初始化

platform/wsl.go

@@ -0,0 +1,35 @@
+package platform
+
+import (
+	"context"
+	"os/exec"
+	"strings"
+)
+
+// ListWSLDistros 返回本机已安装的 WSL 发行版；未安装 WSL 时返回稳定错误码。
+func ListWSLDistros(ctx context.Context) ([]string, error) {
+	if _, e := exec.LookPath("wsl.exe"); e != nil {
+		return nil, &PlatformError{Code: "WSL_NOT_INSTALLED", Detail: e.Error()}
+	}
+	out, e := RunHidden(ctx, "wsl.exe", "--list", "--quiet")
+	if e != nil {
+		return nil, &PlatformError{Code: "WSL_LIST_FAILED", Detail: e.Error()}
+	}
+	items := []string{}
+	for _, v := range strings.FieldsFunc(out, func(r rune) bool { return r == '\r' || r == '\n' || r == 0 }) {
+		v = strings.TrimSpace(v)
+		if v != "" {
+			items = append(items, v)
+		}
+	}
+	return items, nil
+}
+
+type PlatformError struct{ Code, Detail string }
+
+func (e *PlatformError) Error() string {
+	if e.Detail == "" {
+		return e.Code
+	}
+	return e.Code + ": " + e.Detail
+}