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How to move git origin/master

Git is driving me mad. I forked a github repo and added some changes, then realised that I had made my changes on top of some commits after master.

In my local copy of the repo, I reset master back to upstream/master and then cherry picked the changes. Like this:

Git stuff

My change is "Add support for directed advertising mode". As you can see I accidentally did it on top of upstream/scheduling_policy instead of upstream/master.

The problem is when I try and push this, I get this error:

git -c diff.mnemonicprefix=false -c core.quotepath=false push -v --tags --set-upstream origin master:master
Pushing to https://github.com/Timmmm/ble.git
To https://github.com/Timmmm/ble.git
... lots of [up to date]s ...
 = [up to date]      v2.5.2 -> v2.5.2
 = [up to date]      v2.6.0 -> v2.6.0
 = [up to date]      workingOldBootloader -> workingOldBootloader
 ! [rejected]        master -> master (non-fast-forward)

Can someone tell me the totally intuitive command that I need to make it move the origin/master branch to my local master branch?

Solution

  • Ah I think the reason for the cryptic error "non-fast-forward" is that Git is worried that I'll lose the origin/master commit if I move it, since no other branches point to that.

    You can tell Git that you actually want that by using a force push:

    git push -f

    Unfortunately this isn't implemented in SourceTree for reasons that nobody has even tried to explain (it's "dangerous", "always a mistake" and "not what you want").