使用git加管道操作

[root@btg ext4]# git status

# On branch master

# Changed but not updated:

#   (use "git add ..." to update what will be committed)

#   (use "git checkout -- ..." to discard changes in working directory)

#

#        modified:   fs/ext4/acl.h

#

# Untracked files:

[root@btg ext4]# git commit -am "fuck"

[master 4786fcc] fuck

 1 files changed, 0 insertions(+), 3 deletions(-)

[root@btg ext4]# git status

# On branch master

# Your branch is ahead of 'origin/master' by 1 commit.

#

[root@btg ext4]# git format-patch -s -1

0001-fuck.patch

[root@btg ext4]# git log|grep commit|head -n2|tail -n1|awk -F " " '{ print $2 }'|xargs git reset --hard 

HEAD is now at 275d3ba ext4: remove loop around bio_alloc()

[root@btg ext4]# git status

# On branch master