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把项目fork下来，加入本地项目，当push到源仓库的时候，出现如下问题：
git -c diff.mnemonicprefix=false -c core.quotepath=false -c credential.helper=sourcetree push -v --tags origin refs/heads/develop:refs/heads/develop
Pushing to http://git.oschina.net/******
POST git-receive-pack (chunked)
error: unable to rewind rpc post data - try increasing http.postBuffer
error: RPC failed; curl 56 Recv failure: Connection reset by peer
fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly
Everything up-to-date
Completed with errors, see above
大概意思是http.postBuffer太小，需要设置更大的值，应该是我们项目中用到的第三方静态库有400多MB大小的单个.a文件。
谷歌查了相关资料，在终端执行
git config --global http.postBuffer 524288000命令，将http.postBuffer设置为500MB大小后，可以正常push操作了。
也可以通过Source Tree
唤起终端运行命令：
git config http.postBuffer 524288000
参考链接：http://www.ifeegoo.com/git-code-management-dot-gitignore-file-has-no-effect-solution.html
http://www.ifeegoo.com/git-rpc-failed-result-equals-56-http-code-equals-0-error-analysis-and-solution.html
http://support.deveo.com/knowledgebase/articles/188200-git-push-over-https-with-large-changesets