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Home/ Questions/Q 8979
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Alek Richter
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Alek RichterEnlightened
Asked: January 11, 20222022-01-11T10:43:04+00:00 2022-01-11T10:43:04+00:00

How do I fix a Git detached head?

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I was doing some work in my repository and noticed a file had local changes. I didn’t want them anymore so I deleted the file, thinking I can just checkout a fresh copy. I wanted to do the Git equivalent of

svn up .

Using git pull didn’t seem to work. Some random searching led me to a site where someone recommended doing

git checkout HEAD^ src/

(src is the directory containing the deleted file).

Now I find out I have a detached head. I have no idea what that is. How can I undo?

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  1. Alek Richter Enlightened
    2022-01-11T10:43:26+00:00Added an answer on January 11, 2022 at 10:43 am

    Detached head means you are no longer on a branch, you have checked out a single commit in the history (in this case the commit previous to HEAD, i.e. HEAD^).
    If you want to delete your changes associated with the detached HEAD

    You only need to checkout the branch you were on, e.g.

    git checkout master

    Next time you have changed a file and want to restore it to the state it is in the index, don’t delete the file first, just do

    git checkout — path/to/foo

    This will restore the file foo to the state it is in the index.
    If you want to keep your changes associated with the detached HEAD

    Run git branch tmp – this will save your changes in a new branch called tmp.
    Run git checkout master
    If you would like to incorporate the changes you made into master, run git merge tmp from the master branch. You should be on the master branch after running git checkout master.

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