此命令将获取Git父提交哈希：

git log -n 2 <commit-hash>

之后，gitdiff工具<commithash><parentcommithash>

例子：

bonnie@bonnie ~/ $ git log -n 2 7f65b9a9d3820525766fcba285b3c678e889fe3

commit 7f65b9a9d3820525766fcba285b3c678e889fe3b
Author: souparno <souparno.majumder@gmail.com>
Date:   Mon Jul 25 13:17:07 2016 +0530

CSS changed to maintain the aspect ratio of the channel logos and to fit them properly.

commit c3a61f17e14e2b80cf64b172a45f1b4826ee291f
Author: souparno <souparno.majumder@gmail.com>
Date:   Mon Jul 25 11:28:09 2016 +0530

The ratio of the height to width of the channel images are maintained.

在此之后

git difftool 7f65b9a9d3820525766fcba285b3c678e889fe3b c3a61f17e14e2b80cf64b172a45f1b4826ee291f

我通常会：

git diff HEAD~1

显示有关上次提交的更改。如果您有更多的提交，只需将数字1增加到您希望看到的提交差异。

我在windows 10上运行的是Git 2.6.1.windows.1版本，所以我需要对Nevik的答案稍作修改（用波浪号代替插入符号）：

git diff COMMIT~ COMMIT

另一个选项是引用插入符号：

git diff "COMMIT^" COMMIT

从git diff（1）的手册页：

git diff [options] [<commit>] [--] [<path>…]
git diff [options] --cached [<commit>] [--] [<path>…]
git diff [options] <commit> <commit> [--] [<path>…]
git diff [options] <blob> <blob>
git diff [options] [--no-index] [--] <path> <path>

使用中间的第三个：

git diff [options] <parent-commit> <commit>

同样从同一手册页底部的示例部分：

$ git diff HEAD^ HEAD      <3>

比较上次提交和上次提交之前的版本。

诚然，它的措辞有点混乱，但也不会那么混乱

将最近的提交与之前的提交进行比较。

如果在图形视图中检查源更改，请使用：

gitk (your commit id goes here)

例如：

gitk HEAD~1 

您也可以尝试以下简单方法：

git show <COMMIT>