ jobs:
         if: github.event.inputs.use_cache == 'true'
         uses: actions/cache/restore@v4
         with:
-          key: host-tools-001-${{ hashFiles('tools/**') }}
+          key: host-tools-${{ hashFiles('tools/**') }}
           path: |
             staging_dir/host
             build_dir/host
@@ -354,7 +353,7 @@ jobs:
         if: steps.tools.outputs.status == 'success' && github.event.inputs.use_cache != 'true'
         uses: actions/cache/save@v4
         with:
-          key: host-tools-001-${{ hashFiles('tools/**') }}
+          key: host-tools-${{ hashFiles('tools/**') }}
           path: |
             staging_dir/host
             build_dir/host
@@ -370,18 +369,12 @@ jobs:
 
       - name: Kernel compile
         id: kernel
-        if: ${{ steps.tools.outputs.status == 'success' && github.event.inputs.fake_build != 'true' }}
-        run: |
-          make target/linux/compile -j$(npoc)
-          echo "status=success" >> $GITHUB_OUTPUT
-          make package/feeds/packages/mdio-netlink/compile V=s --debug=j
-
-      - name: XXX compile
         if: false # ${{ steps.tools.outputs.status == 'success' && github.event.inputs.fake_build != 'true' }}
         run: |
-          make package/utils/lua/host/compile
-          make package/system/apk/host/compile
-          make make package/feeds/packages/mdio-netlink/compile V=sc
+          make target/linux/compile -j$(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
@@ -409,7 +402,7 @@ jobs:
           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