Rollback a Git merge

git

develop branch
--> dashboard (working branch)

I use git merge --no-ff develop to merge any upstream changes into dashboard

git log:

commit 88113a64a21bf8a51409ee2a1321442fd08db705
Merge: 981bc20 888a557
Author: XXXX <>
Date:   Mon Jul 30 08:16:46 2012 -0500

    Merge branch 'develop' into dashboard

commit 888a5572428a372f15a52106b8d74ff910493f01
Author: root <[email protected]>
Date:   Sun Jul 29 10:49:21 2012 -0500

    fixed end date edit display to have leading 0

commit 167ad941726c876349bfa445873bdcd475eb8cd8
Author: XXXX <>
Date:   Sun Jul 29 09:13:24 2012 -0500

The merge had about 50+ commits in it, and I am wondering how to just revert the merge so dashboard goes back to the state pre-merge

The second part of this is, if I dont do merge with --no-ff, I don't get the commit 'Merge branch 'develop' into dashboard' .. How would I roll that merge back?

Reverting a merge commit has been exhaustively covered in other questions. When you do a fast-forward merge, the second one you describe, you can use git reset to get back to the previous state:

git reset --hard <commit_before_merge>

You can find the <commit_before_merge> with git reflog, git log, or, if you're feeling the moxy (and haven't done anything else): git reset --hard HEAD@{1}

From here:

http://www.christianengvall.se/undo-pushed-merge-git/

git revert -m 1 <merge commit hash>

Git revert adds a new commit that rolls back the specified commit.

Using -m 1 tells git that this is a merge and we want to roll back to the parent commit on the master branch. You would use -m 2 to specify the develop branch.

Rollback a Git merge

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