thodg/libgit2

Log

Author Commit Date CI Message
Vicent Marti f49a2e49 2010-09-19T03:21:06 Give object structures more descriptive names The 'git_obj' structure is now called 'git_rawobj', since it represents a raw object read from the ODB. The 'git_repository_object' structure is now called 'git_object', since it's the base object class for all objects. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti a7a7ddbe 2010-09-18T19:16:04 Add generic methods for object writeback git_repository_object has now several internal methods to write back the object information in the repository. - git_repository__dbo_prepare_write() Prepares the DBO object to be modified - git_repository__dbo_write() Writes new bytes to the DBO object - git_repository__dbo_writeback() Writes back the changes to the repository Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 46f8566a 2010-09-12T23:43:21 Add methods to access internal attributes in git_repo Added several methods to access: - The ODB behind a repo - The SHA1 id behind a generic repo object - The type of a generic repo object Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 370ce569 2010-08-14T20:35:10 Fix: do not export custom types in the extern API Some compilers give linking problems when exporting 'uint32_t' as a return type in the external API. Use generic types instead. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 9c9f4fc1 2010-08-12T23:40:54 Add support for manually freeing repo objects A new method 'git_repository_object_free' allows to manually force the freeing of a repository object, even though they are still automatically managed by the repository and don't need to be freed by the user. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti f2408cc2 2010-08-12T19:59:32 Fix object handling in git_repository All loaded objects through git_repository_lookup are properly parsed & free'd on failure. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 003c2690 2010-08-12T18:45:31 Finish the tree object API The interface for loading and parsing tree objects from a repository has been completed with all the required accesor methods for attributes, support for manipulating individual tree entries and a new unit test t0901-readtree which tries to load and parse a tree object from a repository. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti ff17642d 2010-07-19T15:35:52 Add unit tests for index manipulation Three new unit tests, t06XX files have been added. t0601-read: tests for loading index files from disk, for creating in-memory indexes and for accessing index entries. t0602-write: tests for writing index files back to disk t0603-sort: tests for properly sorting the entries array of an index Two test indexes have been added in 'tests/resources/': test/resources/index: a sample index from a libgit2 repository test/resources/gitgit.index: a sample index from a git.git repository (includes TREE extension data) Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 1baa25ee 2010-07-20T23:56:18 Move test resources to a common directory All the external resources used by the tests are now placed inside the common 'tests/resources' directory. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 68535125 2010-07-09T20:19:56 Add support for git index files The new 'git_index' structure is an in-memory representation of a git index on disk; the 'git_index_entry' structures represent each one of the file entries on the index. The following calls for index instantiation have been added: git_index_alloc(): instantiate a new index structure git_index_free(): free an existing index git_index_clear(): clear all the entires in an existing file The following calls for index reading and writing have been added: git_index_read(): update the contents of the index structure from its file on disk. Internally implemented through: git_index__parse() Index files are stored on disk in network byte order; all integer fields inside them are properly converted to the machine's byte order when loading them in memory. The parsing engine also distinguishes between normal index entries and extended entries with 2 extra bytes of flags. The 'TREE' extension for index entries is also loaded into memory: Tree caches stored in Index files are loaded into the 'git_index_tree' structure pointed by the 'tree' pointer inside 'git_index'. 'index->tree' points to the root node of the tree cache; the full tree can be traversed through each of the node's 'tree->children'. Index files can be written back to disk through: git_index_write(): atomic writing of existing index objects backed by internal method git_index__write() The following calls for entry manipulation have been added: git_index_add(): insert an empty entry to the index git_index_find(): search an entry by its path name git_index__append(): appends a new index entry to the end of the list, resizing the entries array if required New index entries are always inserted at the end of the array; since the index entries must be sorted for it to be internally consistent, the index object is only sorted once, and if required, before accessing the whole entriea array (e.g. before writing to disk, before traversing, etc). git_index__remove_pos(): remove an index entry in a specific position git_index__sort(): sort the entries in the array by path name The entries array is sorted stably and in place using an insertion sort, which ought to be the most efficient approach since the entries array is always mostly-sorted. