getInitfsModules: don't fail if kernel modules dir does not exist

This directory doesn't exist all the time, e.g. if the kernel was built without modules or no modules were installed for some reason. Assume the kernel package knows what it is doing and just print a message that might be helpful if the kernel package ends up not knowing what it is doing.
2021-09-05 14:23:58 -07:00
11 changed files with 211 additions and 415 deletions
--- a/.ci/check_linting.sh
+++ b/.ci/check_linting.sh
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-echo "### Running gofmt..."
-files="$(gofmt -l .)"
-
-if [ !  -z "$files" ]; then
-	# run gofmt to print out the diff of what needs to be changed
-	gofmt -d -e .
-	exit 1
-fi
-
-echo "### Running staticcheck..."
-staticcheck ./...
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 ---

 # global settings
-image: alpine:edge
+image: alpine:latest

 stages:
  - lint
@@ -27,11 +27,9 @@ gofmt linting:
  allow_failure: true
  <<: *only-default
  before_script:
-    # specific mirror used because staticcheck hasn't made it to the other mirrors yet...
-    - apk -q update --repository http://dl-4.alpinelinux.org/alpine/edge/testing
-    - apk -q add --repository http://dl-4.alpinelinux.org/alpine/edge/testing go staticcheck
+    - apk -q add go
  script:
-    - .ci/check_linting.sh
+    - .gitlab-ci/check_gofmt.sh

 build:
  stage: build
--- a/.gitlab-ci/check_gofmt.sh
+++ b/.gitlab-ci/check_gofmt.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+files="$(gofmt -l .)"
+
+[ -z "$files" ] && exit 0
+
+# run gofmt to print out the diff of what needs to be changed
+
+gofmt -d -e .
+
+exit 1
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,8 @@ module gitlab.com/postmarketOS/postmarketos-mkinitfs
 go 1.16

 require (
+	git.sr.ht/~sircmpwn/getopt v0.0.0-20201218204720-9961a9c6298f
+	github.com/BurntSushi/toml v0.4.0
 	github.com/cavaliercoder/go-cpio v0.0.0-20180626203310-925f9528c45e
 	github.com/klauspost/compress v1.13.3 // indirect
 	github.com/klauspost/pgzip v1.2.5
--- a/go.sum
+++ b/go.sum
@@ -1,9 +1,30 @@
+git.sr.ht/~sircmpwn/getopt v0.0.0-20201218204720-9961a9c6298f h1:f5axCdaRzGDCihN3o1Lq0ydn0VlkhY+11G0JOyY5qss=
+git.sr.ht/~sircmpwn/getopt v0.0.0-20201218204720-9961a9c6298f/go.mod h1:wMEGFFFNuPos7vHmWXfszqImLppbc0wEhh6JBfJIUgw=
+github.com/BurntSushi/toml v0.3.2-0.20210614224209-34d990aa228d/go.mod h1:2QZjSXA5e+XyFeCAxxtL8Z4StYUsTquL8ODGPR3C3MA=
+github.com/BurntSushi/toml v0.3.2-0.20210621044154-20a94d639b8e/go.mod h1:t4zg8TkHfP16Vb3x4WKIw7zVYMit5QFtPEO8lOWxzTg=
+github.com/BurntSushi/toml v0.3.2-0.20210624061728-01bfc69d1057/go.mod h1:NMj2lD5LfMqcE0w8tnqOsH6944oaqpI1974lrIwerfE=
+github.com/BurntSushi/toml v0.3.2-0.20210704081116-ccff24ee4463/go.mod h1:EkRrMiQQmfxK6kIldz3QbPlhmVkrjW1RDJUnbDqGYvc=
+github.com/BurntSushi/toml v0.4.0 h1:qD/r9AL67srjW6O3fcSKZDsXqzBNX6ieSRywr2hRrdE=
+github.com/BurntSushi/toml v0.4.0/go.mod h1:wtejDu7Q0FhCWAo2aXkywSJyYFg01EDTKozLNCz2JBA=
+github.com/BurntSushi/toml-test v0.1.1-0.20210620192437-de01089bbf76/go.mod h1:P/PrhmZ37t5llHfDuiouWXtFgqOoQ12SAh9j6EjrBR4=
+github.com/BurntSushi/toml-test v0.1.1-0.20210624055653-1f6389604dc6/go.mod h1:UAIt+Eo8itMZAAgImXkPGDMYsT1SsJkVdB5TuONl86A=
+github.com/BurntSushi/toml-test v0.1.1-0.20210704062846-269931e74e3f/go.mod h1:fnFWrIwqgHsEjVsW3RYCJmDo86oq9eiJ9u6bnqhtm2g=
+github.com/BurntSushi/toml-test v0.1.1-0.20210723065233-facb9eccd4da h1:2QGUaQtV2u8V1USTI883wo+uxtZFAiZ4TCNupHJ98IU=
+github.com/BurntSushi/toml-test v0.1.1-0.20210723065233-facb9eccd4da/go.mod h1:ve9Q/RRu2vHi42LocPLNvagxuUJh993/95b18bw/Nws=
 github.com/cavaliercoder/go-cpio v0.0.0-20180626203310-925f9528c45e h1:hHg27A0RSSp2Om9lubZpiMgVbvn39bsUmW9U5h0twqc=
 github.com/cavaliercoder/go-cpio v0.0.0-20180626203310-925f9528c45e/go.mod h1:oDpT4efm8tSYHXV5tHSdRvBet/b/QzxZ+XyyPehvm3A=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/klauspost/compress v1.13.3 h1:BtAvtV1+h0YwSVwWoYXMREPpYu9VzTJ9QDI1TEg/iQQ=
 github.com/klauspost/compress v1.13.3/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
 github.com/klauspost/pgzip v1.2.5 h1:qnWYvvKqedOF2ulHpMG72XQol4ILEJ8k2wwRl/Km8oE=
 github.com/klauspost/pgzip v1.2.5/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+zgo.at/zli v0.0.0-20210619044753-e7020a328e59/go.mod h1:HLAc12TjNGT+VRXr76JnsNE3pbooQtwKWhX+RlDjQ2Y=
--- a/main.go
+++ b/main.go
@@ -1,13 +1,11 @@
 // Copyright 2021 Clayton Craft <clayton@craftyguy.net>
 // SPDX-License-Identifier: GPL-3.0-or-later
-
 package main

