Rename remote branch

I have created a local branch X that at some point I pushed to remote server (origin)

git push origin X

I realized it's a bad idea to have branch named X and want it to be called Y The problem is that I've already pushed the branch to the repository.

Is it safe to delete it from the server and push it under a new name like this ?

push origin :X

// 'clone ' the branch under a new name locally ( X-> Y)

push origin Y

What will happen to the people that already fetched from the server. Say that they already made a branch locally based on the old X name BUT they did not make any changes locally or pushed them to the server for the old X branch.

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other people will keep a pointer to branch X (as origin/X ) in their repository until they run git remote prune origin . it's left as a stale branch

when fetching/pulling they will get a second point to (newly created) branch Y (as origin/Y )

branching and merging is not affected by this.

so, as long as all commits are still reachable from your branch, renaming is fine.

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If others have pulled the branch to their local repositories it is not safe to delete it. One route to consider is deleting all the files from the old branch. Leave a README pointing to the new branch.

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