- 30 7月, 2005 1 次提交
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由 Pavel Roskin 提交于
I have reviewed all occurrences of mmap() in git and fixed three types of errors/defects: 1) The result is not checked. 2) The file descriptor is closed if mmap() succeeds, but not when it fails. 3) Various casts applied to -1 are used instead of MAP_FAILED, which is specifically defined to check mmap() return value. [jc: This is a second round of Pavel's patch. He fixed up the problem that close() potentially clobbering the errno from mmap, which the first round had.] Signed-off-by: NPavel Roskin <proski@gnu.org> Signed-off-by: NJunio C Hamano <junkio@cox.net>
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- 12 7月, 2005 1 次提交
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由 Junio C Hamano 提交于
This reverses the order of object lookup, to check pack index first and then go to the filesystem to find .git/objects/??/ hierarchy. When most of the objects are packed, this saves quite many stat() calls and negative dcache entries; while the price this approach has to pay is negligible, even when most of the objects are outside pack, because checking pack index file is quite cheap. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 11 7月, 2005 3 次提交
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由 Linus Torvalds 提交于
Very irritating. But "snprintf()" wants "char *", and zlib wants "unsigned char *".
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由 Daniel Barkalow 提交于
Remove map_sha1_file(), now unused. Signed-off-by: NDaniel Barkalow <barkalow@iabervon.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Daniel Barkalow 提交于
Add write_sha1_to_fd(), which writes an object to a file descriptor. This includes support for unpacking it and recompressing it. Signed-off-by: NDaniel Barkalow <barkalow@iabervon.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 09 7月, 2005 2 次提交
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由 Bryan Larsen 提交于
This patch makes the first half of write_sha1_file() and index_fd() externally visible, to allow callers to compute the object ID without actually storing it in the object database. [JC demangled the whitespaces himself because he liked the patch so much, and reworked the interface to index_fd() slightly, taking suggestion from Linus and of his own.] Signed-off-by: NBryan Larsen <bryan.larsen@gmail.com> Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
I'm bored with doing it by hand all the time.
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- 07 7月, 2005 1 次提交
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由 Junio C Hamano 提交于
The function write_one_ref() is passed the list of refs received from the other end, which was obtained by directory traversal under $GIT_DIR/refs; this can contain paths other than what git-init-db prepares and would fail to clone when there is such. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 06 7月, 2005 3 次提交
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由 Junio C Hamano 提交于
The function calls opendir() without a matching closedir(). Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
GIT_DIR=. ends up being what some of the pack senders use, and we sometimes messed up when cleaning up the path, ie a ".//HEAD" was cleaned up into "/HEAD", not "HEAD" like it should be. We should do some other cleanup, and probably also verify that symlinks don't point to outside the git area.
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由 Linus Torvalds 提交于
"git_path()" returns a static pathname pointer into the git directory using a printf-like format specifier. "head_ref()" works like "for_each_ref()", except for just the HEAD.
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- 04 7月, 2005 3 次提交
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由 Linus Torvalds 提交于
We'll want this for incremental packing.
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由 Linus Torvalds 提交于
Mainly making a lot of local functions and variables be marked "static", but there was a "zero as NULL" warning in there too.
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由 Linus Torvalds 提交于
A couple of bogus "might be used undefined" warnings are avoided by moving the initializations unnecessarily early.
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- 01 7月, 2005 3 次提交
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由 Junio C Hamano 提交于
This implements show_pack_info() function used in verify-pack command when -v flag is used to obtain something like unpack-objects used to give when it was first written. It shows the following for each non-deltified object found in the pack: SHA1 type size offset For deltified objects, it shows this instead: SHA1 type size offset depth base_sha1 In order to get the output in the order that appear in the pack file for debugging purposes, you can do this: $ git-verify-pack -v packfile | sort -n -k 4,4 Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
Nico pointed out that having verify_pack.c and verify-pack.c was confusing. Rename verify_pack.c to pack-check.c as suggested, and enhances the verification done quite a bit. - Built-in sha1_file unpacking knows that a base object of a deltified object _must_ be in the same pack, and takes advantage of that fact. - Earlier verify-pack command only checked the SHA1 sum for the entire pack file and did not look into its contents. It now checks everything idx file claims to have unpacks correctly. - It now has a hook to give more detailed information for objects contained in the pack under -v flag. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
This teaches packed_delta_info() that it only needs to look at the type of the base object to figure out both type and size of a deltified object. This saves quite a many calls to inflate() when dealing with a deep delta chain. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 30 6月, 2005 3 次提交
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由 Junio C Hamano 提交于
Given a list of <pack>.idx files, this command validates the index file and the corresponding .pack file for consistency. This patch also uses the same validation mechanism in fsck-cache when the --full flag is used. During normal operation, sha1_file.c verifies that a given .idx file matches the .pack file by comparing the SHA1 checksum stored in .idx file and .pack file as a minimum sanity check. We may further want to check the pack signature and version when we map the pack, but that would be a separate patch. Earlier, errors to map a pack file was not flagged fatal but led to a random fatal error later. This version explicitly die()s when such an error is detected. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
If we prefer 0 as maxsize for diff_delta() to say "unlimited", let's be consistent about it. This patch also fixes type mismatch in a call to get_delta_hdr_size() from packed_delta_info(). Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Nicolas Pitre 提交于
This is a wrap-up patch including all the cleanups I've done to the delta code and its usage. The most important change is the factorization of the delta header handling code. Signed-off-by: NNicolas Pitre <nico@cam.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 29 6月, 2005 6 次提交
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由 Linus Torvalds 提交于
Pointed out by Junio.
