mugit/internal/git/tree.go (view raw)
Oleksandr Smirnov
Oleksandr Smirnov
olexsmir@gmail.com ui: show file name, last commit message, and when it was updated, 3 months ago
olexsmir@gmail.com ui: show file name, last commit message, and when it was updated, 3 months ago
| 1 | package git |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "fmt" |
| 6 | "io" |
| 7 | "mime" |
| 8 | "path" |
| 9 | "path/filepath" |
| 10 | "strings" |
| 11 | |
| 12 | "github.com/go-git/go-git/v5/plumbing/object" |
| 13 | ) |
| 14 | |
| 15 | type NiceTree struct { |
| 16 | IsFile bool |
| 17 | Name string |
| 18 | Commit *Commit |
| 19 | Mode string |
| 20 | Size int64 |
| 21 | } |
| 22 | |
| 23 | func (g *Repo) makeNiceTree(t *object.Tree, parent string) []NiceTree { |
| 24 | var nts []NiceTree |
| 25 | for _, e := range t.Entries { |
| 26 | mode, _ := e.Mode.ToOSFileMode() |
| 27 | sz, _ := t.Size(e.Name) |
| 28 | |
| 29 | // TODO: this should be cached, its pretty expensive |
| 30 | lc, _ := g.lastCommitForFile(path.Join(parent, e.Name)) |
| 31 | nts = append(nts, NiceTree{ |
| 32 | Name: e.Name, |
| 33 | Mode: mode.String(), |
| 34 | IsFile: e.Mode.IsFile(), |
| 35 | Commit: lc, |
| 36 | Size: sz, |
| 37 | }) |
| 38 | } |
| 39 | return nts |
| 40 | } |
| 41 | |
| 42 | func (g *Repo) FileTree(path string) ([]NiceTree, error) { |
| 43 | c, err := g.r.CommitObject(g.h) |
| 44 | if err != nil { |
| 45 | return nil, fmt.Errorf("commit object: %w", err) |
| 46 | } |
| 47 | |
| 48 | tree, err := c.Tree() |
| 49 | if err != nil { |
| 50 | return nil, fmt.Errorf("file tree: %w", err) |
| 51 | } |
| 52 | |
| 53 | var files []NiceTree |
| 54 | if path == "" { |
| 55 | files = g.makeNiceTree(tree, path) |
| 56 | } else { |
| 57 | o, err := tree.FindEntry(path) |
| 58 | if err != nil { |
| 59 | return nil, err |
| 60 | } |
| 61 | |
| 62 | if !o.Mode.IsFile() { |
| 63 | subtree, err := tree.Tree(path) |
| 64 | if err != nil { |
| 65 | return nil, err |
| 66 | } |
| 67 | files = g.makeNiceTree(subtree, path) |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | return files, nil |
| 72 | } |
| 73 | |
| 74 | type FileContent struct { |
| 75 | IsBinary bool |
| 76 | Content []byte |
| 77 | Mime string |
| 78 | Size int64 |
| 79 | } |
| 80 | |
| 81 | func (fc FileContent) IsImage() bool { |
| 82 | return strings.HasPrefix(fc.Mime, "image/") |
| 83 | } |
| 84 | |
| 85 | func (fc *FileContent) String() string { |
| 86 | if fc.IsBinary { |
| 87 | return "" |
| 88 | } |
| 89 | return string(fc.Content) |
| 90 | } |
| 91 | |
| 92 | func (g *Repo) FileContent(path string) (*FileContent, error) { |
| 93 | c, err := g.r.CommitObject(g.h) |
| 94 | if err != nil { |
| 95 | return &FileContent{}, fmt.Errorf("commit object: %w", err) |
| 96 | } |
| 97 | |
| 98 | tree, err := c.Tree() |
| 99 | if err != nil { |
| 100 | return &FileContent{}, fmt.Errorf("file tree: %w", err) |
| 101 | } |
| 102 | |
| 103 | file, err := tree.File(path) |
| 104 | if err != nil { |
| 105 | if errors.Is(err, object.ErrFileNotFound) { |
| 106 | return &FileContent{}, ErrFileNotFound |
| 107 | } |
| 108 | return &FileContent{}, err |
| 109 | } |
| 110 | |
| 111 | reader, err := file.Reader() |
| 112 | if err != nil { |
| 113 | return nil, fmt.Errorf("file reader: %w", err) |
| 114 | } |
| 115 | defer reader.Close() |
| 116 | |
| 117 | content, err := io.ReadAll(reader) |
| 118 | if err != nil { |
| 119 | return nil, fmt.Errorf("read file: %w", err) |
| 120 | } |
| 121 | |
| 122 | isBin, _ := file.IsBinary() |
| 123 | mimeType := mime.TypeByExtension(filepath.Ext(path)) |
| 124 | if mimeType == "" { |
| 125 | mimeType = "text/plain" |
| 126 | if isBin { |
| 127 | mimeType = "application/octet-stream" |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | return &FileContent{ |
| 132 | IsBinary: isBin, |
| 133 | Content: content, |
| 134 | Mime: mimeType, |
| 135 | Size: file.Size, |
| 136 | }, nil |
| 137 | } |