 import (
 	"bufio"
 	"debug/elf"
 	"errors"
-	"flag"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -15,10 +13,10 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
-	"regexp"
 	"strings"
 	"time"

+	"git.sr.ht/~sircmpwn/getopt"
 	"gitlab.com/postmarketOS/postmarketos-mkinitfs/pkgs/archive"
 	"gitlab.com/postmarketOS/postmarketos-mkinitfs/pkgs/deviceinfo"
 	"gitlab.com/postmarketOS/postmarketos-mkinitfs/pkgs/misc"
@@ -30,22 +28,21 @@ func timeFunc(start time.Time, name string) {
 }

 func main() {
-	deviceinfoFile := "/etc/deviceinfo"
-	if !exists(deviceinfoFile) {
+	devinfo, err := deviceinfo.ReadDeviceinfo()
+	if err != nil {
 		log.Print("NOTE: deviceinfo (from device package) not installed yet, " +
 			"not building the initramfs now (it should get built later " +
 			"automatically.)")
-		return
+		os.Exit(0)
 	}

-	devinfo, err := deviceinfo.ReadDeviceinfo(deviceinfoFile)
-	if err != nil {
+	var outDir string
+	getopt.StringVar(&outDir, "d", "/boot", "Directory to output initfs(-extra) and other boot files, default: /boot")
+
+	if err := getopt.Parse(); err != nil {
 		log.Fatal(err)
 	}

-	outDir := flag.String("d", "/boot", "Directory to output initfs(-extra) and other boot files")
-	flag.Parse()
-
 	defer timeFunc(time.Now(), "mkinitfs")

 	kernVer, err := getKernelVersion()
@@ -53,6 +50,10 @@ func main() {
 		log.Fatal(err)
 	}

+	if err != nil {
+		log.Fatal(err)
+	}
+
 	// temporary working dir
 	workDir, err := ioutil.TempDir("", "mkinitfs")
 	if err != nil {
@@ -61,27 +62,19 @@ func main() {
 	defer os.RemoveAll(workDir)

 	log.Print("Generating for kernel version: ", kernVer)
-	log.Print("Output directory: ", *outDir)
+	log.Print("Output directory: ", outDir)

 	if err := generateInitfs("initramfs", workDir, kernVer, devinfo); err != nil {
-		log.Fatal("generateInitfs: ", err)
+		log.Fatal(err)
 	}

 	if err := generateInitfsExtra("initramfs-extra", workDir, devinfo); err != nil {
-		log.Fatal("generateInitfsExtra: ", 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)
-		}
+		log.Fatal(err)
 	}

 	// Final processing of initramfs / kernel is done by boot-deploy
-	if err := bootDeploy(workDir, *outDir); err != nil {
-		log.Fatal("bootDeploy: ", err)
+	if err := bootDeploy(workDir, outDir); err != nil {
+		log.Fatal(err)
 	}

