``` cd mesos/apache-repo/ $ git show-ref --abbrev=7 --tags|egrep '1.0.1|1.0.4'|grep -v rc ``` ``` 3611eb0 refs/tags/1.0.1 4154f66 refs/tags/1.0.4 ``` ``` git diff 3611eb0..4154f66 src/java ```