William Richard a14d9cb6ea Look for branches that are literally the word main ...

I have a repo with many other branches that contain the string `main`,
but our default branch is still master.  This grep was seeing those other branches
and deciding that my default branch was `main`.  This tighter regex
fixes that behavior for me.

2021-10-22 11:19:21 -04:00

..

available

Look for branches that are literally the word main

2021-10-22 11:19:21 -04:00