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2014-04-03Merge branch 'nd/log-show-linear-break'Libravatar Junio C Hamano1-0/+13
Attempts to show where a single-strand-of-pearls break in "git log" output. * nd/log-show-linear-break: log: add --show-linear-break to help see non-linear history object.h: centralize object flag allocation
2014-03-25log: add --show-linear-break to help see non-linear historyLibravatar Nguyễn Thái Ngọc Duy1-1/+1
Option explanation is in rev-list-options.txt. The interaction with -z is left undecided. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-25object.h: centralize object flag allocationLibravatar Nguyễn Thái Ngọc Duy1-0/+13
While the field "flags" is mainly used by the revision walker, it is also used in many other places. Centralize the whole flag allocation to one place for a better overview (and easier to move flags if we have too). Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-02-28Document some functions defined in object.cLibravatar Michael Haggerty1-0/+7
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Acked-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-10-23Merge branch 'mg/more-textconv'Libravatar Junio C Hamano1-0/+2
Make "git grep" and "git show" pay attention to --textconv when dealing with blob objects. * mg/more-textconv: grep: honor --textconv for the case rev:path grep: allow to use textconv filters t7008: demonstrate behavior of grep with textconv cat-file: do not die on --textconv without textconv filters show: honor --textconv for blobs diff_opt: track whether flags have been set explicitly t4030: demonstrate behavior of show with textconv
2013-06-02object_array_entry: fix memory handling of the name fieldLibravatar Michael Haggerty1-1/+7
Previously, the memory management of the object_array_entry::name field was inconsistent and undocumented. object_array_entries are ultimately created by a single function, add_object_array_with_mode(), which has an argument "const char *name". This function used to simply set the name field to reference the string pointed to by the name parameter, and nobody on the object_array side ever freed the memory. Thus, it assumed that the memory for the name field would be managed by the caller, and that the lifetime of that string would be at least as long as the lifetime of the object_array_entry. But callers were inconsistent: * Some passed pointers to constant strings or argv entries, which was OK. * Some passed pointers to newly-allocated memory, but didn't arrange for the memory ever to be freed. * Some passed the return value of sha1_to_hex(), which is a pointer to a statically-allocated buffer that can be overwritten at any time. * Some passed pointers to refnames that they received from a for_each_ref()-type iteration, but the lifetimes of such refnames is not guaranteed by the refs API. Bring consistency to this mess by changing object_array to make its own copy for the object_array_entry::name field and free this memory when an object_array_entry is deleted from the array. Many callers were passing the empty string as the name parameter, so as a performance optimization, treat the empty string specially. Instead of making a copy, store a pointer to a statically-allocated empty string to object_array_entry::name. When deleting such an entry, skip the free(). Change the callers that were already passing copies to add_object_array_with_mode() to either skip the copy, or (if the memory needed to be allocated anyway) freeing the memory itself. A part of this commit effectively reverts 70d26c6e76 read_revisions_from_stdin: make copies for handle_revision_arg because the copying introduced by that commit (which is still necessary) is now done at a deeper level. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-28object_array_remove_duplicates(): rewrite to reduce copyingLibravatar Michael Haggerty1-1/+5
The old version copied one entry to its destination position, then deleted any matching entries from the tail of the array. This required the tail of the array to be copied multiple times. It didn't affect the complexity of the algorithm because the whole tail has to be searched through anyway. But all the copying was unnecessary. Instead, check for the existence of an entry with the same name in the *head* of the list before copying an entry to its final position. This way each entry has to be copied at most one time. Extract a helper function contains_name() to do a bit of the work. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-28object_array: add function object_array_filter()Libravatar Michael Haggerty1-0/+11
Add a function that allows unwanted entries in an object_array to be removed. This encapsulation is a step towards giving object_array ownership of its entries' name memory. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-10grep: honor --textconv for the case rev:pathLibravatar Michael J Gruber1-0/+2
Make "grep" honor the "--textconv" option also for the object case, i.e. when used with an argument "rev:path". Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-17avoid segfaults on parse_object failureLibravatar Jeff King1-1/+12
