Version 0

---------

Following sections explain internals of metastore file (.metadata).

### Data types

CSTRING = NUL-terminated binary string

BSTRING(N) = binary string of length N

INT(N) = N byte integer in little-endian byte order

### File layout

HEADER

N * ENTRY

### HEADER format

BSTRING(10) - Magic header - "MeTaSt00r3"

BSTRING(8) - Version - "\0\0\0\0\0\0\0\0" (currently)

### ENTRY format

CSTRING - Path (absolute or relative)

CSTRING - Owner (owner name, not uid)

CSTRING - Group (group name, not gid)

INT(8) - Mtime (seconds)

INT(8) - Mtime (nanoseconds)

INT(2) - Mode (st_mode from struct stat st_mode AND 0177777,

i.e. unix permissions and type of file)

INT(4) - num_xattrs

FOR (i = 0; i < num_xattrs; i++) {

CSTRING - xattr name

INT(4) - xattrlen

BSTRING(xattrlen) - xattr value

}