init

internal/platform/linux.go

@@ -0,0 +1,82 @@
+package platform
+
+import (
+	"context"
+	"os"
+	"os/exec"
+)
+
+// LinuxPlatform Linux 平台实现
+type LinuxPlatform struct {
+	homeDir string
+}
+
+// NewLinuxPlatform 创建 Linux 平台实例
+func NewLinuxPlatform() *LinuxPlatform {
+	home, _ := os.UserHomeDir()
+	return &LinuxPlatform{homeDir: home}
+}
+
+func (p *LinuxPlatform) OS() string      { return "linux" }
+func (p *LinuxPlatform) Arch() string    { return "amd64" } // TODO: detect properly
+func (p *LinuxPlatform) HomeDir() string { return p.homeDir }
+
+func (p *LinuxPlatform) ConfigDir() string {
+	if dir := os.Getenv("XDG_CONFIG_HOME"); dir != "" {
+		return dir
+	}
+	return p.homeDir + "/.config"
+}
+
+func (p *LinuxPlatform) DataDir() string {
+	if dir := os.Getenv("XDG_DATA_HOME"); dir != "" {
+		return dir
+	}
+	return p.homeDir + "/.local/share"
+}
+
+func (p *LinuxPlatform) GetEnvVar(key string) string {
+	return os.Getenv(key)
+}
+
+func (p *LinuxPlatform) SetEnvVar(ctx context.Context, key, value string) error {
+	// TODO: Add to shell profile
+	return os.Setenv(key, value)
+}
+
+func (p *LinuxPlatform) AddToPath(ctx context.Context, dir string) error {
+	// TODO: Add to shell profile
+	return nil
+}
+
+func (p *LinuxPlatform) IsAdmin() bool {
+	return os.Geteuid() == 0
+}
+
+func (p *LinuxPlatform) PackageManagers() []string {
+	var pms []string
+	if _, err := exec.LookPath("apt"); err == nil {
+		pms = append(pms, "apt")
+	}
+	if _, err := exec.LookPath("dnf"); err == nil {
+		pms = append(pms, "dnf")
+	}
+	if _, err := exec.LookPath("yum"); err == nil {
+		pms = append(pms, "yum")
+	}
+	if _, err := exec.LookPath("pacman"); err == nil {
+		pms = append(pms, "pacman")
+	}
+	if _, err := exec.LookPath("snap"); err == nil {
+		pms = append(pms, "snap")
+	}
+	return pms
+}
+
+func (p *LinuxPlatform) DefaultShell() string {
+	shell := os.Getenv("SHELL")
+	if shell != "" {
+		return shell
+	}
+	return "/bin/bash"
+}