git diff 文件

git diff 两个 commit 之间的 diff 文件

git diff [--options] <commit> <commit> [--] [<path>...]

这个是 diff 两个 commit 之间的内容, 是 commit 的 ID 号.

查看commit 的 ID 号，可以通过 :

 git log

查看两个 commit 的修改内容

git diff commit-id-1 commit-id-2 

输出到文件里

git diff commit-id-1 commit-id-2 >> diff1.diff