Git checkout old commit, and further make new commits

Question

FYI: I am using bitbucket to push my git to (I know not very important).

I was working on a project, wherein I made changes, and pushed to origin master, only to realise that master had some major bug, hence I checked out to a specific old commit, in the same master branch by using

git checkout commit_name

After that I started working further and kept adding and committing, now I am lost how to keep the following new commits, as well as not lose earlier (buggy) master. Basically how to get back on track.

P.S. I tried using git push -u origin master , but it returns Everything up-to-date, and nothing gets pushed to bitbucket.

How about `force push` ? `git push -force -u origin master` ? — Vinay Veluri, Sep 07 '16 at 13:28
@VinayVeluri I assume this will not overwrite any commits, right? — Piyush Mahensaria, Sep 07 '16 at 13:30
@VinayVeluri still does not work, I tried `git push --force -u origin master`, gives same output. — Piyush Mahensaria, Sep 07 '16 at 13:35

score 2 · Accepted Answer · answered Sep 07 '16 at 13:50

I guess you are on detached head. When you did git checkout commit_name, you updated your local repository to checkout the code of commit_name but you are not on any branch. You are in freestyle way and can only do limited action. You need to go back on your master branch.

git checkout -b branch_tmp to move to the new created branch branch_tmp
git rebase master to apply your last commits on top of master
git checkout master
git merge branch_tmp to update your master branch with commits done previously and present on branch_tmp
git push origin master
git branch -d branch_tmp to clean your repository

In any step, I advice you to have a look to log history to understand different action performed.

You could find more information about detached head there

Git checkout old commit, and further make new commits

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