 }
@@ -94,29 +87,18 @@ func bootDeploy(workDir string, outDir string) error {
 	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)
+	kernFile, err := os.Open(kernels[0])
 	if err != nil {
 		return err
 	}
-	defer kernFd.Close()
+	defer kernFile.Close()

 	kernFileCopy, err := os.Create(filepath.Join(workDir, "vmlinuz"))
 	if err != nil {
 		return err
 	}

-	if _, err = io.Copy(kernFileCopy, kernFd); err != nil {
+	if _, err = io.Copy(kernFileCopy, kernFile); err != nil {
 		return err
 	}
 	kernFileCopy.Close()
@@ -129,19 +111,33 @@ func bootDeploy(workDir string, outDir string) error {
 		"-o", outDir,
 		"initramfs-extra")
 	if !exists(cmd.Path) {
-		return errors.New("boot-deploy command not found")
+		return errors.New("boot-deploy command not found.")
 	}

 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
+	// err is ignored, since shellcheck will return != 0 if there are issues
 	if err := cmd.Run(); err != nil {
-		log.Print("'boot-deploy' command failed")
+		log.Print("'boot-deploy' command failed: ")
 		return err
 	}

 	return nil
 }

+func createInitfsRootDirs(initfsRoot string) {
+	dirs := []string{
+		"/bin", "/sbin", "/usr/bin", "/usr/lib", "/usr/sbin", "/proc", "/sys",
+		"/dev", "/tmp", "/lib", "/boot", "/sysroot", "/etc",
+	}
+
+	for _, dir := range dirs {
+		if err := os.MkdirAll(filepath.Join(initfsRoot, dir), os.FileMode(0775)); err != nil {
+			log.Fatal(err)
+		}
+	}
+}
+
 func exists(file string) bool {
 	if _, err := os.Stat(file); err == nil {
 		return true
@@ -164,9 +160,10 @@ func getHookFiles(filesdir string) misc.StringSet {
 		defer f.Close()
 		s := bufio.NewScanner(f)
 		for s.Scan() {
-			if err := getFile(files, s.Text(), true); err != nil {
+			if !exists(s.Text()) {
 				log.Fatalf("Unable to find file %q required by %q", s.Text(), path)
 			}
+			files[s.Text()] = false
 		}
 		if err := s.Err(); err != nil {
 			log.Fatal(err)
@@ -250,42 +247,13 @@ func getFiles(files misc.StringSet, newFiles misc.StringSet, required bool) erro
 }

 func getFile(files misc.StringSet, file string, required bool) error {
-	// Expand glob expression
-	expanded, _ := filepath.Glob(file)
-	if len(expanded) > 0 && expanded[0] != file {
-		for _, path := range expanded {
-			if err := getFile(files, path, required); err != nil {
-				return err
-			}
-		}
-		return nil
-	}
-
-	fileInfo, err := os.Stat(file)
-	if err != nil {
+	if !exists(file) {
 		if required {
 			return errors.New("getFile: File does not exist :" + file)
 		}
 		return nil
 	}

-	if fileInfo.IsDir() {
-		// Recurse over directory contents
-		err := filepath.Walk(file, func(path string, f os.FileInfo, err error) error {
-			if err != nil {
-				return err
-			}
-			if f.IsDir() {
-				return nil
-			}
-			return getFile(files, path, required)
-		})
-		if err != nil {
-			return err
-		}
-		return nil
-	}
-
 	files[file] = false

 	// get dependencies for binaries
@@ -294,7 +262,8 @@ func getFile(files misc.StringSet, file string, required bool) error {
 		return nil
 	}

-	if err := getBinaryDeps(files, file); err != nil {
+	err := getBinaryDeps(files, file)
+	if err != nil {
 		return err
 	}

@@ -390,13 +359,13 @@ func getFdeFiles(files misc.StringSet, devinfo deviceinfo.DeviceInfo) error {
 	}

