git更新单个文件

如下所示：只想更新目录下的数据库信息database.info这个文件

ls
database.info flume.conf 

第一步：git fetch

git fetch
remote: Enumerating objects: 440, done.
remote: Counting objects: 100% (440/440), done.
remote: Compressing objects: 100% (223/223), done.
remote: Total 440 (delta 200), reused 384 (delta 156)
Receiving objects: 100% (440/440), 80.25 KiB | 5.35 MiB/s, done.
Resolving deltas: 100% (200/200), completed with 5 local objects.
From git.nevint.com:sas/data-platform
   176333c..a97f30c  master        -> origin/master
 * [new branch]      yf_dev        -> origin/yf_dev

第二步：git checkout origin/master 文件名

git checkout origin/master database.info
Updated 1 path from c01c477