Merge pull request #123 from paxan/dont-die-when-head-is-detached

Don't panic if your HEAD is detached
This commit is contained in:
Will Farrington 2013-03-05 14:02:33 -08:00
commit 1df99f2bc6

View file

@ -39,10 +39,12 @@ unless ENV["BOXEN_NO_PULL"] || ARGV.include?("--no-pull")
upstream_changes = `git rev-list --count master..origin/master`.chomp != '0'
fast_forwardable = `git rev-list --count origin/master..master`.chomp == '0'
short_branch = current_branch.split('/')[2..-1].join('/')
if !master
warn "Boxen on a non-master branch '#{short_branch}', won't auto-update!"
if current_branch.empty?
ref = `git log -1 --pretty=format:%h`
warn "Boxen not currently on any branch (ref: #{ref}), won't auto-update!"
elsif !master
local_branch = current_branch.split('/')[2..-1].join('/')
warn "Boxen on a non-master branch '#{local_branch}', won't auto-update!"
elsif !fast_forwardable
warn "Boxen's master branch is out of sync, won't auto-update!"
elsif !clean