 	// mesa hw accel
-	if devinfo.MesaDriver != "" {
+	if devinfo.Deviceinfo_mesa_driver != "" {
 		mesaFiles := misc.StringSet{
 			"/usr/lib/libEGL.so.1":    false,
 			"/usr/lib/libGLESv2.so.2": false,
 			"/usr/lib/libgbm.so.1":    false,
 			"/usr/lib/libudev.so.1":   false,
-			"/usr/lib/xorg/modules/dri/" + devinfo.MesaDriver + "_dri.so": false,
+			"/usr/lib/xorg/modules/dri/" + devinfo.Deviceinfo_mesa_driver + "_dri.so": false,
 		}
 		if err := getFiles(files, mesaFiles, true); err != nil {
 			return err
@@ -417,7 +386,6 @@ func getInitfsExtraFiles(files misc.StringSet, devinfo deviceinfo.DeviceInfo) er
 	log.Println("== Generating initramfs extra ==")
 	binariesExtra := misc.StringSet{
 		"/lib/libz.so.1":        false,
-		"/sbin/btrfs":           false,
 		"/sbin/dmsetup":         false,
 		"/sbin/e2fsck":          false,
 		"/usr/sbin/parted":      false,
@@ -450,7 +418,6 @@ func getInitfsFiles(files misc.StringSet, devinfo deviceinfo.DeviceInfo) error {
 		"/usr/sbin/telnetd":   false,
 		"/sbin/kpartx":        false,
 		"/etc/deviceinfo":     false,
-		"/usr/bin/unudhcpd":   false,
 	}

 	// Hook files & scripts
@@ -509,19 +476,21 @@ func getInitfsModules(files misc.StringSet, devinfo deviceinfo.DeviceInfo, kerne
 					return err
 				}
 			}
+			continue
 		} else if dir == "" {
 			// item is a module name
 			if err := getModule(files, file, modDir); err != nil {
 				log.Print("Unable to get module: ", file)
 				return err
 			}
+			continue
 		} else {
 			log.Printf("Unknown module entry: %q", item)
 		}
 	}

 	// deviceinfo modules
-	for _, module := range strings.Fields(devinfo.ModulesInitfs) {
+	for _, module := range strings.Fields(devinfo.Deviceinfo_modules_initfs) {
 		if err := getModule(files, module, modDir); err != nil {
 			log.Print("Unable to get modules from deviceinfo")
 			return err
@@ -553,7 +522,7 @@ func getKernelReleaseFile() (string, error) {
 	files, _ := filepath.Glob("/usr/share/kernel/*/kernel.release")
 	// only one kernel flavor supported
 	if len(files) != 1 {
-		return "", fmt.Errorf("only one kernel release/flavor is supported, found: %q", files)
+		return "", errors.New(fmt.Sprintf("Only one kernel release/flavor is supported, found: %q", files))
 	}

 	return files[0], nil
@@ -575,46 +544,6 @@ func getKernelVersion() (string, error) {
 	return strings.TrimSpace(string(contents)), 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 {
-	srcDir := filepath.Join("/usr/share/u-boot", devinfo.UbootBoardname)
-	entries, err := ioutil.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
-}
-
 func generateInitfs(name string, path string, kernVer string, devinfo deviceinfo.DeviceInfo) error {
 	initfsArchive, err := archive.New()
 	if err != nil {
@@ -683,7 +612,13 @@ func generateInitfsExtra(name string, path string, devinfo deviceinfo.DeviceInfo
 }

 func stripExts(file string) string {
-	return strings.Split(file, ".")[0]
+	for {
+		if filepath.Ext(file) == "" {
+			break
+		}
+		file = strings.TrimSuffix(file, filepath.Ext(file))
+	}
+	return file
 }

 func getModulesInDir(files misc.StringSet, modPath string) error {
@@ -710,23 +645,24 @@ func getModulesInDir(files misc.StringSet, modPath string) error {
 // anywhere
 func getModule(files misc.StringSet, modName string, modDir string) error {

-	modDep := filepath.Join(modDir, "modules.dep")
-	if !exists(modDep) {
-		log.Fatal("Kernel module.dep not found: ", modDir)
-	}
-
-	fd, err := os.Open(modDep)
-	if err != nil {
-		log.Print("Unable to open modules.dep: ", modDep)
-		return err
-	}
-	defer fd.Close()
-
-	deps, err := getModuleDeps(modName, fd)
+	deps, err := getModuleDeps(modName, modDir)
 	if err != nil {
 		return err
 	}

+	if len(deps) == 0 {
+		// retry and swap - and _ in module name
+		if strings.Contains(modName, "-") {
+			modName = strings.ReplaceAll(modName, "-", "_")
+		} else {
+			modName = strings.ReplaceAll(modName, "_", "-")
+		}
+		deps, err = getModuleDeps(modName, modDir)
+		if err != nil {
+			return err
+		}
+	}
+
 	for _, dep := range deps {
 		p := filepath.Join(modDir, dep)
 		if !exists(p) {
@@ -739,27 +675,30 @@ func getModule(files misc.StringSet, modName string, modDir string) error {
 	return err
 }

