git - remote rejected] master -> master (branch is currently checked out)

CentOS 6.6

git-1.7.1

纯命令行建git，第一次提交时候出现错误：

# git push -u origin master
Counting objects: 12, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (9/9), done.
Writing objects: 100% (12/12), 2.85 KiB, done.
Total 12 (delta 0), reused 0 (delta 0)
Unpacking objects: 100% (12/12), done.
remote: error: refusing to update checked out branch: refs/heads/master
remote: error: By default, updating the current branch in a non-bare repository
remote: error: is denied, because it will make the index and work tree inconsistent
remote: error: with what you pushed, and will require 'git reset --hard' to match
remote: error: the work tree to HEAD.
remote: error: 
remote: error: You can set 'receive.denyCurrentBranch' configuration variable to
remote: error: 'ignore' or 'warn' in the remote repository to allow pushing into
remote: error: its current branch; however, this is not recommended unless you
remote: error: arranged to update its work tree to match what you pushed in some
remote: error: other way.
remote: error: 
remote: error: To squelch this message and still keep the default behaviour, set
remote: error: 'receive.denyCurrentBranch' configuration variable to 'refuse'.
To /letv/gitspace/gittest/
 ! [remote rejected] master -> master (branch is currently checked out)
error: failed to push some refs to '/letv/gitspace/gittest/'

查了很多过时的资料，解法应该是在一开始的时候使用：

git --bare init

用git是一码事，从头搭建一次是另一码事。