Many call-sites of parse_object assume that they will get a non-NULL return value; this is not the case if we encounter an error while parsing the object. This patch adds a wrapper function around parse_object that handles dying automatically, and uses it anywhere we immediately try to access the return value as a non-NULL pointer (i.e., anywhere that we would currently segfault). This wrapper may also be useful in other places. The most obvious one is code like: o = parse_object(sha1); if (!o) die(...); However, these should not be mechanically converted to parse_object_or_die, as the die message is sometimes customized. Later patches can address these sites on a case-by-case basis. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-30Teach revision walking machinery to walk multiple times sequenciallyLibravatar Heiko Voigt1-0/+2
Previously it was not possible to iterate revisions twice using the revision walking api. We add a reset_revision_walk() which clears the used flags. This allows us to do multiple sequencial revision walks. We add the appropriate calls to the existing submodule machinery doing revision walks. This is done to avoid surprises if future code wants to call these functions more than once during the processes lifetime. Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-03-14object.h: Remove obsolete struct object_refsLibravatar Jakob Pfender1-5/+0
7914053 (Remove unused object-ref code, 2008-02-25) removed all uses of the structure from the code, but forgot to remove the type definition itself. Signed-off-by: Jakob Pfender <jpfender@elegosoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-29object.h: Add OBJECT_ARRAY_INIT macro and make use of it.Libravatar Thiago Farina1-0/+2
Signed-off-by: Thiago Farina <tfransosi@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-17object.c: remove unused functionsLibravatar Junio C Hamano1-5/+0
object_list_append() and object_list_length}() are not used anywhere. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-25Merge branch 'js/maint-all-implies-HEAD'Libravatar Junio C Hamano1-0/+1
* js/maint-all-implies-HEAD: bundle: allow the same ref to be given more than once revision walker: include a detached HEAD in --all
2009-01-17bundle: allow the same ref to be given more than onceLibravatar Junio C Hamano1-0/+1
"git bundle create x master master" used to create a bundle that lists the same branch (master) twice. Cloning from such a bundle resulted in a needless warning "warning: Duplicated ref: refs/remotes/origin/master". Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-09-10Fix git-diff-tree --stdinLibravatar Junio C Hamano1-1/+12
140b378 (Teach git diff-tree --stdin to diff trees, 2008-08-10) broke the more important case of reading series of commits to filter ones that touch given pathspecs. Noticed by Mark Levedahl, running "gitk ec3a4ba" and trying to focus on commits that touch "t/" directory. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-02-25Remove unused object-ref codeLibravatar Martin Koegler1-8/+0
Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-07War on whitespaceLibravatar Junio C Hamano1-1/+1
This uses "git-apply --whitespace=strip" to fix whitespace errors that have crept in to our source files over time. There are a few files that need to have trailing whitespaces (most notably, test vectors). The results still passes the test, and build result in Documentation/ area is unchanged. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-04-24add add_object_array_with_modeLibravatar Martin Koegler1-0/+2
Each object in struct object_array is extended with the mode. If not specified, S_IFINVALID is used. An object with an mode value can be added with add_object_array_with_mode. Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at> Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-04-16Clean up object creation to use more common codeLibravatar Linus Torvalds1-1/+1
This replaces the fairly odd "created_object()" function that did _most_ of the object setup with a more complete "create_object()" function that also has a more natural calling convention. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-04-16Add a generic "object decorator" interface, and make object refs use itLibravatar Linus Torvalds1-1/+0
This allows you to add an arbitrary "decoration" of your choice to any object. It's a space- and time-efficient way to add information to arbitrary objects, especially if most objects probably do not have the decoration. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-27get rid of lookup_object_type()Libravatar Nicolas Pitre1-3/+0
This function is called only once in the whole source tree. Let's move its code inline instead, which is also in the spirit of removing as much object type char arrays as possible (not that this patch does anything for that but at least it is now a local matter). Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-27convert object type handling from a string to a numberLibravatar Nicolas Pitre1-1/+1
