Manage multiple Git identities

Current version

karn requires the following formula to be installed:
go 1.10 Open source programming language to build simple/reliable/efficient software

Recent formula history

commitay karn: remove dep build-time dependency (#23678)
commitay karn 0.0.4
ilovezfs Use “squiggly” heredocs.
Mike McQuaid Use hash rockets again. (#5177)
Mike McQuaid Use Ruby 1.9+ symbol hash keys in all formulae. (#4942)

Formula code at GitHub