ndbroadbent/scm_breeze — pull request #83 by grota (2013-03-12 21:38:23+00:00)
Title: Conditional git branch aliases

I have the following in my `~/.git.smbrc`
```
#git_branch_move_alias="gbm"
git_branch_delete_alias="gbd"
#git_branch_delete_force_alias="gbD"
```
So I would like to avoid calling alias if the respective variable is not defined