Move: Subcommand structure

Author: Hayao0819

.gitignore

@@ -1 +1 @@
-work
+/work

alteriso5/cmd/build/build.go

@@ -0,0 +1,48 @@
+package build
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path"
+
+	"github.com/FascodeNet/alterlinux/alteriso5/cmd/build/config"
+	"github.com/FascodeNet/alterlinux/alteriso5/cmd/build/work"
+)
+
+func check() error {
+	if os.Getuid() != 0 {
+		return errors.New("this program must be run as root")
+	}
+	return nil
+}
+
+func build() error {
+	current, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+
+	workDir := path.Join(current, "work")
+	outDir := path.Join(current, "out")
+
+	work, err := work.New(workDir)
+	if err != nil {
+		return err
+	}
+
+	profile := config.DummyProfile()
+	target := config.NewTarget([]string{"x86_64"}, outDir)
+	return work.Build(profile, target)
+}
+
+func Main() {
+	if err := check(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+
+	if err := build(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+	}
+}

alteriso5/config/pkg/package.go alteriso5/cmd/build/config/pkg/package.goalteriso5/config/pkg/package.go renamed to alteriso5/cmd/build/config/pkg/package.go

@@ -0,0 +1,8 @@
+package airootfs
+
+type FileSystem interface {
+	Init() error
+	GetPath() (string, error)
+	Mount(path string) error
+}
+

alteriso5/config/profile.go alteriso5/cmd/build/config/profile.goalteriso5/config/profile.go renamed to alteriso5/cmd/build/config/profile.go

@@ -0,0 +1,5 @@
+package airootfs
+
+func Get(name string) (FileSystem, error) {
+	return SquashFS{}, nil
+}

alteriso5/config/target.go alteriso5/cmd/build/config/target.goalteriso5/config/target.go renamed to alteriso5/cmd/build/config/target.go

@@ -0,0 +1,17 @@
+package airootfs
+
+type SquashFS struct {
+	Path string
+}
+
+func (s SquashFS) GetPath() (string, error) {
+	return s.Path, nil
+}
+
+func (s SquashFS) Init() error {
+	return nil
+}
+
+func (s SquashFS) Mount(path string) error {
+	return nil
+}

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

@@ -0,0 +1,23 @@
+package work
+
+import "github.com/FascodeNet/alterlinux/alteriso5/cmd/build/config"
+
+func (work Work) Build(p config.Profile, t config.Target) error {
+
+	work.profile = &p
+	work.target = &t
+
+	var tasks []BuildTask = []BuildTask{
+		work.MakeBaseDirs,
+		work.MakeChroot,
+	}
+
+	for _, t := range tasks {
+		err := t()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

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

@@ -0,0 +1,34 @@
+package chroot
+
+import (
+	"os"
+	"os/exec"
+)
+
+type Env struct {
+	Arch string
+	Dir  string
+}
+
+func New(dir, arch string) *Env {
+	return &Env{
+		Arch: arch,
+		Dir:  dir,
+	}
+}
+
+func (e *Env) Init() error {
+	if err := os.MkdirAll(e.Dir, 0755); err != nil {
+		return err
+	}
+
+	pacstrap := exec.Command("pacstrap", "-c", e.Dir, "base", "base-devel", "linux", "linux-firmware")
+	pacstrap.Env = append(os.Environ(), "LANG=C")
+	pacstrap.Stdout = os.Stdout
+	pacstrap.Stderr = os.Stderr
+	if err := pacstrap.Run(); err != nil {
+		return err
+	}
+
+	return nil
+}