thodg/libgit2

Diff

  • Show log

    Commit

  • Hash : 294c6f29
    Author : Carlos Martín Nieto
    Date : 2014-08-16T22:12:13

    http: make sure we can consume the data we request The recv buffer (parse_buffer) and the buffer have independent sizes and offsets. We try to fill in parse_buffer as much as possible before passing it to the http parser. This is fine most of the time, but fails us when the buffer is almost full. In those situations, parse_buffer can have more data than we would be able to put into the buffer (which may be getting full if we're towards the end of a data sideband packet). To work around this, we check if the space we have left on our buffer is smaller than what could come from the network. If this happens, we make parse_buffer think that it has as much space left as our buffer, so it won't try to retrieve more data than we can deal with. As the start of the data may no longer be at the start of the buffer, we need to keep track of where it really starts (data_offset) and use that in our calculations for the real size of the data we received from the network. This fixes #2518.

  • README.md

  • libgit2 - the Git linkable library

    Build Status Coverity Scan Build Status

    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.

    libgit2 is licensed under a very permissive license (GPLv2 with a special Linking Exception). This basically means that you can link it (unmodified) with any kind of software without having to release its source code. Additionally, the example code has been released to the public domain (see the separate license for more information).

    What It Can Do

    libgit2 is already very usable and is being used in production for many applications including the GitHub.com site, in Plastic SCM and also powering Microsoft’s Visual Studio tools for Git. The library provides:

    • SHA conversions, formatting and shortening
    • abstracted ODB backend system
    • commit, tag, tree and blob parsing, editing, and write-back
    • tree traversal
    • revision walking
    • index file (staging area) manipulation
    • reference management (including packed references)
    • config file management
    • high level repository management
    • thread safety and reentrancy
    • descriptive and detailed error messages
    • …and more (over 175 different API calls)

    Optional dependencies

    While the library provides git functionality without the need for dependencies, it can make use of a few libraries to add to it:

    • pthreads (non-Windows) to enable threadsafe access as well as multi-threaded pack generation
    • OpenSSL (non-Windows) to talk over HTTPS and provide the SHA-1 functions
    • LibSSH2 to enable the ssh transport
    • iconv (OSX) to handle the HFS+ path encoding peculiarities

    Building libgit2 - Using CMake

    libgit2 builds cleanly on most platforms without any external dependencies. Under Unix-like systems, like Linux, *BSD and Mac OS X, libgit2 expects pthreads to be available; they should be installed by default on all systems. Under Windows, libgit2 uses the native Windows API for threading.

    The libgit2 library is built using CMake (version 2.6 or newer) 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.

    The following CMake variables are declared:

    • BIN_INSTALL_DIR: Where to install binaries to.
    • LIB_INSTALL_DIR: Where to install libraries to.
    • INCLUDE_INSTALL_DIR: Where to install headers to.
    • BUILD_SHARED_LIBS: Build libgit2 as a Shared Library (defaults to ON)
    • BUILD_CLAR: Build Clar-based test suite (defaults to ON)
    • THREADSAFE: Build libgit2 with threading support (defaults to OFF)
    • STDCALL: Build libgit2 as stdcall. Turn off for cdecl (Windows; defaults to ON)

    Compiler and linker options

    CMake lets you specify a few variables to control the behavior of the compiler and linker. These flags are rarely used but can be useful for 64-bit to 32-bit cross-compilation.

    • CMAKE_C_FLAGS: Set your own compiler flags
    • CMAKE_FIND_ROOT_PATH: Override the search path for libraries
    • ZLIB_LIBRARY, OPENSSL_SSL_LIBRARY AND OPENSSL_CRYPTO_LIBRARY: Tell CMake where to find those specific libraries

    MacOS X

    If you want to build a universal binary for Mac OS X, CMake sets it all up for you if you use -DCMAKE_OSX_ARCHITECTURES="i386;x86_64" when configuring.

    Windows

    You need to run the CMake commands from the Visual Studio command prompt, not the regular or Windows SDK one. Select the right generator for your version with the -G "Visual Studio X" option. See [the wiki] (https://github.com/libgit2/libgit2/wiki/Building-libgit2-on-Windows) for more detailed instructions. Android ------- Extract toolchain from NDK using,make-standalone-toolchain.shscript. Optionally, crosscompile and install OpenSSL inside of it. Then create CMake toolchain file that configures paths to your crosscompiler (substitute{PATH}with full path to the toolchain): SET(CMAKE_SYSTEM_NAME Linux) SET(CMAKE_SYSTEM_VERSION Android) SET(CMAKE_C_COMPILER {PATH}/bin/arm-linux-androideabi-gcc) SET(CMAKE_CXX_COMPILER {PATH}/bin/arm-linux-androideabi-g++) SET(CMAKE_FIND_ROOT_PATH {PATH}/sysroot/) SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) Add-DCMAKE_TOOLCHAIN_FILE={pathToToolchainFile} -DANDROID=1to cmake command when configuring. Language Bindings ================================== Here are the bindings to libgit2 that are currently available: * C++ * libqgit2, Qt bindings <https://projects.kde.org/projects/playground/libs/libqgit2/> * Chicken Scheme * chicken-git <https://wiki.call-cc.org/egg/git> * D * dlibgit <https://github.com/AndrejMitrovic/dlibgit> * Delphi * GitForDelphi <https://github.com/libgit2/GitForDelphi> * Erlang * Geef <https://github.com/carlosmn/geef> * Go * git2go <https://github.com/libgit2/git2go> * GObject * libgit2-glib <https://live.gnome.org/Libgit2-glib> * Haskell * hgit2 <https://github.com/fpco/gitlib> * Java * Jagged <https://github.com/ethomson/jagged> * Lua * luagit2 <https://github.com/libgit2/luagit2> * .NET * libgit2sharp <https://github.com/libgit2/libgit2sharp> * Node.js * node-gitteh <https://github.com/libgit2/node-gitteh> * nodegit <https://github.com/tbranyen/nodegit> * Objective-C * objective-git <https://github.com/libgit2/objective-git> * OCaml * libgit2-ocaml <https://github.com/burdges/libgit2-ocaml> * Parrot Virtual Machine * parrot-libgit2 <https://github.com/letolabs/parrot-libgit2> * Perl * Git-Raw <https://github.com/jacquesg/p5-Git-Raw> * PHP * php-git <https://github.com/libgit2/php-git> * PowerShell * GitPowerShell <https://github.com/ethomson/gitpowershell> * Python * pygit2 <https://github.com/libgit2/pygit2> * R * git2r <https://github.com/ropensci/git2r> * Ruby * Rugged <https://github.com/libgit2/rugged> * Vala * libgit2.vapi <https://github.com/apmasell/vapis/blob/master/libgit2.vapi> If you start another language binding to libgit2, please let us know so we can add it to the list. How Can I Contribute? ================================== Check the [contribution guidelines](CONTRIBUTING.md) to understand our workflow, the libgit2 [coding conventions](CONVENTIONS.md), and out list of [good starting projects](PROJECTS.md). License ==================================libgit2` is under GPL2 with linking exemption. This means you can link to and use the library from any program, proprietary or open source; paid or gratis. However, you cannot modify libgit2 and distribute it without supplying the source. See the COPYING file for the full license text.

kmx.io     mail     discord kmxgit v0.4.0