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti bd0a51c0 2010-07-09T20:17:00 Add support for atomic file locking The struct 'git_filelock' represents an atomically-locked file, git-style. Locked files can be modified atomically through the new file lock interface: int git_filelock_init(git_filelock *lock, const char *path); int git_filelock_lock(git_filelock *lock, int append); void git_filelock_unlock(git_filelock *lock); int git_filelock_commit(git_filelock *lock); int git_filelock_write(git_filelock *lock, const char *buffer, size_t length); Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 0e465f97 2010-08-12T18:47:32 Add auxiliary method git__hexdump New function in util.c to do a dump of a buffer's contents in hexadecimal to stdout. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 3315782c 2010-08-08T14:12:17 Redesigned the walking/object lookup interface The old 'git_revpool' object has been removed and split into two distinct objects with separate functionality, in order to have separate methods for object management and object walking. * A new object 'git_repository' does the high-level management of a repository's objects (commits, trees, tags, etc) on top of a 'git_odb'. Eventually, it will also manage other repository attributes (e.g. tag resolution, references, etc). See: src/git/repository.h * A new external method 'git_repository_lookup(repo, oid, type)' has been added to the 'git_repository' API. All object lookups (git_XXX_lookup()) are now wrappers to this method, and duplicated code has been removed. The method does automatic type checking and returns a generic 'git_revpool_object' that can be cast to any specific object. See: src/git/repository.h * The external methods for object parsing of repository objects (git_XXX_parse()) have been removed. Loading objects from the repository is now managed through the 'lookup' functions. These objects are loaded with minimal information, and the relevant parsing is done automatically when the user requests any of the parsed attributes through accessor methods. An attribute has been added to 'git_repository' in order to force the parsing of all the repository objects immediately after lookup. See: src/git/commit.h See: src/git/tag.h See: src/git/tree.h * The previous walking functionality of the revpool is now found in 'git_revwalk', which does the actual revision walking on a repository; the attributes when walking through commits in a database have been decoupled from the actual commit objects. This increases performance when accessing commits during the walk and allows to have several 'git_revwalk' instances working at the same time on top of the same repository, without having to load commits in memory several times. See: src/git/revwalk.h * The old 'git_revpool_table' has been renamed to 'git_hashtable' and now works as a generic hashtable with support for any kind of object and custom hash functions. See: src/hashtable.h * All the relevant unit tests have been updated, renamed and grouped accordingly. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti f8758044 2010-08-07T01:02:20 Add loading and parsing of tag objects Tag objects are now properly loaded from the revision pool. New test t0801 checks for loading a parsing a series of tags, including the tag of a tag. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 364788e1 2010-08-07T00:59:58 Refactor parsing methods The 'parse_oid' and 'parse_person' methods which were used by the commit parser are now global so they can be used when parsing other objects. The 'git_commit_person' struct has been changed to a generic 'git_person'. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 7e4f56a5 2010-08-06T18:37:59 Add packfile reading Packed objects inside packfiles are now properly unpacked when calling the git_odb__read_packed() method; delta'ed objects are also properly generated when needed. A new unit test 0204-readpack tries to read a couple hundred packed objects from a standard packed repository. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti d8603ed9 2010-07-10T16:51:15 Add parsing of tree file contents. The basic information (pointed trees and blobs) of each tree object in a revision pool can now be parsed and queried. