创建仓库

git init 本地仓库,包含.git目录和工作目录
[wyq@localhost blog.git]$ git init
重新初始化现存的 Git 版本库于 /home/wyq/workspace/blog.git/.git/
[wyq@localhost blog.git]$ ls -a
.  ..  .git

创建裸仓库

git init --bare 裸仓库,只有.git目录下的内容.
[wyq@localhost blog.git]$ git init --bare
初始化空的 Git 版本库于 /home/wyq/workspace/blog.git/
[wyq@localhost blog.git]$ ls -a
.   branches  description  hooks  objects
..  config    HEAD         info   refs
适合作为服务器仓库.

相互转换

git clone --bare 从仓库导出bare仓库
git clone 从bare仓库导出仓库
 
如果服务仓库以git init仓健,当用户向它提交代码时,会出现
Writing objects: 100% (3/3), 236 bytes | 0 bytes/s, done.
Total 3 (delta 0), reused 0 (delta 0)
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 /home/wyq/workspace/blog.git
 ! [remote rejected] master -> master (branch is currently checked out)
解决办法是使用git clone --bare 克隆出.git内容作为服务器仓库.