-// Get the canonicalized name for the module as represented in the given modules.dep io.reader
-func getModuleDeps(modName string, modulesDep io.Reader) ([]string, error) {
+func getModuleDeps(modName string, modDir string) ([]string, error) {
 	var deps []string

-	// split the module name on - and/or _, build a regex for matching
-	splitRe := regexp.MustCompile("[-_]+")
-	modNameReStr := splitRe.ReplaceAllString(modName, "[-_]+")
-	re := regexp.MustCompile("^" + modNameReStr + "$")
+	modDep := filepath.Join(modDir, "modules.dep")
+	if !exists(modDep) {
+		log.Fatal("Kernel module.dep not found: ", modDir)
+	}

-	s := bufio.NewScanner(modulesDep)
+	fd, err := os.Open(modDep)
+	if err != nil {
+		log.Print("Unable to open modules.dep: ", modDep)
+		return deps, err
+	}
+
+	defer fd.Close()
+	s := bufio.NewScanner(fd)
 	for s.Scan() {
 		fields := strings.Fields(s.Text())
-		if len(fields) == 0 {
+		fields[0] = strings.TrimSuffix(fields[0], ":")
+		if modName != filepath.Base(stripExts(fields[0])) {
 			continue
 		}
-		fields[0] = strings.TrimSuffix(fields[0], ":")
-
-		found := re.FindAll([]byte(filepath.Base(stripExts(fields[0]))), -1)
-		if len(found) > 0 {
-			deps = append(deps, fields...)
-			break
+		for _, modPath := range fields {
+			deps = append(deps, modPath)
 		}
 	}
 	if err := s.Err(); err != nil {
--- a/main_test.go
+++ b/main_test.go
@@ -1,10 +1,8 @@
 // Copyright 2021 Clayton Craft <clayton@craftyguy.net>
 // SPDX-License-Identifier: GPL-3.0-or-later
-
 package main

 import (
-	"strings"
 	"testing"
 )

@@ -26,57 +24,3 @@ func TestStripExts(t *testing.T) {
 		}
 	}
 }
-
-func stringSlicesEqual(a []string, b []string) bool {
-	if len(a) != len(b) {
-		return false
-	}
-	for i, v := range a {
-		if v != b[i] {
-			return false
-		}
-	}
-	return true
-}
-
-var testModuleDep string = `
-kernel/sound/soc/codecs/snd-soc-msm8916-digital.ko:
-kernel/net/sched/act_ipt.ko.xz: kernel/net/netfilter/x_tables.ko.xz
-kernel/drivers/watchdog/watchdog.ko.xz:
-kernel/drivers/usb/serial/ir-usb.ko.xz: kernel/drivers/usb/serial/usbserial.ko.xz
-kernel/drivers/gpu/drm/scheduler/gpu-sched.ko.xz:
-kernel/drivers/hid/hid-alps.ko.xz:
-kernel/net/netfilter/xt_u32.ko.xz: kernel/net/netfilter/x_tables.ko.xz
-kernel/net/netfilter/xt_sctp.ko.xz: kernel/net/netfilter/x_tables.ko.xz
-kernel/drivers/hwmon/gl518sm.ko.xz:
-kernel/drivers/watchdog/dw_wdt.ko.xz: kernel/drivers/watchdog/watchdog.ko.xz
-kernel/net/bluetooth/hidp/hidp.ko.xz: kernel/net/bluetooth/bluetooth.ko.xz kernel/net/rfkill/rfkill.ko.xz kernel/crypto/ecdh_generic.ko.xz kernel/crypto/ecc.ko.xz
-kernel/fs/nls/nls_iso8859-1.ko.xz:
-kernel/net/vmw_vsock/vmw_vsock_virtio_transport.ko.xz: kernel/net/vmw_vsock/vmw_vsock_virtio_transport_common.ko.xz kernel/drivers/virtio/virtio.ko.xz kernel/drivers/virtio/virtio_ring.ko.xz kernel/net/vmw_vsock/vsock.ko.xz
-kernel/drivers/gpu/drm/panfrost/panfrost.ko.xz: kernel/drivers/gpu/drm/scheduler/gpu-sched.ko.xz
-kernel/drivers/gpu/drm/msm/msm.ko: kernel/drivers/gpu/drm/drm_kms_helper.ko
-`
-
-func TestGetModuleDeps(t *testing.T) {
-	tables := []struct {
-		in       string
-		expected []string
-	}{
-		{"nls-iso8859-1", []string{"kernel/fs/nls/nls_iso8859-1.ko.xz"}},
-		{"gpu_sched", []string{"kernel/drivers/gpu/drm/scheduler/gpu-sched.ko.xz"}},
-		{"dw-wdt", []string{"kernel/drivers/watchdog/dw_wdt.ko.xz",
-			"kernel/drivers/watchdog/watchdog.ko.xz"}},
-		{"gl518sm", []string{"kernel/drivers/hwmon/gl518sm.ko.xz"}},
-		{"msm", []string{"kernel/drivers/gpu/drm/msm/msm.ko",
-			"kernel/drivers/gpu/drm/drm_kms_helper.ko"}},
-	}
-	for _, table := range tables {
-		out, err := getModuleDeps(table.in, strings.NewReader(testModuleDep))
-		if err != nil {
-			t.Errorf("unexpected error with input: %q, error: %q", table.expected, err)
-		}
-		if !stringSlicesEqual(out, table.expected) {
-			t.Errorf("Expected: %q, got: %q", table.expected, out)
-		}
-	}
-}
--- a/pkgs/archive/archive.go
+++ b/pkgs/archive/archive.go
@@ -1,17 +1,19 @@
 // Copyright 2021 Clayton Craft <clayton@craftyguy.net>
 // SPDX-License-Identifier: GPL-3.0-or-later
-
 package archive