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 3e590fb2 2010-07-07T19:24:08 Changed test files to use tabs instead of spaces Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 52f2390b 2010-07-07T14:56:05 Add external API to access detailed commit attributes The following new external methods have been added: GIT_EXTERN(const char *) git_commit_message_short(git_commit *commit); GIT_EXTERN(const char *) git_commit_message(git_commit *commit); GIT_EXTERN(time_t) git_commit_time(git_commit *commit); GIT_EXTERN(const git_commit_person *) git_commit_committer(git_commit *commit); GIT_EXTERN(const git_commit_person *) git_commit_author(git_commit *commit); GIT_EXTERN(const git_tree *) git_commit_tree(git_commit *commit); A new structure, git_commit_person has been added to represent a commit's author or committer. The parsing of a commit has been split in two phases. When adding a commit to the revision pool: - the commit's ODB object is opened - its raw contents are parsed for commit TIME, PARENTS and TREE (the minimal amount of data required to traverse the pool) - the commit's ODB object is closed When querying for extended information on a commit: - the commit's ODB object is reopened - its raw contents are parsed for the requested information - the commit's ODB object remains open to handle additional queries New unit tests have been added for the new functionality: In t0401-parse: parse_person_test In t0402-details: query_details_test Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 225fe215 2010-06-18T13:06:34 Add support for tree objects in revision pools Commits now store pointers to their tree objects. Tree objects now work as separate git_revpool_object entities. Tree objects can be loaded and parsed inedependently from commits. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 40721f6b 2010-07-10T11:50:16 Changed revpool's object table to support arbitrary objects git_revpool_object now has a type identifier for each object type in a revpool (commits, trees, blobs, etc). Trees can now be stored in the revision pool. git_revpool_tableit now supports filtering objects by their type when iterating through the object table. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti b231ef3a 2010-06-12T03:08:52 Add new tests: t0502-table, t0503-tableit "t0502-table" tests for basic functionality of the objects table: table_create (creating a new object table) table_populate (fill & lookup on the object table) table_resize (dynamically resize the table) "t0503-tableit" tests the iterator for object tables: table_iterator (make sure the iterator reaches all objects) Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 088a731f 2010-06-09T14:54:22 Fixed memory leaks in test suite Created commit objects in t0401-parse weren't being freed properly. Updated the API documentation to note that commit objects are owned by the revision pool and should not be freed manually. The parents list of each commit was being freed twice after each test. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 58b0cbea 2010-07-10T12:14:30 Actually free all commits when freeing a commit pool Previously the objects table was being freed, but not the actuall commits. All git_commit objects are freed and hence invalidated when freeing the git_rp object they belong to. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Vicent Marti 3cd8b687 2010-07-10T12:08:04 Fix warning in util.h (signed vs unsigned comparison) This fix had been delayed by Ramsay because on 32-bit systems it highlights the fact that off_t is set to an invalid value. Signed-off-by: Vicent Marti <tanoku@gmail.com>
Ramsay Jones ca3939e6 2010-06-03T22:28:30 msvc: Disable a level 4 warning and change -W3 to -W4 Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 0aaf8708 2010-06-07T19:33:36 Makefile(s): Add -Wextra to CFLAGS Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 4386ee2a 2010-06-05T21:09:03 Add a 'git__' prefix to the block-sha1 functions This reduces the global namespace pollution. These functions were the only remaining external symbols (with the exception of an PPC_SHA1 build) which did not start with 'git', and since these are private library symbols the 'git__' prefix is appropriate. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones d03f5675 2010-06-04T18:20:31 Remove the sha1.h header file and inline the content into hash.c Given that the sha1.h header file should never be included into any other file, since it represents an implementation detail of hash.c, we remove the header and inline it's content. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones bc874e11 2010-05-13T20:53:58 msvc: Select the "fast" definition of the {get,put}_be32() macros On Intel machines, the msvc compiler defines the CPU architecture macros _M_IX86 and _M_X64 (equivalent to __i386__ and __x86_64__ respectively). Use these macros in the pre-processor expression to select the "fast" definition of the {get,put}_be32() macros. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones e0452999 2010-05-13T20:51:49 Makefile: Add a target to generate C preprocessor output files Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 552e23ba 2010-06-02T19:16:28 Fix a bug in the git_oid_to_string() function When git_oid_to_string() was passed a buffer size larger than GIT_OID_HEXSZ+1, the function placed the c-string NUL char at the wrong position. Fix the code to place the NUL at the end of the (possibly truncated) oid string. