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  • Hash : 9282e921
    Author : nulltoken
    Date : 2010-12-27T20:34:19

    Merge nulltoken's reference parsing code All the commits have been squashed into a single one before refactoring the final code, to keep everything tidy. Individual commit messages are as follows: Added repository reference looking up functionality placeholder. Added basic reference database definition and caching infrastructure. Removed useless constant. Added GIT_EINVALIDREFNAME error and description. Added missing description for GIT_EBAREINDEX. Added GIT_EREFCORRUPTED error and description. Added GIT_ETOONESTEDSYMREF error and description. Added resolving of direct and symbolic references. Prepared the packed-refs parsing. Added parsing of the packed-refs file content. When no loose reference has been found, the full content of the packed-refs file is parsed. All of the new (i.e. not previously parsed as a loose reference) references are eagerly stored in the cached references storage. The method packed_reference_file__parse() is in deer need of some refactoring. :-) Extracted to a method the parsing of the peeled target of a tag. Extracted to a method the parsing of a standard packed ref. Fixed leaky removal of the cached references. Ensured that a previously parsed packed reference isn't returned if a more up-to-date loose reference exists. Enhanced documentation of git_repository_reference_lookup(). Moved some refs related constants from repository.c to refs.h. Made parsing of a packed tag reference more robust. Updated git_repository_reference_lookup() documentation. Added some references to the test repository. Added some tests covering tag references looking up. Added some tests covering symbolic and head references looking up. Added some tests covering packed references looking up.

  • README.md

  • libgit2 - the Git linkable library

    libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language with bindings.

    What It Can Do

    libgit2 is already very usable.

    • raw <-> hex SHA conversions
    • raw object reading (loose and packed)
    • raw object writing (loose)
    • revlist walker
    • commit, tag and tree object parsing and write-back
    • tree traversal
    • basic index file (staging area) operations

    Building libgit2 - External dependencies

    The following libraries are required to manually build the libgit2 library:

    When building in Windows using MSVC, make sure you compile ZLib using the MSVC solution that ships in its source distribution. Alternatively, you may download precompiled binaries from: http://www.winimage.com/zLibDll/

    libgit2 can be built using the SHA1 implementation of LibSSL-Crypto, instead of the built-in custom implementations. Performance wise, they are quite similar.

    Building libgit2 - Using waf

    Waf is a minimalist build system which only requires a Python 2.5+ interpreter to run. This is the default build system for libgit2.

    To build libgit2 using waf, first configure the build system by running:

    $ ./waf configure

    Then build the library, either in its shared (libgit2.so) or static form (libgit2.a):

    $ ./waf build-static
    $ ./waf build-shared

    You can then run the full test suite with:

    $ ./waf test

    And finally you can install the library with (you may need to sudo):

    $ sudo ./waf install

    The waf build system for libgit2 accepts the following flags:

    --debug
        build the library with debug symbols.
        Defaults to off.
    
    --sha1=[builtin|ppc|openssl]
        use the builtin SHA1 functions, the optimized PPC versions
        or the SHA1 functions from LibCrypto (OpenSSL).
        Defaults to 'builtin'.
    
    --msvc=[7.1|8.0|9.0|10.0]
        Force a specific version of the MSVC compiler, if more than
        one version is installed.
    
    --arch=[ia64|x64|x86|x86_amd64|x86_ia64]
        Force a specific architecture for compilers that support it.

    You can run ./waf --help to see a full list of install options and targets.

    Building libgit2 - Using CMake

    The libgit2 library can also be built using CMake 2.6+ (http://www.cmake.org) on all platforms.

    On most systems you can build the library using the following commands

    $ mkdir build && cd build
    $ cmake ..
    $ cmake --build .

    Alternatively you can point the CMake GUI tool to the CMakeLists.txt file and generate platform specific build project or IDE workspace.

    To install the library you can specify the install prefix by setting:

    $ cmake .. -DCMAKE_INSTALL_PREFIX=/install/prefix
    $ cmake --build . --target install

    For more advanced use or questions about CMake please read http://www.cmake.org/Wiki/CMake_FAQ.

    Language Bindings

    Here are the bindings to libgit2 that are currently available:

    If you start another language binding to libgit2, please let us know so we can add it to the list.

    How Can I Contribute

    Fork libgit2/libgit2 on GitHub, add your improvement, push it to a branch in your fork named for the topic, send a pull request.

    You can also file bugs or feature requests under the libgit2 project on GitHub, or join us on the mailing list by sending an email to:

    libgit2@librelist.com

    License

    libgit2 is under GPL2 with linking exemption. This means you can link to the library with any program, commercial, open source or other. However, you cannot modify libgit2 and distribute it without supplying the source.

    See the COPYING file for the full license text.