 import (
 	"bytes"
 	"compress/flate"
+	"crypto/sha256"
+	"encoding/hex"
 	"github.com/cavaliercoder/go-cpio"
 	"github.com/klauspost/pgzip"
 	"gitlab.com/postmarketOS/postmarketos-mkinitfs/pkgs/misc"
 	"io"
 	"log"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
 )
@@ -50,6 +52,12 @@ func (archive *Archive) Write(path string, mode os.FileMode) error {
 		return err
 	}

+	// test the archive to make sure it's valid
+	if err := test(path); err != nil {
+		log.Print("Verification of archive failed!")
+		return err
+	}
+
 	if err := os.Chmod(path, mode); err != nil {
 		return err
 	}
@@ -57,6 +65,38 @@ func (archive *Archive) Write(path string, mode os.FileMode) error {
 	return nil
 }

+func checksum(path string) (string, error) {
+	var sum string
+
+	buf := make([]byte, 64*1024)
+	sha256 := sha256.New()
+	fd, err := os.Open(path)
+	defer fd.Close()
+
+	if err != nil {
+		log.Print("Unable to checksum: ", path)
+		return sum, err
+	}
+
+	// Read file in chunks
+	for {
+		bytes, err := fd.Read(buf)
+		if bytes > 0 {
+			_, err := sha256.Write(buf[:bytes])
+			if err != nil {
+				log.Print("Unable to checksum: ", path)
+				return sum, err
+			}
+		}
+
+		if err == io.EOF {
+			break
+		}
+	}
+	sum = hex.EncodeToString(sha256.Sum(nil))
+	return sum, nil
+}
+
 func (archive *Archive) AddFile(file string, dest string) error {
 	if err := archive.addDir(filepath.Dir(dest)); err != nil {
 		return err
@@ -104,9 +144,6 @@ func (archive *Archive) AddFile(file string, dest string) error {
 		// make sure target is an absolute path
 		if !filepath.IsAbs(target) {
 			target, err = misc.RelativeSymlinkTargetToDir(target, filepath.Dir(file))
-			if err != nil {
-				return err
-			}
 		}
 		// TODO: add verbose mode, print stuff like this:
 		// log.Printf("symlink: %q, target: %q", file, target)
@@ -143,6 +180,19 @@ func (archive *Archive) AddFile(file string, dest string) error {
 	return nil
 }

+// Use busybox gzip to test archive
+func test(path string) error {
+	cmd := exec.Command("busybox", "gzip", "-t", path)
+	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 (archive *Archive) writeCompressed(path string, mode os.FileMode) error {
 	// TODO: support other compression formats, based on deviceinfo
 	fd, err := os.Create(path)
--- a/pkgs/deviceinfo/deviceinfo.go
+++ b/pkgs/deviceinfo/deviceinfo.go
@@ -1,127 +1,53 @@
 // Copyright 2021 Clayton Craft <clayton@craftyguy.net>
 // SPDX-License-Identifier: GPL-3.0-or-later
-
 package deviceinfo

 import (
-	"bufio"
-	"fmt"
-	"io"
-	"log"
+	"errors"
+	"github.com/BurntSushi/toml"
 	"os"
-	"reflect"
-	"strings"
 )

