Message 'src refspec master does not match any' when pushing commits in Git

Question

I clone my repository with:

git clone ssh://xxxxx/xx.git 

But after I change some files and add and commit them,

Answer 1

I faced the same problem, and I used --allow-empty:

$ git commit -m "initial commit" --allow-empty
...
$ git push
...

Supplement

One of main reasons of this problem is that some Git servers, such as BitBucket, don't have their master branch initialized when a fresh repository is cloned.