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones f2924934 2010-06-01T19:41:55 Style: Do not use (C99) // comments Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones b2bc567f 2010-06-01T19:40:58 Style: Fix brace placement and spacing Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 702bd705 2010-06-01T19:39:24 Fix a memory leak shown by valgrind Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 28f98329 2010-06-01T19:37:10 Fix inconsistent definition of off_t on Linux In order to avoid inconsistent definitions of type off_t, all compilation units should include the "common.h" header file before certain system headers (those which directly or indirectly lead to the definition of off_t). The "common.h" header contains the definition of _FILE_OFFSET_BITS to select 64-bit file offsets. The symptom of this inconsistency, while compiling with -Wextra, is the following warning: In file included from src/common.h:50, from src/commit.c:28: src/util.h: In function git__is_sizet: src/util.h:41: warning: comparison between signed and unsigned In order to fix the problem, we simply remove the #include <time.h> statement at the head of src/commit.c. Note that src/commit.h also includes <time.h>. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones c1b62b2e 2010-06-01T19:35:49 Fix a "dereference of type-punned pointer" compiler warning gcc (4.4.0) issues the following warning: src/revobject.c:33: warning: dereferencing type-punned pointer \ will break strict-aliasing rules We suppress the warning by copying the first 4 bytes from the oid structure into an 'unsigned int' using memcpy(). This will also fix any potential alignment issues on certain platforms. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 6e0fa05b 2010-06-01T19:34:48 Fix a doxygen warning In particular, doxygen issues the following warning: .../src/git/revwalk.h:86: Warning: The following parameters of \ gitrp_sorting(git_revpool *pool, unsigned int sort_mode) are \ not documented: parameter 'pool' Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 84b9cec7 2010-06-01T19:33:57 Fix sparse warnings: "symbol not declared. Should it be static?" In particular, sparse issues the following warnings: src/revobject.c:29:14: warning: symbol 'max_load_factor' was \ not declared. Should it be static? src/revobject.c:31:14: warning: symbol 'git_revpool_table__hash' was \ not declared. Should it be static? In order to suppress these warnings, we simply declare them as static, since they are not (currently) referenced outside of this file. In the case of max_load_factor, this is probably correct. However, this may not be appropriate for git_revpool_table__hash(), given how it is named. So, this should either be re-named to reflect it's non-external status, or a declaration needs to be added to the revobject.h header file. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones ee1765e5 2010-06-01T19:32:41 Fix sparse warnings: "Using plain integer as NULL pointer" In order to suppress this warning, we could simply replace the constant 0 with NULL. However, in this case, replacing the comparison with 0 by !buffer is more idiomatic. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 468b12ad 2010-06-01T19:31:26 msvc: tests/t0403-lists.c: Fix a compiler warning For more recent versions of msvc, the time_t type, as returned by the time() function, is a 64-bit type. The srand() function, however, expects an 'unsigned int' input parameter, leading to the warning. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 4e0d6d86 2010-06-01T19:30:29 msvc: Fix an "conversion, loss of data" compiler warning In particular, the compiler issues the following warning: src/revwalk.c(61) : warning C4244: '=' : conversion from \ 'unsigned int' to 'unsigned char', possible loss of data In order to suppress the warning, we change the type of the sorting "enum" field of the git_revpool structure to be consistent with the sort_mode parameter of the gitrp_sorting() function. Note that if the size of the git_revpool structure is an issue, then we could change the type of the sort_mode parameter instead. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 5440906f 2010-06-01T19:29:15 msvc: Fix some compiler warnings In particular, the compiler issues the following warnings: src/revobject.c(29) : warning C4305: 'initializing' : truncation \ from 'double' to 'const float' src/revobject.c(56) : warning C4244: '=' : conversion from \ 'const float' to 'unsigned int', possible loss of data src/revobject.c(149) : warning C4244: '=' : conversion from \ 'const float' to 'unsigned int', possible loss of data In order to suppress the warnings we change the type of max_load_factor to double, rather than change the initialiser to 0.65f, and cast the result type of the expressions to 'unsigned int' as expected by the assignment operators. Note that double should be able to represent all unsigned int values without loss. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 8a7d625f 2010-06-01T19:28:04 Fix some "signed/unsigned comparison" compilation warnings These warnings are issued by both gcc (-Wextra) and msvc (-W3). Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 5b7487be 2010-06-01T19:26:42 Fix a memory corruption runtime error On the msvc build, the tests t0401-parse and t0501-walk both crash with a runtime error (ACCESS_VIOLATION). This is caused by writing to un-allocated memory due to an under-allocation of a git_revpool_table data structure. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 331578fb 2010-06-01T19:25:28 msvc: Fix a "declaration after statement" compilation error Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti de141d4b 2010-05-28T02:02:02 Improved error handling on auxilirary functions. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti c2550609 2010-05-28T01:50:59 Use the first 4 bytes of an OID as hash, instead of full hashing. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 6bb7aa13 2010-05-28T01:48:59 Added new error codes. Improved error handling. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 0daa6cdc 2010-05-28T00:50:03 Removed trailing whitespace. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 9b3577ed 2010-05-28T00:23:43 Fixed brace placement and converted spaces to tabs. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 0cf02ff9 2010-05-26T21:23:01 Added t0501-walk (simple test for all revision pool walking modes) Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 1d1be8ee 2010-05-26T01:42:18 Fixed topological commit sorting (no longerd reversed) and commit time sorting ('prev' pointers in the linked list are no longer lost). Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 1f798df2 2010-05-25T22:59:50 Fixed topological sorting stuck in infinite loop. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 69dca959 2010-05-25T22:30:09 Fixed parsing commit times (they weren't being stored at all!) Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 82b1db3b 2010-05-25T22:00:55 Changed commit time sorting to be descending (from newest to oldest). Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti e5d1faef 2010-05-25T19:48:13 Add external API for revision sorting. The GIT_RPSORT_XXX flags have been moved to the external API, and a new method 'gitrp_sorting(...)' has been added to safely change the sorting method of a revision pool. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 9bdb7594 2010-05-23T17:12:28 Properly reset all commit properties when doing a gitrp_reset(). Add git_revpool_table_free() method. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 655d381a 2010-05-23T16:51:31 Add topological sorting and new insertion methods for commit lists. 'git_commit_list_toposort()' and 'git_commit_list_timesort()' now sort a commit list by topological and time order respectively. Both sorts are stable and in place. 'git_commit_list_append' has been replaced by 'git_commit_list_push_back' and 'git_commit_list_push_front'. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 47c31f58 2010-05-23T16:28:32 Fixed linked list tail being lost when sorting. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti a7c182c5 2010-05-23T04:41:31 Add object cache to the revision pool. Fixed issue when generating pending commits list during iteration. The 'git_commit_lookup' function will now check the pool's cache for commits which have been previously loaded/parsed; there can only be a single 'git_commit' structure for each commit on the same pool. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti d047b47a 2010-05-23T04:41:07 Updated t0401 (commit parsing) to reflect the new API changes. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 089c2d93 2010-05-23T04:39:33 Add unit tests for list sorting. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti b60488e1 2010-05-23T04:37:39 Added sort method for commit lists. Fixed bug when parsing time headers from commits. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 5e15176d 2010-05-23T02:39:57 Add commit caching on the commit table. Properly initialize the pending commits list. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti c5696427 2010-05-22T23:21:10 Add 'git_revpool_object' and 'git_revpool_table' structures. All the objects which will will be eventually transversable from a revision pool (commits, trees, etc) now inherit from the 'git_revpool_object' structure which identifies them with their own OID. Furthermore, the 'git_revpool_table' and related functions have been added, which allow for constant time lookup (hash table) of the loaded revpool objects based on their OID. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 36b7cdb6 2010-05-22T18:15:42 Changed 'git_commit_list' from a linked list to a doubly-linked list. Changed 'git_commit' to use bit fields instead of flags. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 89039682 2010-05-22T14:36:36 Removed 'git_commit_uninteresting' from the public API. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 1a895dd7 2010-05-22T14:32:59 Add arbritrary ordering revision walking. The 'gitrp_next()' method now correctly does a revision walking of all the pushed revisions in arbritary ordering. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 8add0153 2010-05-21T02:35:40 Split git_commit_lookup into separate functions. git_commit_lookup() now creates commit references without loading them from the ODB. git_commit_parse() creates a commit reference, loads it and parses it from the ODB. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 08d5d000 2010-05-18T20:55:19 Add commit parents to parsed commits and commit lists to the revpool. Basic support for iterating the revpool. The following functions of the revwalk API have been partially implemented: void gitrp_reset(git_revpool *pool); void gitrp_push(git_revpool *pool, git_commit *commit); void gitrp_prepare_walk(git_revpool *pool); git_commit *gitrp_next(git_revpool *pool); Parsed commits' parents are now also parsed and stored in a "git_commit_list" structure (linked list). Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 42281e00 2010-05-16T01:52:31 Add unit tests for Commit parsing A few initial tests for commit parsing: "parse_buffer_test" tests git_commit__parse_buffer() with several malformed commit messages and a few corner cases which should pass. "parse_oid_test" tests git_commit__parse_oid() with several malformed commit lines containing broken SHA1 OIDs. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 4caa8962 2010-05-14T18:57:50 Fixed indentation issues in commit.c Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 417f0abc 2010-05-14T18:44:49 Add basic functionality for commit lookup/parsing The external API function "git_commit_parse" has been renamed to "git_commit_lookup" and has been partially implemented with support for loading commits straight from the ODB. It still lacks the functionality to lookup cached commits in the revpool and to resolve tags to commits. The following internal functions have been partially implemented: int git_commit__parse_buffer(...); int git_commit__parse_time(...); int git_commit__parse_oid(...); Commits are now fully parsed but the generated parent and tree references are not handled yet. Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Vicent Marti 1bb11859 2010-05-06T21:35:18 Fixed typos in the revwalk API documentation Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 38c513b9 2010-04-28T19:07:14 Add support to enable the library to use OpenSSL SHA1 functions Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 89217d8f 2010-04-28T20:20:00 Add functions to open a '*.pack' file and perform some basic validation Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 3cc60635 2010-03-05T19:06:28 Add some more (macro) file operation wrappers Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 54b9460f 2010-04-07T20:13:56 Fix the memory leak caused by failing to free the 'offset index' Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 19d13c65 2010-04-27T17:00:30 Makefile(s): Don't include the OpenSSL crypto library in the link Also, fully purge the NO_OPENSSL build variable. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones f019bd17 2010-04-27T16:36:52 Makefile: 'make clean' wipe all editor backup files in src/*/ In a similar way to commit 9b17380 ("Make 'make clean' wipe all object files in src/*/", 2010-04-14), we use a shell glob when removing editor backup files. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 44debd80 2010-04-27T16:13:57 Makefile: Add source for the built-in SHA1 routines to $(SRC_C) This results in the 'sparse' and 'coverage' targets including the C source files for the built-in SHA1 routines. In addition to the sparse check, this results in the generation of the '.gcov' file and inclusion in the test coverage report. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 70aab459 2010-04-26T22:04:10 win32: Remove wsock32 from the list of libraries to link Commit 5dddf7c (Add block-sha1 in favour of the mozilla routines 2010-04-14) introduced the "bswap.h" header file which, for x86 or x86-64 machines, provides a "sane" implementation of ntohl() and htonl(). The wsock32 library, on the msvc and MinGW build, is only included in the link to supply the ntohl()/htonl() routines. Since we now have a built-in implementation, we can remove the wsock32 library from the link. [This will break a Windows build on a non-intel machine] Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones e272b103 2010-04-26T20:10:44 MSVC: Fix some compiler warnings In particular, using the normal (or production) compiler warning level (-W3), msvc complains as follows: .../sha1.c(244) : warning C4018: '<' : signed/unsigned mismatch .../sha1.c(270) : warning C4244: 'function' : conversion from \ 'unsigned __int64' to 'unsigned long', possible loss of data .../sha1.c(271) : warning C4244: 'function' : conversion from \ 'unsigned __int64' to 'unsigned long', possible loss of data Note that gcc issues a similar complaint about line 244 when compiling with -Wextra. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones e2337f39 2010-04-25T21:55:41 MSVC: Fix a syntax error caused by an inline function definition Commit 5dddf7c (Add block-sha1 in favour of the mozilla routines 2010-04-14) introduced the "bswap.h" header file which contains an inline function (default_swab32()). The msvc compiler does not support the inline keyword which causes the build to fail with a syntax error. However, msvc does support inline functions using the __inline keyword language extension. We already have the GIT_INLINE() macro that allows us to hide this syntatic difference. In order to fix the build, we simply use GIT_INLINE() in the definition of the default_swab32() function. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Andreas Ericsson fb799dfe 2010-04-23T09:59:22 Merge remote branch 'ramsay/dev' * ramsay/dev: Add a pack index 'virtual function' to fetch an index entry Add a pack index 'virtual function' to search by file offset Change the interface of the pack index search function Add an 64-bit offset table index bounds check for v2 pack index Add a minimum size check when opening an v2 pack index file win32: Add separate MinGW and MSVC compatability header files Makefile: Add support for custom build options in config.mak file Fix some coding style issues