+// Note: fields must be exported (start with capital letter)
+// https://github.com/BurntSushi/toml/issues/121
 type DeviceInfo struct {
-	AppendDtb                     string
-	Arch                          string
-	UbootBoardname                string
-	BootimgAppendSEAndroidEnforce string
-	BootimgBlobpack               string
-	BootimgDtbSecond              string
-	BootimgMtkMkimage             string
-	BootimgPxa                    string
-	BootimgQcdt                   string
-	Dtb                           string
-	FlashKernelOnUpdate           string
-	FlashOffsetBase               string
-	FlashOffsetKernel             string
-	FlashOffsetRamdisk            string
-	FlashOffsetSecond             string
-	FlashOffsetTags               string
-	FlashPagesize                 string
-	GenerateBootimg               string
-	GenerateLegacyUbootInitfs     string
-	InitfsCompression             string
-	KernelCmdline                 string
-	LegacyUbootLoadAddress        string
-	MesaDriver                    string
-	MkinitfsPostprocess           string
-	ModulesInitfs                 string
+	Deviceinfo_append_dtb                      string
+	Deviceinfo_arch                            string
+	Deviceinfo_bootimg_append_seandroidenforce string
+	Deviceinfo_bootimg_blobpack                string
+	Deviceinfo_bootimg_dtb_second              string
+	Deviceinfo_bootimg_mtk_mkimage             string
+	Deviceinfo_bootimg_pxa                     string
+	Deviceinfo_bootimg_qcdt                    string
+	Deviceinfo_dtb                             string
+	Deviceinfo_flash_offset_base               string
+	Deviceinfo_flash_offset_kernel             string
+	Deviceinfo_flash_offset_ramdisk            string
+	Deviceinfo_flash_offset_second             string
+	Deviceinfo_flash_offset_tags               string
+	Deviceinfo_flash_pagesize                  string
+	Deviceinfo_generate_bootimg                string
+	Deviceinfo_generate_legacy_uboot_initfs    string
+	Deviceinfo_mesa_driver                     string
+	Deviceinfo_mkinitfs_postprocess            string
+	Deviceinfo_initfs_compression              string
+	Deviceinfo_kernel_cmdline                  string
+	Deviceinfo_legacy_uboot_load_address       string
+	Deviceinfo_modules_initfs                  string
+	Deviceinfo_flash_kernel_on_update          string
 }

-func ReadDeviceinfo(file string) (DeviceInfo, error) {
+func ReadDeviceinfo() (DeviceInfo, error) {
+	file := "/etc/deviceinfo"
 	var deviceinfo DeviceInfo

-	fd, err := os.Open(file)
+	_, err := os.Stat(file)
 	if err != nil {
-		return deviceinfo, err
-	}
-	defer fd.Close()
-
-	if err := unmarshal(fd, &deviceinfo); err != nil {
-		return deviceinfo, err
+		return deviceinfo, errors.New("Unable to find deviceinfo: " + file)
 	}

