feat(zsh): implement PlanForce

internal/modules/zsh/zsh_test.go

@@ -114,4 +114,46 @@ func TestZshPlanApplyInstallsEverything(t *testing.T) {
 	}
 }
 
+func TestPlanForceReinstallsEverything(t *testing.T) {
+	home := t.TempDir()
+	t.Setenv("HOME", home)
+	os.MkdirAll(filepath.Join(home, ".oh-my-zsh", ".git"), 0o755)
+	os.MkdirAll(filepath.Join(home, ".oh-my-zsh", "custom", "plugins", "zsh-autosuggestions", ".git"), 0o755)
+	r := &fakeRunner{installed: map[string]bool{"zsh": true}}
+	m := New(config.ZshConfig{
+		OhMyZshRepo: "https://x/omz.git",
+		Plugins:     []config.ZshPlugin{{Name: "zsh-autosuggestions", Repo: "https://x/a.git"}},
+	}, platform.NewPacman(r), platform.GitClient{Runner: r})
+	plan, err := m.PlanForce(context.Background())
+	if err != nil {
+		t.Fatalf("PlanForce: %v", err)
+	}
+	if plan.IsEmpty() {
+		t.Fatal("force plan must not be empty")
+	}
+	for _, a := range plan.Actions {
+		if err := a.Exec(context.Background()); err != nil {
+			t.Fatalf("Exec: %v", err)
+		}
+	}
+	sawReinstall, sawOMZ, sawPlugin := false, false, false
+	for _, c := range r.runCalls {
+		if len(c) >= 4 && c[0] == "sudo" && c[1] == "pacman" && c[2] == "-S" && c[3] == "--noconfirm" {
+			sawReinstall = true
+		}
+		if len(c) >= 4 && c[0] == "git" && c[3] == "https://x/omz.git" {
+			sawOMZ = true
+		}
+		if len(c) >= 4 && c[0] == "git" && c[3] == "https://x/a.git" {
+			sawPlugin = true
+		}
+	}
+	if !sawReinstall || !sawOMZ || !sawPlugin {
+		t.Fatalf("missing force action; calls=%v", r.runCalls)
+	}
+	if _, err := os.Stat(filepath.Join(home, ".oh-my-zsh")); !os.IsNotExist(err) {
+		t.Fatalf("oh-my-zsh dir should have been removed; stat err=%v", err)
+	}
+}
+
 var _ module.Module = Module{}