| 1 | package gitcmd |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "fmt" |
| 7 | "os" |
| 8 | "path/filepath" |
| 9 | "strings" |
| 10 | ) |
| 11 | |
| 12 | // StageAll is `git add -A` over r's work tree into the index env names, never |
| 13 | // entering a nested repository: git checks a submodule by running inside it, |
| 14 | // under its config. A gitlink present as a directory keeps the commit the |
| 15 | // index records; an untracked nested repository is left out. |
| 16 | func (r Repo) StageAll(ctx context.Context, env ...string) error { |
| 17 | top := r.Top() |
| 18 | nested, err := top.nestedRepositories(ctx, env) |
| 19 | if err != nil { |
| 20 | return err |
| 21 | } |
| 22 | var specs bytes.Buffer |
| 23 | specs.WriteString(".\x00") |
| 24 | for _, path := range nested { |
| 25 | specs.WriteString(":(exclude,literal)" + path + "\x00") |
| 26 | } |
| 27 | cmd := top.Command(ctx, "add", "-A", "--pathspec-from-file=-", "--pathspec-file-nul") |
| 28 | cmd.Env = append(cmd.Env, env...) |
| 29 | cmd.Stdin = &specs |
| 30 | var stderr bytes.Buffer |
| 31 | cmd.Stderr = &stderr |
| 32 | if err := cmd.Run(); err != nil { |
| 33 | return fmt.Errorf("git add: %w: %s", err, strings.TrimSpace(stderr.String())) |
| 34 | } |
| 35 | return nil |
| 36 | } |
| 37 | |
| 38 | // nestedRepositories lists, relative to the work tree root, the gitlinks |
| 39 | // present as directories and the untracked nested repositories git reports |
| 40 | // (with a trailing slash) instead of descending into them. |
| 41 | func (r Repo) nestedRepositories(ctx context.Context, env []string) ([]string, error) { |
| 42 | var nested []string |
| 43 | staged, err := r.output(ctx, env, "ls-files", "-s", "-z") |
| 44 | if err != nil { |
| 45 | return nil, err |
| 46 | } |
| 47 | for entry := range strings.SplitSeq(staged, "\x00") { |
| 48 | meta, path, ok := strings.Cut(entry, "\t") |
| 49 | if !ok || !strings.HasPrefix(meta, "160000 ") { |
| 50 | continue |
| 51 | } |
| 52 | if st, err := os.Lstat(filepath.Join(r.WorkTree, filepath.FromSlash(path))); err == nil && st.IsDir() { |
| 53 | nested = append(nested, path) |
| 54 | } |
| 55 | } |
| 56 | untracked, err := r.output(ctx, env, "ls-files", "-o", "-z", "--exclude-standard") |
| 57 | if err != nil { |
| 58 | return nil, err |
| 59 | } |
| 60 | for path := range strings.SplitSeq(untracked, "\x00") { |
| 61 | if dir, ok := strings.CutSuffix(path, "/"); ok { |
| 62 | nested = append(nested, dir) |
| 63 | } |
| 64 | } |
| 65 | return nested, nil |
| 66 | } |
| 67 | |
| 68 | func (r Repo) output(ctx context.Context, env []string, args ...string) (string, error) { |
| 69 | cmd := r.Command(ctx, args...) |
| 70 | cmd.Env = append(cmd.Env, env...) |
| 71 | var stderr bytes.Buffer |
| 72 | cmd.Stderr = &stderr |
| 73 | out, err := cmd.Output() |
| 74 | if err != nil { |
| 75 | return "", fmt.Errorf("git %s: %w: %s", args[0], err, strings.TrimSpace(stderr.String())) |
| 76 | } |
| 77 | return string(out), nil |
| 78 | } |
| 79 |