1
0
Fork 0
mirror of https://github.com/git/git.git synced 2024-10-29 21:37:53 +01:00
Commit graph

12 commits

Author SHA1 Message Date
Linus Torvalds
01247d8742 Make git pack files use little-endian size encoding
This makes it match the new delta encoding, and admittedly makes the
code easier to follow.

This also updates the PACK file version to 2, since this (and the delta
encoding change in the previous commit) are incompatible with the old
format.
2005-06-28 22:15:57 -07:00
Linus Torvalds
67e5a5ece4 git-unpack-objects: re-write to read from stdin
It gets a bit more complicated to unpack in a streaming environment, but
here it is.  The rewrite is actually a lot cleaner in other ways, it's
just a bit more subtle.
2005-06-28 20:34:23 -07:00
Junio C Hamano
e1ddc97684 [PATCH] Fix unpack-objects for header length information.
Standalone unpack-objects command was not adjusted for header length
encoding change when dealing with deltified entry.  This fixes it.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-28 17:12:18 -07:00
Linus Torvalds
a733cb606f Change pack file format. Hopefully for the last time.
This also adds a header with a signature, version info, and the number
of objects to the pack file.  It also encodes the file length and type
more efficiently.
2005-06-28 14:21:02 -07:00
Linus Torvalds
a69d094366 Teach packing about "tag" objects
(And teach sha1_file and unpack-object know how to unpack them too, of
course)
2005-06-28 09:58:23 -07:00
Linus Torvalds
e18088451d csum-file interface updates: return resulting SHA1
Also, make the writing of the SHA1 as a end-header be conditional: not
every user will necessarily want to write the SHA1 to the file itself,
even though current users do (but we migh end up using the same helper
functions for the object files themselves, that don't do this).

This also makes the packed index file contain the SHA1 of the packed
data file at the end (just before its own SHA1).  That way you can
validate the pairing of the two if you want to.
2005-06-26 22:01:46 -07:00
Linus Torvalds
c38138cd78 git-pack-objects: write the pack files with a SHA1 csum
We want to be able to check their integrity later, and putting the
sha1-sum of the contents at the end is a good thing.  The writing
routines are generic, so we could try to re-use them for the index file,
instead of having the same logic duplicated.

Update unpack-objects to know about the extra 20 bytes at the end
of the index.
2005-06-26 20:27:56 -07:00
Linus Torvalds
641e1cac73 git-unpack-objects: start removing debug output
At least the least interesting one.
2005-06-26 08:49:48 -07:00
Linus Torvalds
c4fb06c0d0 Fix object packing/unpacking.
This actually successfully packed and unpacked a git archive down to
1.3MB (17MB unpacked).

Right now unpacking is way too noisy, lots of debug messages left.
2005-06-26 08:40:08 -07:00
Junio C Hamano
8ee378a0f0 [PATCH] Finish initial cut of git-pack-object/git-unpack-object pair.
This finishes the initial round of git-pack-object /
git-unpack-object pair.  They are now good enough to be used as
a transport medium:

 - Fix delta direction in pack-objects; the original was
   computing delta to create the base object from the object to
   be squashed, which was quite unfriendly for unpacker ;-).

 - Add a script to test the very basics.

 - Implement unpacker for both regular and deltified objects.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-26 07:33:23 -07:00
Linus Torvalds
7453695831 git-unpack-objects: start parsing the actual packed data
So far we just print out the type and size.
2005-06-25 15:59:31 -07:00
Linus Torvalds
bad50dc80f First cut at git-unpack-objects
So far it just reads the header and generates the list of objects.

It also sorts them by the order they are written in the pack file,
since that ends up being the same order we got them originally, and
is thus "most recent first".
2005-06-25 15:27:14 -07:00