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一，今天在上传代码时出错：
$ git push -u origin master
error: The requested URL returned error: 403 Forbidden while accessing https://github.com/freemao/Genotype-corrector.git/info/refs
fatal: HTTP request failed
解决办法：
$ git remote set-url origin https://freemao:freemao1234@github.com/freemao/Genotype-corrector.git
之前的url是：https://github.com/freemao/Genotype-corrector.git
相当于添加一下用户名和密码
git remote set-url 相当于是修改了配置文件.git/config 中的url
修改过以后，成功提交。
如果url中不添加密码，只添加用户名，可能会报下面错误：
(gnome-ssh-askpass:52175): Gtk-WARNING **: cannot open display:
二，我先修改了一个文件，然后将他重命名，在github上将原来的那个文件给删了。接下来我再push就报错了：
$ git push -u origin master
To https://freemao:freemao1234@github.com/freemao/Genotype-corrector.git
! [rejected] master -> master (non-fast-forward)
error: failed to push some refs to ‘https://freemao:freemao1234@github.com/freemao/Genotype-corrector.git‘
To prevent you from losing history, non-fast-forward updates were rejected
Merge the remote changes before pushing again. See the ‘Note about
fast-forwards‘ section of ‘git push --help‘ for details.
解决办法：
先pull一下：
$ git pull -f --all
Fetching origin
remote: Counting objects: 2, done.
remote: Compressing objects: 100% (1/1), done.
remote: Total 2 (delta 1), reused 2 (delta 1), pack-reused 0
Unpacking objects: 100% (2/2), done.
From https://github.com/freemao/Genotype-corrector
e94b6ee..960d781 master -> origin/master
Merge made by recursive.
再push:
$ git push -u origin master
OK了。
正确的改名字的方法：
先mv
然后 git add newname
git commit
git push
这个时候新文件被push了。但是老文件还在github上
接下来
git rm oldname
git commit
git push 这样就把老名字的文件在github上删除了
by freemao
FAFU
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原文地址：http://www.cnblogs.com/freemao/p/4939253.html
