add ipv6 support

.github/workflows/cron.yml

@@ -43,9 +43,13 @@ jobs:
         if: steps.check.outputs.sha != ''
         run: go run cmd/compile/main.go
 
+      - name: Show kernel config
+        if: steps.check.outputs.sha != ''
+        run: cat linux-sources/.config
+
       - name: Commit the new kernel
         if: steps.check.outputs.sha != ''
         uses: stefanzweifel/git-auto-commit-action@v4
         with:
           commit_message: kernel ${{steps.fetch.outputs.version}}
-          tagging_message: v1.0.0-${{steps.fetch.outputs.version}}
+          tagging_message: v1.0.1-${{steps.fetch.outputs.version}}

README.md

@@ -28,7 +28,7 @@ go run cmd/compile/main.go
 
 It will compile the kernel located in `linux-sources` using a [crossbuild docker image](https://github.com/gokrazy-community/crossbuild-armhf) and copy the resulting files in the `dist` folder.
 
-It uses default kernel config (`make bcmrpi_defconfig`), as recommended by the [official documentation](https://www.raspberrypi.com/documentation/computers/linux_kernel.html#cross-compiling-the-kernel), with the addition of the SquashFS module (`CONFIG_SQUASHFS`, which is required for gokrazy).
+It uses default kernel config (`make bcmrpi_defconfig`), as recommended by the [official documentation](https://www.raspberrypi.com/documentation/computers/linux_kernel.html#cross-compiling-the-kernel), with the addition of the SquashFS module (`CONFIG_SQUASHFS`, which is required for gokrazy) and `CONFIG_IPV6`.
 
 ## Update check
 

cmd/compile/main.go

@@ -69,12 +69,13 @@ func run() error {
 		return err
 	}
 
-	// adjust config to add CONFIG_SQUASHFS
+	// adjust config to add CONFIG_SQUASHFS and CONFIG_IPV6
 	configPath := filepath.Join(kernelFolder, ".config")
 	err = adjustTextFile(configPath, func(line string) bool {
-		return strings.HasPrefix(line, "CONFIG_SQUASHFS=")
+		return strings.HasPrefix(line, "CONFIG_SQUASHFS=") || strings.HasPrefix(line, "CONFIG_IPV6=")
 	}, []string{
 		"CONFIG_SQUASHFS=y",
+		"CONFIG_IPV6=y",
 	})
 	if err != nil {
 		return err