Add: Prepare for kernels

Author: Hayao0819

alteriso5/cmd/build/work/airootfs/chroot.go

@@ -0,0 +1,91 @@
+package airootfs
+
+import (
+	"log/slog"
+	"os"
+	"os/exec"
+	"path"
+	"strings"
+
+	"github.com/FascodeNet/alterlinux/alteriso5/utils"
+)
+
+type Env struct {
+	Arch       string
+	Dir        string
+	initilized bool
+}
+
+func New(dir, arch string) (*Env, error) {
+	env := Env{
+		Arch: arch,
+		Dir:  dir,
+	}
+
+	entry, err := os.ReadDir(dir)
+	if err != nil {
+		return nil, err
+
+	}
+
+	if len(entry) > 0 {
+		env.initilized = true
+	}
+
+	return &env, nil
+}
+
+func (e *Env) Init() error {
+	if err := os.MkdirAll(e.Dir, 0755); err != nil {
+		return err
+	}
+	if e.initilized {
+		return nil
+	}
+
+	pacstrap := exec.Command("pacstrap", "-c", e.Dir, "base", "base-devel", "linux", "linux-firmware", "syslinux")
+	pacstrap.Env = append(os.Environ(), "LANG=C")
+	pacstrap.Stdout = os.Stdout
+	pacstrap.Stderr = os.Stderr
+	if err := pacstrap.Run(); err != nil {
+		return err
+	}
+
+	e.initilized = true
+
+	return nil
+}
+
+func (e *Env) FindKernels() ([]string, error) {
+	kernels := []string{}
+
+	//bootDir := path.Join(e.Dir, "boot")
+
+	presetsDir := path.Join(e.Dir, "etc", "mkinitcpio.d")
+	entry, err := os.ReadDir(presetsDir)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, e := range entry {
+		if e.IsDir() || !strings.HasSuffix(e.Name(), ".preset") {
+			continue
+		}
+
+		fp := path.Join(presetsDir, e.Name())
+		env, err := utils.LoadEnvFile(fp)
+		if err != nil {
+			continue
+		}
+
+		kernel := env["ALL_kver"]
+
+		if kernel != "" {
+			kernels = append(kernels, kernel)
+		}
+
+	}
+
+	slog.Debug("FindKernels:", "kernels", kernels)
+	return kernels, nil
+}

alteriso5/cmd/build/work/chroot/chroot.go

@@ -0,0 +1 @@
+package mkinitcpio

alteriso5/cmd/build/work/mkinitcpio/preset.go

@@ -6,7 +6,6 @@ import (
 
 	"github.com/FascodeNet/alterlinux/alteriso5/cmd/build/work/airootfs"
 	"github.com/FascodeNet/alterlinux/alteriso5/cmd/build/work/boot"
-	"github.com/FascodeNet/alterlinux/alteriso5/cmd/build/work/chroot"
 	"github.com/FascodeNet/alterlinux/alteriso5/utils"
 )
 
@@ -26,8 +25,10 @@ var makeBaseDirs *BuildTask = NewBuildTask("makeBaseDirs",
 
 var makeChroot *BuildTask = NewBuildTask("makeChroot", func(work *Work) error {
 
-	dir := path.Join(work.Base, work.target.Arch, "airootfs")
-	env := chroot.New(dir, work.target.Arch)
+	env, err := airootfs.New(work.GetDirs().Pacstrap, work.target.Arch)
+	if err != nil {
+		return err
+	}
 	if err := env.Init(); err != nil {
 		return err
 
@@ -73,21 +74,22 @@ var makeBootModes *BuildTask = NewBuildTask("makeBootModes", func(w *Work) error
 			return err
 		}
 
+		
+
 		return nil
 	})
 
-	return makeSysLinux.Run(w)
+	return w.RunOnce(makeSysLinux)
 })
 
 var makeAirootfs *BuildTask = NewBuildTask("makeAirootfs", func(w *Work) error {
 
 	slog.Debug("Copying profile to airootfs...")
 	airootfsDir := path.Join(w.Base, w.target.Arch, "airootfs")
-	isoDir := path.Join(w.Base, "iso")
 
 	sqfs := airootfs.SquashFS{
 		Base: airootfsDir,
-		Out:  path.Join(isoDir, w.profile.InstallDir, w.target.Arch, "airootfs.sfs"),
+		Out:  path.Join(w.GetDirs().Iso, w.profile.InstallDir, w.target.Arch, "airootfs.sfs"),
 	}
 
 	return sqfs.Build()

alteriso5/cmd/build/work/tasks.go

@@ -4,13 +4,11 @@ import (
 	"path"
 
 	"github.com/FascodeNet/alterlinux/alteriso5/cmd/build/config"
-	"github.com/FascodeNet/alterlinux/alteriso5/cmd/build/work/chroot"
 	"github.com/spf13/cobra"
 )
 
 type Work struct {
 	Base    string
-	Chroots []*chroot.Env
 	profile *config.Profile
 	target  *config.Target
 	Cmd     *cobra.Command

alteriso5/cmd/build/work/work.go

@@ -0,0 +1,26 @@
+package utils
+
+import "strings"
+
+func LoadEnvFile(path string) (map[string]string, error) {
+	lines, err := ReadFileLine(path)
+	if err != nil {
+		return nil, err
+	}
+
+	env := make(map[string]string)
+
+	for _, line := range lines {
+		if strings.HasPrefix(line, "#") || !strings.Contains(line, "=") {
+			continue
+		}
+
+		parts := strings.SplitN(line, "=", 2)
+		value := strings.TrimPrefix(parts[1], "\"")
+		value = strings.TrimSuffix(value, "\"")
+		env[parts[0]] = value
+	}
+
+	return env, nil
+
+}

alteriso5/utils/env.go

@@ -0,0 +1,16 @@
+package utils
+
+import (
+	"os"
+	"strings"
+)
+
+func ReadFileLine(path string) ([]string, error) {
+	bytes, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+
+	lines := strings.Split(string(bytes), "\n")
+	return lines, nil
+}