init

internal/platform/darwin.go

@@ -0,0 +1,65 @@
+package platform
+
+import (
+	"context"
+	"os"
+	"os/exec"
+)
+
+// DarwinPlatform macOS 平台实现
+type DarwinPlatform struct {
+	homeDir string
+}
+
+// NewDarwinPlatform 创建 macOS 平台实例
+func NewDarwinPlatform() *DarwinPlatform {
+	home, _ := os.UserHomeDir()
+	return &DarwinPlatform{homeDir: home}
+}
+
+func (p *DarwinPlatform) OS() string      { return "darwin" }
+func (p *DarwinPlatform) Arch() string    { return "amd64" } // TODO: detect properly
+func (p *DarwinPlatform) HomeDir() string { return p.homeDir }
+
+func (p *DarwinPlatform) ConfigDir() string {
+	return p.homeDir + "/Library/Application Support"
+}
+
+func (p *DarwinPlatform) DataDir() string {
+	return p.homeDir + "/Library/Application Support"
+}
+
+func (p *DarwinPlatform) GetEnvVar(key string) string {
+	return os.Getenv(key)
+}
+
+func (p *DarwinPlatform) SetEnvVar(ctx context.Context, key, value string) error {
+	// On macOS, set via launchctl and shell profile
+	cmd := exec.CommandContext(ctx, "launchctl", "setenv", key, value)
+	return cmd.Run()
+}
+
+func (p *DarwinPlatform) AddToPath(ctx context.Context, dir string) error {
+	// TODO: Add to shell profile
+	return nil
+}
+
+func (p *DarwinPlatform) IsAdmin() bool {
+	return os.Geteuid() == 0
+}
+
+func (p *DarwinPlatform) PackageManagers() []string {
+	var pms []string
+	if _, err := exec.LookPath("brew"); err == nil {
+		pms = append(pms, "homebrew")
+	}
+	return pms
+}
+
+func (p *DarwinPlatform) DefaultShell() string {
+	shell := os.Getenv("SHELL")
+	if shell != "" {
+		return shell
+	}
+	return "/bin/zsh"
+}