how do you change the parent branch in git?

Here is my current git graph:

main __c1__c2__c3__c4__c5
           |
 branchA   |__c1__c2__c3__c4
                  |
          branchB |__c1__c2__c3__C4

main __c1__c2__c3__c4__c5
           |
 branchA   |__c1__c2__c3__c4
                  |
          branchB |__c1__c2__c3__C4

I mistakenly though I was branching out of the last commit on main. but I instead branched out of branchA. I don't wanna go through removing the branchA changes from every single file on branchB. Is there a way to "rebase" the branchB - c1 on main - c2 without doing it the hard way?

15 Replies

Unknown User•2y ago

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venegoOP•2y ago

execute my noobish question. it worked(in a scary way) thank you I've lost the commit in the second argument. I just realized that after deleting the bkp

Unknown User•2y ago

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venegoOP•2y ago

yes c1 in branchB

Unknown User•2y ago

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venegoOP•2y ago

I guess I'll try to restore the filesystem somehow. I didn't even use trash, I deleted right away

venegoOP•2y ago

this says it should've worked

Unknown User•2y ago

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venegoOP•2y ago

no worries it's a small feature. thank god I do atomic commits.

venegoOP•2y ago

yh I just read it here.

venegoOP•2y ago

thanks though for your time I'm not sure but I think the commit could be just dereferenced. is there a way to list all un referenced commits?

Unknown User•2y ago

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venegoOP•2y ago

I already did. but it's a detached head. how do I reference it back from the common commit. I was able to diff and it turns out that I've changed a lot in that commit 😆

venegoOP•2y ago

oh they just told me how to do so.

venegoOP•2y ago

fixed

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how do you change the parent branch in git?