discover/grub2: Allow to separate the --id argument using a space char
[petitboot] /
2019-03-05 Samuel Include leading 'v' from git describe
2016-04-05 Samuel Fix in-tree case and allow external variables
2014-08-05 Jeremy Don't use dashes in version numbers
2014-07-22 Jeremy Ensure we're using petitboot's git directory
2014-07-16 Jeremy Use git tags in versions
2014-07-16 Jeremy Unify version generation
2014-07-16 Jeff Baileyautotools: Make petitboot autoreconfable