Andreas Ericsson 10074651 2009-04-08T09:56:07 Correct Adam Simpkins' name Signed-off-by: Andreas Ericsson <ae@op5.se>
Andreas Ericsson 5dddf7c8 2010-04-14T20:41:57 Add block-sha1 in favour of the mozilla routines Since block-sha1 from git.git has such excellent performance, we can also get rid of the openssl dependency. It's rather simple to add it back later as an optional extra, but we really needn't bother to pull in the entire ssl library and have to deal with linking issues now that we have the portable and, performance-wise, truly excellent block-sha1 code to fall back on. Since this requires a slight revamp of the build rules anyway, we take the opportunity to fix including EXTRA_OBJS in the final build as well. The block-sha1 code was originally implemented for git.git by Linus Torvalds <torvalds@linux-foundation.org> and was later polished by Nicolas Pitre <nico@cam.org>. Signed-off-by: Andreas Ericsson <ae@op5.se>
Andreas Ericsson d15e94c0 2010-04-14T20:23:36 Add assembly sha1 implementation for ppc We don't use it yet, but now we have it there at least. All the non-trivial parts of it appears to have been written and contributed to git.git by some anonymous genius. The original implementation was done by Paul Mackerras <paulus@samba.org>. Signed-off-by: Andreas Ericsson <ae@op5.se>
Andreas Ericsson a7335c51 2010-04-14T19:40:10 Add generic buildrule for assembly files Signed-off-by: Andreas Ericsson <ae@op5.se>
Andreas Ericsson 9b173803 2010-04-14T19:38:38 Make 'make clean' wipe all object files in src/*/ Instead of naming the subdirectories explicitly (which will result in us forgetting about one sooner or later), we change the shell glob pattern to wipe all object files from all subdirectories under src/. Signed-off-by: Andreas Ericsson <ae@op5.se>
Ramsay Jones 2cdc4544 2010-02-26T22:53:10 Add a pack index 'virtual function' to fetch an index entry Given an index entry number, the idx_get() function returns an (version agnostic) index_entry structure containing all of the information required to unpack the corresponding object from the '.pack' file. Since the v1 and v2 file formats differ in the layout of the object records, we provide two implementations of the get function and initialise the function pointer appropriately. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 608d33fa 2010-02-26T19:59:06 Add a pack index 'virtual function' to search by file offset In addition to searching the index by oid, we need to search by '.pack' file offset, particularly when processing OBJ_OFS_DELTA objects. Since the v1 and v2 file formats differ in the layout of the object records, we provide two implementations of the search function and initialise the (virtual) function pointer appropriately. Note that, as part of the creation of the 'offset index', we also add a check that the offset data in the index is within the bounds of the '.pack' file. Having sorted the file offsets, while creating the index, we only need to check the smallest and largest values. The offset index consists of the im_off_idx array, which contains the index entry numbers sorted into file offset order, and the im_off_next mapping array. The im_off_next array maps an index entry number to the 'next' index entry in file offset order. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones abf5681c 2010-02-26T19:29:54 Change the interface of the pack index search function In particular, on a successful search, we now return the index entry number of the object rather than the '.pack' file offset. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 238e54bc 2010-02-21T15:34:53 Add an 64-bit offset table index bounds check for v2 pack index Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 255a0dab 2010-02-19T22:36:31 Add a minimum size check when opening an v2 pack index file Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones e8cc449f 2010-02-19T21:49:22 win32: Add separate MinGW and MSVC compatability header files Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 56931d1a 2010-02-19T20:07:03 Makefile: Add support for custom build options in config.mak file Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 1e5dd572 2010-02-12T16:50:33 Fix some coding style issues Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Ramsay Jones 74eff33f 2010-02-01T10:39:10 Makefile: Add support for building with MSVC Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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