f.close()
+def write_pack_header(f, num_objects):
+ """Write a pack header for the given number of objects."""
+ f.write('PACK') # Pack header
+ f.write(struct.pack('>L', 2)) # Pack version
+ f.write(struct.pack('>L', num_objects)) # Number of objects in pack
+
+
def write_pack_data(f, objects, num_objects, window=10):
- """Write a new pack file.
+ """Write a new pack data file.
- :param filename: The filename of the new pack file.
- :param objects: List of objects to write (tuples with object and path)
+ :param f: File to write to
+ :param objects: Iterable over (object, path) tuples to write
+ :param num_objects: Number of objects to write
+ :param window: Sliding window size for searching for deltas; currently
+ unimplemented
:return: List with (name, offset, crc32 checksum) entries, pack checksum
"""
recency = list(objects)
# Write the pack
entries = []
f = SHA1Writer(f)
- f.write("PACK") # Pack header
- f.write(struct.pack(">L", 2)) # Pack version
- f.write(struct.pack(">L", num_objects)) # Number of objects in pack
+ write_pack_header(f, num_objects)
for o, path in recency:
sha1 = o.sha().digest()
orig_t = o.type_num