We currently have two parallel notation for dealing with object types in the code: a string and a numerical value. One of them is obviously redundent, and the most used one requires more stack space and a bunch of strcmp() all over the place. This is an initial step for the removal of the version using a char array found in object reading code paths. The patch is unfortunately large but there is no sane way to split it in smaller parts without breaking the system. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-27formalize typename(), and add its reverse type_from_string()Libravatar Nicolas Pitre1-7/+3
Sometime typename() is used, sometimes type_names[] is accessed directly. Let's enforce typename() all the time which allows for validating the type. Also let's add a function to go from a name to a type and use it instead of manual memcpy() when appropriate. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-09-16Add git-for-each-ref: helper for language bindingsLibravatar Junio C Hamano1-0/+6
This adds a new command, git-for-each-ref. You can have it iterate over refs and have it output various aspects of the objects they refer to. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-09-03more lightweight revalidation while reusing deflated stream in packingLibravatar Junio C Hamano1-11/+0
When copying from an existing pack and when copying from a loose object with new style header, the code makes sure that the piece we are going to copy out inflates well and inflate() consumes the data in full while doing so. The check to see if the xdelta really apply is quite expensive as you described, because you would need to have the image of the base object which can be represented as a delta against something else. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-07-12Remove TYPE_* constant macros and use object_type enums consistently.Libravatar Linus Torvalds1-8/+15
This updates the type-enumeration constants introduced to reduce the memory footprint of "struct object" to match the type bits already used in the packfile format, by removing the former (i.e. TYPE_* constant macros) and using the latter (i.e. enum object_type) throughout the code for consistency. Eventually we can stop passing around the "type strings" entirely, and this will help - no confusion about two different integer enumeration. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-06-29Abstract out accesses to object hash arrayLibravatar Linus Torvalds1-2/+3
There are a few special places where some programs accessed the object hash array directly, which bothered me because I wanted to play with some simple re-organizations. So this patch makes the object hash array data structures all entirely local to object.c, and the few users who wanted to look at it now get to use a function to query how many object index entries there can be, and to actually access the array. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-06-19Add "named object array" conceptLibravatar Linus Torvalds1-1/+12
We've had this notion of a "object_list" for a long time, which eventually grew a "name" member because some users (notably git-rev-list) wanted to name each object as it is generated. That object_list is great for some things, but it isn't all that wonderful for others, and the "name" member is generally not used by everybody. This patch splits the users of the object_list array up into two: the traditional list users, who want the list-like format, and who don't actually use or want the name. And another class of users that really used the list as an extensible array, and generally wanted to name the objects. The patch is fairly straightforward, but it's also biggish. Most of it really just cleans things up: switching the revision parsing and listing over to the array makes things like the builtin-diff usage much simpler (we now see exactly how many members the array has, and we don't get the objects reversed from the order they were on the command line). One of the main reasons for doing this at all is that the malloc overhead of the simple object list was actually pretty high, and the array is just a lot denser. So this patch brings down memory usage by git-rev-list by just under 3% (on top of all the other memory use optimizations) on the mozilla archive. It does add more lines than it removes, and more importantly, it adds a whole new infrastructure for maintaining lists of objects, but on the other hand, the new dynamic array code is pretty obvious. The change to builtin-diff-tree.c shows a fairly good example of why an array interface is sometimes more natural, and just much simpler for everybody. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-06-18Remove "refs" field from "struct object"Libravatar Linus Torvalds1-1/+3
This shrinks "struct object" to the absolutely minimal size possible. It now contains /only/ the object flags and the SHA1 hash name of the object. The "refs" field, which is really needed only for fsck, is maintained in a separate hashed lookup-table, allowing all normal users to totally ignore it. This helps memory usage, although not as much as I hoped: it looks like the allocation overhead of malloc (and the alignment constraints in particular) means that while the structure size shrinks, the actual allocation overhead mostly does not. [ That said: memory usage is actually down, but not as much as it should be: I suspect just one of the object types actually ended up shrinking its effective allocation size. To get to the next level, we probably need specialized allocators that don't pad the allocation more than necessary. ] The separation makes for some code cleanup, though, and makes the ref tracking that fsck wants a clearly separate thing. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-06-17Move "void *util" from "struct object" into "struct commit"Libravatar Linus Torvalds1-1/+0
