git-show-ref(1) on Linux
The text 1a6ad2bf3a34, as Debian 8 (Jessie) shipped it.
List references in a local repository
Flags it lists
-
--abbrev -
--dereference -
--exclude-existing -
--hash -
--head -
--heads -
--quiet -
--tags -
--verify -
-d -
-q -
-s