A symbolic ref name. E.g. 'master' typically means the commit
object referenced by 'refs/heads/master'. If you
happen to have both 'heads/master' and 'tags/master', you can
- explicitly say 'heads/master' to tell git which one you mean.
+ explicitly say 'heads/master' to tell Git which one you mean.
When ambiguous, a '<refname>' is disambiguated by taking the
first match in the following rules: