Merge branch 'rs/describe-unique-abbrev'

Code clean-up. * rs/describe-unique-abbrev: describe: use strbuf_add_unique_abbrev() for adding short hashes

Junio C Hamano committed Feb 13, 2018 at 13:39 UTC 8fe806bcd5ac621e22982c73306e94d26e56cf79

No changes.