ci: Add debug kernel build (#506)

.github/workflows/gki-kernel.yml

@@ -45,6 +45,10 @@ on:
         description: >
           Artifact name of prebuilt ksud to be embedded
           for example: ksud-aarch64-linux-android
+      debug:
+        required: false
+        type: boolean
+        default: false
     secrets:
       BOOT_SIGN_KEY:
         required: false
@@ -91,6 +95,7 @@ jobs:
       - name: Setup KernelSU
         env:
           PATCH_PATH: ${{ inputs.patch_path }}
+          IS_DEBUG_KERNEL: ${{ inputs.debug }}
         run: |
           cd $GITHUB_WORKSPACE/android-kernel
           echo "[+] KernelSU setup"
@@ -105,6 +110,11 @@ jobs:
           cd $GKI_ROOT/common/ && git apply $GITHUB_WORKSPACE/KernelSU/.github/patches/$PATCH_PATH/*.patch
           echo "Patch script/setlocalversion"
           sed -i 's/-dirty//g' $GKI_ROOT/common/scripts/setlocalversion
+
+          if [ "$IS_DEBUG_KERNEL" = "true"]; then
+            echo "[+] Enable debug features for kernel"
+            echo "ccflags-y += -DCONFIG_KSU_DEBUG" >> $GITHUB_WORKSPACE/KernelSU/kernel/Makefile
+          fi
           echo "[+] KernelSU setup done."
 
       - name: Symbol magic