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Monorepo for Tangled
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2.3 kB · 123 lines
Go
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import ( "fmt" "os" "time"
"github.com/go-git/go-git/v5/plumbing" "github.com/go-git/go-git/v5/plumbing/filemode")
// A nicer git tree representation.type NiceTree struct { // Relative path Name string `json:"name"` Mode string `json:"mode"` Size int64 `json:"size"`
LastCommit *LastCommitInfo `json:"last_commit,omitempty"`}
func (t *NiceTree) FileMode() (filemode.FileMode, error) { if numericMode, err := filemode.New(t.Mode); err == nil { return numericMode, nil }
// TODO: this is here for backwards compat, can be removed in future versions osMode, err := parseModeString(t.Mode) if err != nil { return filemode.Empty, nil }
conv, err := filemode.NewFromOSFileMode(osMode) if err != nil { return filemode.Empty, nil }
return conv, nil}
// ParseFileModeString parses a file mode string like "-rw-r--r--"// and returns an os.FileModefunc parseModeString(modeStr string) (os.FileMode, error) { if len(modeStr) != 10 { return 0, fmt.Errorf("invalid mode string length: expected 10, got %d", len(modeStr)) }
var mode os.FileMode
// Parse file type (first character) switch modeStr[0] { case 'd': mode |= os.ModeDir case 'l': mode |= os.ModeSymlink case '-': // regular file default: return 0, fmt.Errorf("unknown file type: %c", modeStr[0]) }
// parse permissions for owner, group, and other perms := modeStr[1:] shifts := []int{6, 3, 0} // bit shifts for owner, group, other
for i := range 3 { offset := i * 3 shift := shifts[i]
if perms[offset] == 'r' { mode |= os.FileMode(4 << shift) } if perms[offset+1] == 'w' { mode |= os.FileMode(2 << shift) } if perms[offset+2] == 'x' { mode |= os.FileMode(1 << shift) } }
return mode, nil}
func (t *NiceTree) IsFile() bool { m, err := t.FileMode()
if err != nil { return false }
return m.IsFile()}
func (t *NiceTree) IsSubmodule() bool { m, err := t.FileMode()
if err != nil { return false }
return m == filemode.Submodule}
func (t *NiceTree) IsSymlink() bool { m, err := t.FileMode()
if err != nil { return false }
return m == filemode.Symlink}
type LastCommitInfo struct { Hash plumbing.Hash Message string When time.Time Author struct { Email string Name string When time.Time }}