Every single user actually wanted this only for commit objects, and we have no reason to waste space on it for other object types. So just move the structure member from the low-level "struct object" into the "struct commit". This leaves the commit object the same size, and removes one unnecessary pointer from all other object allocations. This shrinks memory usage (still at a fairly hefty half-gig, admittedly) of "git-rev-list --all --objects" on the mozilla repo by another 5% in my tests. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-06-17Shrink "struct object" a bitLibravatar Linus Torvalds1-2/+18
This shrinks "struct object" by a small amount, by getting rid of the "struct type *" pointer and replacing it with a 3-bit bitfield instead. In addition, we merge the bitfields and the "flags" field, which incidentally should also remove a useless 4-byte padding from the object when in 64-bit mode. Now, our "struct object" is still too damn large, but it's now less obviously bloated, and of the remaining fields, only the "util" (which is not used by most things) is clearly something that should be eventually discarded. This shrinks the "git-rev-list --all" memory use by about 2.5% on the kernel archive (and, perhaps more importantly, on the larger mozilla archive). That may not sound like much, but I suspect it's more on a 64-bit platform. There are other remaining inefficiencies (the parent lists, for example, probably have horrible malloc overhead), but this was pretty obvious. Most of the patch is just changing the comparison of the "type" pointer from one of the constant string pointers to the appropriate new TYPE_xxx small integer constant. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-12Use a hashtable for objects instead of a sorted listLibravatar Johannes Schindelin1-1/+1
In a simple test, this brings down the CPU time from 47 sec to 22 sec. Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-07[PATCH] Compilation: zero-length array declaration.Libravatar Junio C Hamano1-1/+1
ISO C99 (and GCC 3.x or later) lets you write a flexible array at the end of a structure, like this: struct frotz { int xyzzy; char nitfol[]; /* more */ }; GCC 2.95 and 2.96 let you to do this with "char nitfol[0]"; unfortunately this is not allowed by ISO C90. This declares such construct like this: struct frotz { int xyzzy; char nitfol[FLEX_ARRAY]; /* more */ }; and git-compat-util.h defines FLEX_ARRAY to 0 for gcc 2.95 and empty for others. If you are using a C90 C compiler, you should be able to override this with CFLAGS=-DFLEX_ARRAY=1 from the command line of "make". Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-11-16GIT 0.99.9j aka 1.0rc3Libravatar Junio C Hamano1-2/+8
Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-09-16[PATCH] Avoid building object ref lists when not neededLibravatar Linus Torvalds1-0/+1
The object parsing code builds a generic "this object references that object" because doing a full connectivity check for fsck requires it. However, nothing else really needs it, and it's quite expensive for git-rev-list that can have tons of objects in flight. So, exactly like the commit buffer save thing, add a global flag to disable it, and use it in git-rev-list. Before: $ /usr/bin/time git-rev-list --objects v2.6.12..HEAD | wc -l 12.28user 0.29system 0:12.57elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+26718minor)pagefaults 0swaps 59124 After this change: $ /usr/bin/time git-rev-list --objects v2.6.12..HEAD | wc -l 10.33user 0.18system 0:10.54elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+18509minor)pagefaults 0swaps 59124 and note how the number of pages touched by git-rev-list for this particular object list has shrunk from 26,718 (104 MB) to 18,509 (72 MB). Calculating the total object difference between two git revisions is still clearly the most expensive git operation (both in memory and CPU time), but it's now less than 40% of what it used to be. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-09-10[PATCH] Add function to append to an object_list.Libravatar Daniel Barkalow1-0/+3
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-08-02[PATCH] Object library enhancementsLibravatar barkalow@iabervon.org1-0/+10
Add function to look up an object which is entirely unknown, so that it can be put in a list. Various other functions related to lists of objects. Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-06-27[PATCH] Remove "delta" object representation.Libravatar Junio C Hamano1-2/+0
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: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-26Ooh. Make git-rev-list --object associate a name with objects.Libravatar Linus Torvalds1-0/+1
The name isn't unique, it's just the first name that object is reached through, so it's really nothing more than a hint.
