ci(actions): add custom config + build workflow

Author: LGUG2Z

.github/workflows/build.yml

@@ -0,0 +1,33 @@
+name: 'build'
+
+on:
+  push:
+    branches: 
+      - master
+      - feature/*
+      - hotfix/*
+  pull_request: {}
+  workflow_call: {}
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Update
+        run: |
+          sudo apt-get update -yqq
+          sudo apt-get install bc -yqq
+      - name: Build Kernel
+        run: |
+          sudo bash build-kernel
+          cp linux-msft-wsl-*/vmlinux .
+      - name: Upload Kernel
+        uses: actions/upload-artifact@v3
+        with:
+          name: vmlinux
+          path: vmlinux

build-kernel

@@ -295,7 +295,7 @@ git_ver_fn()
 git_ver_fn 'microsoft/WSL2-Linux-Kernel' '1' 'R'
 if build 'wsl2-linux-kernel' "$g_ver"; then
     download "$g_url" "$g_ver.tar.gz"
-    echo 'yes' | make KCONFIG_CONFIG=Microsoft/config-wsl -j "$cpu_cores"
+    echo 'yes' | make KCONFIG_CONFIG=../config-wsl -j "$cpu_cores"
     build_done 'wsl2-linux-kernel' "$g_ver"
 fi