ci: use existing nomount-metamodule action (nm only, no .ko) for NoMount job

.github/workflows/main.yml

@@ -493,8 +493,6 @@ jobs:
   build-nomount-module:
     needs: resolve-sources
     runs-on: ubuntu-latest
-    env:
-      GH_TOKEN: ${{ secrets.MY_GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v7
         if: ${{ inputs.use_nomount }}
@@ -511,101 +509,21 @@ jobs:
             exit 2
           fi
           echo "NoMount commit: ${COMMIT}"
-          git clone https://github.com/maxsteeel/nomount.git nomount_src
-          git -C nomount_src checkout --detach "$COMMIT"
           echo "commit=${COMMIT}" >> "$GITHUB_OUTPUT"
-          echo "Cloned NoMount at ${COMMIT}"
 
-      - name: Setup zig
+      - name: Build NoMount metamodule (nm only, no .ko)
         if: ${{ inputs.use_nomount }}
-        uses: jetsung/setup-zig@v0.0.4
+        id: buildmod
+        uses: ./.github/actions/nomount-metamodule
         with:
-          version: master
-
-      - name: Build nm userspace binary
-        if: ${{ inputs.use_nomount }}
-        shell: bash
-        run: |
-          set -euo pipefail
-          # Replicate maxsteeel build.yml: compile nm.c for arm64 + arm via zig cc,
-          # then strip with sstrip from ELFkickers (same as upstream).
-          cd nomount_src
-          curl -L https://www.muppetlabs.com/~breadbox/pub/software/ELFkickers-3.2.tar.gz -o sstrip.tar.gz
-          tar xf sstrip.tar.gz
-          make -C ELFkickers-3.2 sstrip
-          cp ELFkickers-3.2/sstrip/sstrip ./sstrip
-          chmod +x ./sstrip
-
-          mkdir -p bin
-          zig cc -target aarch64-linux -Oz -mcmodel=tiny -static -nostdlib -ffreestanding -fno-unwind-tables \
-            -fno-ident -Wno-invalid-noreturn -Wl,--entry=_start userspace/src/nm.c -o bin/nm-arm64
-          zig cc -target arm-linux -Oz -static -nostdlib -ffreestanding -fno-unwind-tables -fno-ident -Wno-invalid-noreturn \
-            -ffunction-sections -fdata-sections -Wl,--gc-sections -Wl,--entry=_start userspace/src/nm.c -o bin/nm-arm
-          ./sstrip -z bin/nm-arm64
-          ./sstrip -z bin/nm-arm
-          file bin/nm-*
-          mkdir -p ../module/bin
-          cp -f bin/nm-arm64 bin/nm-arm ../module/bin/
-
-      - name: Build ko-loader
-        if: ${{ inputs.use_nomount }}
-        shell: bash
-        run: |
-          set -euo pipefail
-          # Replicate maxsteeel build.yml ko-loader step (zig cc).
-          cd nomount_src
-          git clone https://github.com/maxsteeel/ko-loader.git ko_loader_src
-          cd ko_loader_src
-          make TARGET=aarch64-linux && mv ko-loader ko-loader-arm64
-          make TARGET=arm-linux && mv ko-loader ko-loader-arm
-          ../sstrip -z ko-loader-arm64
-          ../sstrip -z ko-loader-arm
-          file ko-loader-*
-          mv ko-loader-* ../module/bin/
-
-      - name: Update version code + webroot (replicate upstream)
-        if: ${{ inputs.use_nomount }}
-        shell: bash
-        run: |
-          set -euo pipefail
-          cd nomount_src
-          sed -i 's/^versionCode=.*/versionCode=${{ github.run_number }}/' module/module.prop
-          # Optimize webroot via standalone esbuild (same as upstream build.yml).
-          MODULE_BUILD="module"
-          sed '/@import ".\/theme.css";/d' module/webroot/styles.css > "$RUNNER_TEMP/temp.css"
-          cat "$RUNNER_TEMP/temp.css" module/webroot/theme.css > "$RUNNER_TEMP/combined.css"
-          curl -sL "https://registry.npmjs.org/@esbuild/linux-x64/-/linux-x64-0.28.1.tgz" -o /tmp/esbuild.tgz
-          tar -xzf /tmp/esbuild.tgz -C /tmp && mv /tmp/package/bin/esbuild /tmp/esbuild && chmod +x /tmp/esbuild
-          /tmp/esbuild module/webroot/index.js --bundle --format=esm --minify --outfile="$RUNNER_TEMP/index.js"
-          /tmp/esbuild "$RUNNER_TEMP/combined.css" --minify --outfile="$RUNNER_TEMP/styles.css"
-          tr '\n' ' ' < module/webroot/index.html | sed 's/  */ /g' | sed 's/> </></g' > "$RUNNER_TEMP/index.html"
-          install -m 0644 "$RUNNER_TEMP/index.js" "$MODULE_BUILD/webroot/index.js"
-          install -m 0644 "$RUNNER_TEMP/styles.css" "$MODULE_BUILD/webroot/styles.css"
-          install -m 0644 "$RUNNER_TEMP/index.html" "$MODULE_BUILD/webroot/index.html"
-          rm "$MODULE_BUILD/webroot/theme.css"
-
-      - name: Package NoMount metamodule
-        id: package
-        if: ${{ inputs.use_nomount }}
-        shell: bash
-        run: |
-          set -euo pipefail
-          COMMIT="${{ steps.clone.outputs.commit }}"
-          module_zip="${RUNNER_TEMP}/NoMount-${COMMIT}.zip"
-          # Package the module/ directory (webroot, scripts, module.prop, bin/nm, bin/ko-loader).
-          # LKM .ko files are intentionally skipped: the kernel builds nomount
-          # in-tree (CONFIG_NOMOUNT=y via the nomount action).
-          ( cd nomount_src/module && zip -qr "$module_zip" . )
-          sha256sum "$module_zip" > "${module_zip}.sha256"
-          echo "module_path=$module_zip" >> "$GITHUB_OUTPUT"
-          echo "Package size: $(du -h "$module_zip" | cut -f1)"
+          commit: ${{ steps.clone.outputs.commit }}
 
       - name: Upload NoMount metamodule
         if: ${{ inputs.use_nomount }}
         uses: actions/upload-artifact@v7
         with:
           name: NoMount-Metamodule
-          path: ${{ steps.package.outputs.module_path }}
+          path: ${{ steps.buildmod.outputs.module_path }}
           if-no-files-found: error
           compression-level: 0