darcs-fast-export: do not create invalid git tags
commitb51492c5af266a59c66c642edb68739563c29c74
authorKyle J. McKay <mackyle@gmail.com>
Fri, 7 Mar 2014 21:10:54 +0000 (7 13:10 -0800)
committerKyle J. McKay <mackyle@gmail.com>
Fri, 7 Mar 2014 21:10:54 +0000 (7 13:10 -0800)
tree331c7c625133b407795d8360bcc0ac77490989a4
parent6aeee8d5a4900f886cae9590a8b613bcbf62a9e5
darcs-fast-export: do not create invalid git tags

Add a new sanitize_ref function to cope with the various rules
that Git requires tag names to obey.
darcs-fast-export