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由 Linus Torvalds 提交于
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.
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由 Junio C Hamano 提交于
The commands git-fsck-cache and probably git-*-pull needs to have a way to enumerate objects contained in packed GIT archives and alternate object pools. This commit exposes the data structure used to keep track of them from sha1_file.c, and adds a couple of accessor interface functions for use by the enhanced git-fsck-cache command. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
This was causing random segfaults, because use_packed_git() got confused by random garbage there. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
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.
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由 Linus Torvalds 提交于
(And teach sha1_file and unpack-object know how to unpack them too, of course)
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- 28 6月, 2005 5 次提交
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由 Junio C Hamano 提交于
The initial one was not doing enough to figure things out without uncompressing too much. It also fixes a potential segfault resulting from missing use_packed_git() call. We would need to introduce unuse_packed_git() call and do proper use counting to figure out when it is safe to unmap, but currently we do not unmap packed file yet. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
Now, there's still a misfeature there, which is that when you create a new object, it doesn't check whether that object already exists in the pack-file, so you'll end up with a few recent objects that you really don't need (notably tree objects), and this patch fixes it. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
GIT_OBJECT_DIRECTORY and GIT_ALTERNATE_OBJECT_DIRECTORIES can have the "pack" subdirectory that houses "packed GIT" files produced by git-pack-objects (e.g. .git/objects/pack/foo.pack and .git/objects/pack/foo.idx; always store them as pairs). The following functions in sha1_file.c can then read object contents from such packed file: - sha1_object_info() - has_sha1_file() - read_sha1_file() Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
This lets us eliminate one use of map_sha1_file() outside sha1_file.c, to bring us one step closer to the packed GIT. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
Packed delta files created by git-pack-objects seems to be the way to go, and existing "delta" object handling code has exposed the object representation details to too many places. Remove it while we refactor code to come up with a proper interface in sha1_file.c. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 22 6月, 2005 1 次提交
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由 Mika Kukkonen 提交于
Here is a patch that fixes several gcc4 warnings about different signedness, all between char and unsigned char. I tried to keep the patch minimal so resertod to casts in three places. Signed-off-by: NMika Kukkonen <mikukkon@iki.fi> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 09 6月, 2005 1 次提交
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由 Jason McMullan 提交于
Make 'sha1' parameters const where possible Signed-off-by: NJason McMullan <jason.mcmullan@timesys.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 07 6月, 2005 1 次提交
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由 Daniel Barkalow 提交于
This patch adds code to read a hash out of a specified file under {GIT_DIR}/refs/, and to write such files atomically and optionally with an compare and lock. Signed-off-by: NDaniel Barkalow <barkalow@iabervon.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 03 6月, 2005 2 次提交
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由 Junio C Hamano 提交于
This adds sha1_file_size() helper function and uses it in the rename/copy similarity estimator. The helper function handles deltified object as well. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
When a remote repository is deltified, we need to get the objects that a deltified object we want to obtain is based upon. The initial parts of each retrieved SHA1 file is inflated and inspected to see if it is deltified, and its base object is asked from the remote side when it is. Since this partial inflation and inspection has a small performance hit, it can optionally be skipped by giving -d flag to git-*-pull commands. This flag should be used only when the remote repository is known to have no deltified objects. Rsync transport does not have this problem since it fetches everything the remote side has. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 02 6月, 2005 2 次提交
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由 Linus Torvalds 提交于
Make a separate helper for parsing the header of an object file (really carefully) and for unpacking the rest. This means that anybody who uses the "unpack_sha1_header()" interface can easily look at the header and decide to unpack the rest too, without doing any extra work.
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由 Linus Torvalds 提交于
It's for people who aren't necessarily interested in the whole unpacked file, but do want to know the header information (size, type, etc..) For example, the delta code can use this to figure out whether an object is already a delta object, and what it is a delta against, without actually bothering to unpack all of the actual data in the delta.
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- 26 5月, 2005 1 次提交
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由 Linus Torvalds 提交于
This makes them easier to parse without having to worry about running off the end, and allows us to treat commits as normal strings.
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- 23 5月, 2005 1 次提交
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由 Linus Torvalds 提交于
Add <limits.h> to the include files handled by "cache.h", and remove extraneous #include directives from various .c files. The rule is that "cache.h" gets all the basic stuff, so that we'll have as few system dependencies as possible.
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