Update build.yml

Author: xplshn

.github/workflows/build.yml

@@ -19,8 +19,61 @@ env:
   LDFLAGS: "-static-pie -static"
 
 jobs:
+  fetch-submodules:
+    name: Fetch submodules
+    runs-on: ubuntu-latest
+    
+    container:
+      image: alpine:latest
+      volumes:
+        - /:/host
+        - /tmp/node20:/__e/node20
+
+    steps:
+      - name: Patch Alpine for GitHub Actions
+        run: |
+          apk add --no-cache nodejs npm gcompat git
+          sed -i 's/^ID=.*/ID=gha/' /etc/os-release
+          mkdir -p /__e/node20/bin
+          ln -sf /usr/bin/node /__e/node20/bin/node
+          ln -sf /usr/bin/npm  /__e/node20/bin/npm
+
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Restore submodules cache
+        id: cache-submodules
+        uses: actions/cache/restore@v4
+        with:
+          path: .git/modules
+          key: submodules-${{ hashFiles('.gitmodules') }}
+
+      - name: Fetch submodules
+        run: |
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
+          git submodule update --init --recursive
+
+      - name: Save submodules cache
+        if: steps.cache-submodules.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          path: .git/modules
+          key: submodules-${{ hashFiles('.gitmodules') }}
+
+      - name: Create submodules tarball
+        run: |
+          tar -czf submodules.tar.gz .git/modules
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: submodules
+          path: submodules.tar.gz
+          retention-days: 1
+
   build:
     name: ${{ matrix.arch }}
+    needs: fetch-submodules
     runs-on: ubuntu-latest
 
     container:
@@ -47,9 +100,14 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Fetch submodules
+      - uses: actions/download-artifact@v4
+        with:
+          name: submodules
+
+      - name: Restore submodules
         run: |
           git config --global --add safe.directory "$GITHUB_WORKSPACE"
+          tar -xzf submodules.tar.gz
           git submodule update --init --recursive
 
       - name: Install LLVM toolchain
@@ -72,7 +130,7 @@ jobs:
           TARGET: ${{ matrix.arch }}-alpine-linux-musl
         run: |
           set -e
-          ./cbuild.sh fetch
+          ./cbuild.sh clean
           ./cbuild.sh
 
           mkdir -p dist
@@ -98,6 +156,7 @@ jobs:
       - uses: actions/download-artifact@v4
         with:
           path: artifacts
+          pattern: baseutils-*
           merge-multiple: true
 
       - name: Update continuous release