git revert dcad129d8be57218f1751cda475dd3df6298f79e -m 1
Example merge commit
commit dcad129d8be57218f1751cda475dd3df6298f79e
Merge: 8989ee0 7c6b236
Author: Ben James <[email protected]>
Date: Wed Aug 17 22:49:41 2011 +0100
-m specify which parent to revert to. Typically it is the first one. Check with git log to make sure