[git]显示单个文件变更日志

$ git log -p fabfile.py
commit fd792030bc0ac1db0f1f97ec701a2fd8bcb26a07
Author: username <email>
Date:   Sun Jun 23 15:36:58 2013 +0800

    commit title

diff --git a/fabfile.py b/fabfile.py
index 4ed36fa..1408118 100644
--- a/fabfile.py
+++ b/fabfile.py
@@ -9,28 +9,29 @@ from fabric.api import settings

 @task
 def make_html():
-    """生成 html 文件"""
-    local('pelican content -o output -s pelicanconf.py')
+    """generate the web site"""
+    with settings(warn_only=True):
+        local('pelican content -o output -s pelicanconf.py -D')

$ git log fabfile.py
commit fd792030bc0ac1db0f1f97ec701a2fd8bcb26a07
Author: username <email>
Date:   Sun Jun 23 15:36:58 2013 +0800

    commit title


$ git log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit fabfile.py
* fd79203 - commit title (8 weeks ago) <username>
* 7642a05 - commit title (10 weeks ago) <username>
* d04ba24 - commit title (10 weeks ago) <username>