how to undo git submodule update

git undo git-submodules
Tom Fishman picture Tom Fishman · Oct 10, 2011 · Viewed 10.5k times · Source

I accidentally checked in a wrong submodule update: ( as part of a bigger commit )

-Subproject commit 025ffc
+Subproject commit f59250

It is already pushed to the remote..

How do I undo this update?

Answer

Aasmund Eldhuset picture Aasmund Eldhuset · Oct 11, 2011

Run git checkout 025ffc in the submodule directory and then git add SubmoduleName; git commit -m 'Some message' in the main directory.

(Remember that checking out a commit through its hash leaves you in "detached HEAD state", meaning that you're not on any branch. So if there already is a branch pointing to 025ffc in the submodule repository, you should check out that branch; otherwise, you'll probably want to create a branch there and check it out.)

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