+	if _, err := toml.DecodeFile(file, &deviceinfo); err != nil {
+		return deviceinfo, err
+	}
 	return deviceinfo, nil
 }
-
-// Unmarshals a deviceinfo into a DeviceInfo struct
-func unmarshal(r io.Reader, devinfo *DeviceInfo) error {
-	s := bufio.NewScanner(r)
-	for s.Scan() {
-		line := s.Text()
-		if strings.HasPrefix(line, "#") {
-			continue
-		}
-
-		// line isn't setting anything, so just ignore it
-		if !strings.Contains(line, "=") {
-			continue
-		}
-
-		// sometimes line has a comment at the end after setting an option
-		line = strings.SplitN(line, "#", 2)[0]
-		line = strings.TrimSpace(line)
-
-		// must support having '=' in the value (e.g. kernel cmdline)
-		parts := strings.SplitN(line, "=", 2)
-		if len(parts) != 2 {
-			return fmt.Errorf("error parsing deviceinfo line, invalid format: %s", line)
-		}
-
-		name, val := parts[0], parts[1]
-		val = strings.ReplaceAll(val, "\"", "")
-
-		if name == "deviceinfo_format_version" && val != "0" {
-			return fmt.Errorf("deviceinfo format version %q is not supported", val)
-		}
-
-		fieldName := nameToField(name)
-
-		if fieldName == "" {
-			return fmt.Errorf("error parsing deviceinfo line, invalid format: %s", line)
-		}
-
-		field := reflect.ValueOf(devinfo).Elem().FieldByName(fieldName)
-		if !field.IsValid() {
-			// an option that meets the deviceinfo "specification", but isn't
-			// one we care about in this module
-			continue
-		}
-		field.SetString(val)
-	}
-	if err := s.Err(); err != nil {
-		log.Print("unable to parse deviceinfo: ", err)
-		return err
-	}
-
-	return nil
-}
-
-// Convert string into the string format used for DeviceInfo fields.
-// Note: does not test that the resulting field name is a valid field in the
-// DeviceInfo struct!
-func nameToField(name string) string {
-	var field string
-	parts := strings.Split(name, "_")
-	for _, p := range parts {
-		if p == "deviceinfo" {
-			continue
-		}
-		field = field + strings.Title(p)
-	}
-
-	return field
-}
--- a/pkgs/deviceinfo/deviceinfo_test.go
+++ b/pkgs/deviceinfo/deviceinfo_test.go
@@ -1,81 +0,0 @@
-// Copyright 2021 Clayton Craft <clayton@craftyguy.net>
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-package deviceinfo
-
-import (
-	"fmt"
-	"reflect"
-	"strings"
-	"testing"
-)
-
-// Test conversion of name to DeviceInfo struct field format
-func TestNameToField(t *testing.T) {
-	tables := []struct {
-		in       string
-		expected string
-	}{
-		{"deviceinfo_dtb", "Dtb"},
-		{"dtb", "Dtb"},
-		{"deviceinfo_modules_initfs", "ModulesInitfs"},
-		{"modules_initfs", "ModulesInitfs"},
-		{"deviceinfo_modules_initfs___", "ModulesInitfs"},
-	}
-
-	for _, table := range tables {
-		out := nameToField(table.in)
-		if out != table.expected {
-			t.Errorf("expected: %q, got: %q", table.expected, out)
-		}
-	}
-}
-
-// Test unmarshalling with lines in deviceinfo
-func TestUnmarshal(t *testing.T) {
-	tables := []struct {
-		// field is just used for reflection within the test, so it must be a
-		// valid DeviceInfo field
-		field    string
-		in       string
-		expected string
-	}{
-		{"ModulesInitfs", "deviceinfo_modules_initfs=\"panfrost foo bar bazz\"\n", "panfrost foo bar bazz"},
-		{"ModulesInitfs", "deviceinfo_modules_initfs=\"panfrost foo bar bazz\"", "panfrost foo bar bazz"},
-		// line with multiple '='
-		{"KernelCmdline",
-			"deviceinfo_kernel_cmdline=\"PMOS_NO_OUTPUT_REDIRECT fw_devlink=off nvme_core.default_ps_max_latency_us=5500 pcie_aspm.policy=performance\"\n",
-			"PMOS_NO_OUTPUT_REDIRECT fw_devlink=off nvme_core.default_ps_max_latency_us=5500 pcie_aspm.policy=performance"},
-		// empty option
-		{"ModulesInitfs", "deviceinfo_modules_initfs=\"\"\n", ""},
-		{"Dtb", "deviceinfo_dtb=\"freescale/imx8mq-librem5-r2 freescale/imx8mq-librem5-r3 freescale/imx8mq-librem5-r4\"\n",
-			"freescale/imx8mq-librem5-r2 freescale/imx8mq-librem5-r3 freescale/imx8mq-librem5-r4"},
-		// valid deviceinfo line, just not used in this module
-		{"", "deviceinfo_codename=\"pine64-pinebookpro\"", ""},
-		// line with comment at the end
-		{"MesaDriver", "deviceinfo_mesa_driver=\"panfrost\"  # this is a nice driver", "panfrost"},
-		{"", "# this is a comment!\n", ""},
-		// empty lines are fine
-		{"", "", ""},
-		// line with whitepace characters only
-		{"", " \t \n\r", ""},
-	}
-	var d DeviceInfo
-	for _, table := range tables {
-		testName := fmt.Sprintf("unmarshal::'%s':", strings.ReplaceAll(table.in, "\n", "\\n"))
-		if err := unmarshal(strings.NewReader(table.in), &d); err != nil {
-			t.Errorf("%s received an unexpected err: ", err)
-		}
-
-		// Check against expected value
-		field := reflect.ValueOf(&d).Elem().FieldByName(table.field)
-		out := ""
-		if table.field != "" {
-			out = field.String()
-		}
-		if out != table.expected {
-			t.Errorf("%s expected: %q, got: %q", testName, table.expected, out)
-		}
-	}
-
-}
--- a/pkgs/misc/misc.go
+++ b/pkgs/misc/misc.go
@@ -1,6 +1,5 @@
 // Copyright 2021 Clayton Craft <clayton@craftyguy.net>
 // SPDX-License-Identifier: GPL-3.0-or-later
-
 package misc

 import (