cmd/mkinitfs: use a BootDeploy type for running boot-deploy

cmd/mkinitfs/main.go

@@ -4,18 +4,16 @@
 package main
 
 import (
-	"errors"
 	"flag"
 	"fmt"
-	"io"
 	"log"
 	"os"
-	"os/exec"
 	"path/filepath"
 	"strings"
 	"time"
 
 	"gitlab.com/postmarketOS/postmarketos-mkinitfs/internal/archive"
+	"gitlab.com/postmarketOS/postmarketos-mkinitfs/internal/bootdeploy"
 	"gitlab.com/postmarketOS/postmarketos-mkinitfs/internal/filelist"
 	"gitlab.com/postmarketOS/postmarketos-mkinitfs/internal/filelist/hookdirs"
 	"gitlab.com/postmarketOS/postmarketos-mkinitfs/internal/filelist/hookfiles"
@@ -104,119 +102,18 @@ func main() {
 		log.Fatalf("failed to generate %q: %s\n", "initramfs-extra", err)
 	}
 
-	if err := copyUbootFiles(workDir, devinfo); errors.Is(err, os.ErrNotExist) {
-		log.Println("u-boot files copying skipped: ", err)
-	} else {
-		if err != nil {
-			log.Fatal("copyUbootFiles: ", err)
-		}
-	}
-
 	// Final processing of initramfs / kernel is done by boot-deploy
-	if err := bootDeploy(workDir, *outDir); err != nil {
+	if err := bootDeploy(workDir, *outDir, devinfo.UbootBoardname); err != nil {
 		log.Fatal("bootDeploy: ", err)
 	}
 
 }
 
-func bootDeploy(workDir string, outDir string) error {
-	// boot-deploy expects the kernel to be in the same dir as initramfs.
-	// Assume that the kernel is in the output dir...
+func bootDeploy(workDir, outDir, ubootBoardname string) error {
 	log.Print("== Using boot-deploy to finalize/install files ==")
-	kernels, _ := filepath.Glob(filepath.Join(outDir, "vmlinuz*"))
-	if len(kernels) == 0 {
-		return errors.New("Unable to find any kernels at " + filepath.Join(outDir, "vmlinuz*"))
-	}
 
-	// Pick a kernel that does not have suffixes added by boot-deploy
-	var kernFile string
-	for _, f := range kernels {
-		if strings.HasSuffix(f, "-dtb") || strings.HasSuffix(f, "-mtk") {
-			continue
-		}
-		kernFile = f
-		break
-	}
-
-	kernFd, err := os.Open(kernFile)
-	if err != nil {
-		return err
-	}
-	defer kernFd.Close()
-
-	kernFileCopy, err := os.Create(filepath.Join(workDir, "vmlinuz"))
-	if err != nil {
-		return err
-	}
-
-	if _, err = io.Copy(kernFileCopy, kernFd); err != nil {
-		return err
-	}
-	kernFileCopy.Close()
-
-	// boot-deploy -i initramfs -k vmlinuz-postmarketos-rockchip -d /tmp/cpio -o /tmp/foo initramfs-extra
-	cmd := exec.Command("boot-deploy",
-		"-i", "initramfs",
-		"-k", "vmlinuz",
-		"-d", workDir,
-		"-o", outDir,
-		"initramfs-extra")
-	if !misc.Exists(cmd.Path) {
-		return errors.New("boot-deploy command not found")
-	}
-
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
-	if err := cmd.Run(); err != nil {
-		log.Print("'boot-deploy' command failed")
-		return err
-	}
-
-	return nil
-}
-
-func Copy(srcFile, dstFile string) error {
-	out, err := os.Create(dstFile)
-	if err != nil {
-		return err
-	}
-
-	defer out.Close()
-
-	in, err := os.Open(srcFile)
-	if err != nil {
-		return err
-	}
-	defer in.Close()
-
-	_, err = io.Copy(out, in)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func copyUbootFiles(path string, devinfo deviceinfo.DeviceInfo) error {
-	if devinfo.UbootBoardname == "" {
-		return nil
-	}
-
-	srcDir := filepath.Join("/usr/share/u-boot", devinfo.UbootBoardname)
-	entries, err := os.ReadDir(srcDir)
-	if err != nil {
-		return err
-	}
-	for _, entry := range entries {
-		sourcePath := filepath.Join(srcDir, entry.Name())
-		destPath := filepath.Join(path, entry.Name())
-
-		if err := Copy(sourcePath, destPath); err != nil {
-			return err
-		}
-	}
-
-	return nil
+	bd := bootdeploy.New(workDir, outDir, ubootBoardname)
+	return bd.Run()
 }
 
 func generateArchive(name string, path string, features []filelist.FileLister) error {