| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "strings" |
| 9 | "time" |
| 10 | |
| 11 | "reasonix/internal/gitcmd" |
| 12 | ) |
| 13 | |
| 14 | func (a *App) gitWorkspaceRepoForTab(tabID, expectedRoot string) (gitcmd.Repo, error) { |
| 15 | tabID = strings.TrimSpace(tabID) |
| 16 | if tabID == "" { |
| 17 | return gitcmd.Repo{}, fmt.Errorf("workspace tab is required") |
| 18 | } |
| 19 | root, ctrl, ok := a.workspaceChangesTarget(tabID) |
| 20 | if !ok || !filepath.IsAbs(root) { |
| 21 | return gitcmd.Repo{}, fmt.Errorf("workspace tab %q is unavailable", tabID) |
| 22 | } |
| 23 | if !filepath.IsAbs(expectedRoot) || !sameProjectRoot(root, expectedRoot) { |
| 24 | return gitcmd.Repo{}, fmt.Errorf("workspace tab %q has changed project", tabID) |
| 25 | } |
| 26 | if info, err := os.Stat(root); err != nil || !info.IsDir() { |
| 27 | return gitcmd.Repo{}, fmt.Errorf("workspace tab %q directory is unavailable", tabID) |
| 28 | } |
| 29 | return workspaceRepo(root, ctrl) |
| 30 | } |
| 31 | |
| 32 | func (a *App) GitBranchesForTab(tabID, workspaceRoot string) ([]string, error) { |
| 33 | repo, err := a.gitWorkspaceRepoForTab(tabID, workspaceRoot) |
| 34 | if err != nil { |
| 35 | return nil, err |
| 36 | } |
| 37 | return workspaceLocalBranches(repo) |
| 38 | } |
| 39 | |
| 40 | func (a *App) GitCheckoutForTab(tabID, workspaceRoot, branch string) error { |
| 41 | repo, err := a.gitWorkspaceRepoForTab(tabID, workspaceRoot) |
| 42 | if err != nil { |
| 43 | return err |
| 44 | } |
| 45 | return workspaceCheckoutBranch(repo, branch, false) |
| 46 | } |
| 47 | |
| 48 | func (a *App) GitCreateBranchForTab(tabID, workspaceRoot, name string) error { |
| 49 | repo, err := a.gitWorkspaceRepoForTab(tabID, workspaceRoot) |
| 50 | if err != nil { |
| 51 | return err |
| 52 | } |
| 53 | return workspaceCheckoutBranch(repo, name, true) |
| 54 | } |
| 55 | |
| 56 | // The launcher needs only Git totals, not session checkpoints or per-file views. |
| 57 | func (a *App) WorkspaceGitStatsForTab(tabID, workspaceRoot string) (WorkspaceChangesView, error) { |
| 58 | repo, err := a.gitWorkspaceRepoForTab(tabID, workspaceRoot) |
| 59 | if err != nil { |
| 60 | return WorkspaceChangesView{}, err |
| 61 | } |
| 62 | ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second) |
| 63 | defer cancel() |
| 64 | out := WorkspaceChangesView{Files: []WorkspaceChangeView{}, GitAvailable: true} |
| 65 | out.GitBranch, _ = workspaceGitBranchContext(ctx, repo) |
| 66 | entries, err := workspaceGitStatusContext(ctx, repo) |
| 67 | if err != nil { |
| 68 | out.GitAvailable, out.Incomplete, out.GitErr = false, true, err.Error() |
| 69 | return out, nil |
| 70 | } |
| 71 | untracked := []string{} |
| 72 | for _, entry := range entries { |
| 73 | if entry.Status == "??" { |
| 74 | untracked = append(untracked, entry.Path) |
| 75 | } |
| 76 | } |
| 77 | out.Added, out.Removed, out.Incomplete = workspaceGitDiffTally(ctx, repo, untracked) |
| 78 | return out, nil |
| 79 | } |
| 80 | |
| 81 | func workspaceLocalBranches(repo gitcmd.Repo) ([]string, error) { |
| 82 | raw, err := workspaceGitOutputWithTimeout(3*time.Second, repo, "-C", repo.Dir, "branch", "--format=%(refname:short)") |
| 83 | if err != nil { |
| 84 | return nil, err |
| 85 | } |
| 86 | return append([]string{}, strings.FieldsFunc(strings.TrimSpace(string(raw)), func(r rune) bool { return r == '\n' })...), nil |
| 87 | } |
| 88 | |
| 89 | // workspaceCheckoutBranch switches repo's branch. Submodules are not updated |
| 90 | // (gitcmd pins submodule.recurse off for checkout). |
| 91 | func workspaceCheckoutBranch(repo gitcmd.Repo, name string, create bool) error { |
| 92 | base := repo.Dir |
| 93 | name = strings.TrimSpace(name) |
| 94 | if !validGitBranchName(name) { |
| 95 | return fmt.Errorf("invalid branch name %q", name) |
| 96 | } |
| 97 | args := []string{"-C", base, "checkout"} |
| 98 | if create { |
| 99 | args = append(args, "-b") |
| 100 | } |
| 101 | args = append(args, name) |
| 102 | ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second) |
| 103 | defer cancel() |
| 104 | out, err := workspaceGitCommand(ctx, repo, args...).CombinedOutput() |
| 105 | if err != nil { |
| 106 | return fmt.Errorf("git checkout: %w: %s", err, strings.TrimSpace(string(out))) |
| 107 | } |
| 108 | branch, _ := workspaceGitBranchContext(ctx, repo) |
| 109 | workspaceGitBranchCache.Lock() |
| 110 | if branch == "" { |
| 111 | delete(workspaceGitBranchCache.entries, filepath.Clean(base)) |
| 112 | } else { |
| 113 | workspaceGitBranchCache.entries[filepath.Clean(base)] = workspaceGitBranchCacheEntry{ |
| 114 | branch: branch, expires: time.Now().Add(workspaceGitBranchCacheTTL), |
| 115 | } |
| 116 | } |
| 117 | workspaceGitBranchCache.Unlock() |
| 118 | return nil |
| 119 | } |
| 120 |