问题:

I see:

$ git pull origin master
From https://bitbucket.org/tecgenome/chl-v2.0-html
 * branch            master     -> FETCH_HEAD
fatal: refusing to merge unrelated histories

How can I avoid or get past that error message?

回答1:

Since Git 2.9 (April 2016), you can try:

git pull --allow-unrelated-histories origin master

But check why those branches are no longer common though.
May be there was a force push rewritting all the history of origin/master.

In which case, if you don't have local commits of your own, it is best to reset your branch to the new one:

git fetch
git reset --hard origin/master

回答2:

I did meet the same issue, and try the command it gets work.

git merge abbranch --allow-unrelated-histories

here we assume that abbranch is unrelated to current branch. Above command merge abbranch to current branch.

回答3:

if you are facing push Recjected or this issue in android studio you just open your project enable version control integration

and Move to project from android. right click on package --> go to Git --> Add

now come on downside click on terminal and follow given below step

 git remote add origin <repository url>

    git clone <repository url>
    git pull origin master --allow-unrelated-histories
    git merge origin origin/master
    ... add and commit here...
    git push origin master