2005-06-21[PATCH] Parse tags for absent objectsLibravatar Daniel Barkalow1-0/+4
Handle parsing a tag for a non-present object. This adds a function to lookup an object with lookup_* for * in a string, so that it can get the right storage based on the "type" line in the tag. Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-08[PATCH] Anal retentive 'const unsigned char *sha1'Libravatar Jason McMullan1-3/+3
Make 'sha1' parameters const where possible Signed-off-by: Jason McMullan <jason.mcmullan@timesys.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-06[PATCH] Modify git-rev-list to linearise the commit history in merge order.Libravatar jon@blackcubes.dyndns.org1-0/+1
This patch linearises the GIT commit history graph into merge order which is defined by invariants specified in Documentation/git-rev-list.txt. The linearisation produced by this patch is superior in an objective sense to that produced by the existing git-rev-list implementation in that the linearisation produced is guaranteed to have the minimum number of discontinuities, where a discontinuity is defined as an adjacent pair of commits in the output list which are not related in a direct child-parent relationship. With this patch a graph like this: a4 --- | \ \ | b4 | |/ | | a3 | | | | | a2 | | | | c3 | | | | | c2 | b3 | | | /| | b2 | | | c1 | | / | b1 a1 | | | a0 | | / root Sorts like this: = a4 | c3 | c2 | c1 ^ b4 | b3 | b2 | b1 ^ a3 | a2 | a1 | a0 = root Instead of this: = a4 | c3 ^ b4 | a3 ^ c2 ^ b3 ^ a2 ^ b2 ^ c1 ^ a1 ^ b1 ^ a0 = root A test script, t/t6000-rev-list.sh, includes a test which demonstrates that the linearisation produced by --merge-order has less discontinuities than the linearisation produced by git-rev-list without the --merge-order flag specified. To see this, do the following: cd t ./t6000-rev-list.sh cd trash cat actual-default-order cat actual-merge-order The existing behaviour of git-rev-list is preserved, by default. To obtain the modified behaviour, specify --merge-order or --merge-order --show-breaks on the command line. This version of the patch has been tested on the git repository and also on the linux-2.6 repository and has reasonable performance on both - ~50-100% slower than the original algorithm. This version of the patch has incorporated a functional equivalent of the Linus' output limiting algorithm into the merge-order algorithm itself. This operates per the notes associated with Linus' commit 337cb3fb8da45f10fe9a0c3cf571600f55ead2ce. This version has incorporated Linus' feedback regarding proposed changes to rev-list.c. (see: [PATCH] Factor out filtering in rev-list.c) This version has improved the way sort_first_epoch marks commits as uninteresting. For more details about this change, refer to Documentation/git-rev-list.txt and http://blackcubes.dyndns.org/epoch/. Signed-off-by: Jon Seymour <jon.seymour@gmail.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-20[PATCH] delta checkLibravatar Nicolas Pitre1-0/+2
This adds knowledge of delta objects to fsck-cache and various object parsing code. A new switch to git-fsck-cache is provided to display the maximum delta depth found in a repository. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-11Mark the variable declarations in .h files as externLibravatar Petr Baudis1-2/+2
This allows git to be built even with linkers which are not smart enough to join those symbols, and makes this correct C. Pointed out by several people.
2005-04-28[PATCH] Add function to parse an object of unspecified type (take 2)Libravatar Daniel Barkalow1-0/+3
This adds a function that parses an object from the database when we have to look up its actual type. It also checks the hash of the file, due to its heritage as part of fsck-cache. Signed-Off-By: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-18[PATCH] Header files for object parsingLibravatar Daniel Barkalow1-0/+29
This adds the structs and function declarations for parsing git objects. Signed-Off-By: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>