svn diff --summarize -r 2119:head
svn diff --summarize -r 2119:2120
svn info --show-item revision
git diff 456bcb head --name-only
git diff 456bcb 93593a --name-only
git rev-parse HEAD
A:add,新增
C:conflict,冲突
D:delete,删除
M:modify,本地已经修改
G:modify and merGed,本地文件修改并且和服务器的进行合并
U:update,从服务器更新
R:replace,从服务器替换
I:ignored,忽略