Commit e3acd37b70dc6d8f1ff256b99a26b4e0f13701ef

Patrick Steinhardt 2015-11-06T12:08:15

branch: implement `git_branch_is_checked_out` Implement a new function that is able to determine if a branch is checked out in any repository connected to the current repository. In particular, this is required to check if for a given repository and branch, there exists any working tree connected to that repository that is referencing this branch.