SYNOPSIS
--------
-'git-symbolic-ref' [-q] <name> [<ref>]
+'git-symbolic-ref' [-q] [-m <reason>] <name> [<ref>]
DESCRIPTION
-----------
symbolic ref but a detached HEAD; instead exit with
non-zero status silently.
+-m::
+ Update the reflog for <name> with <reason>. This is valid only
+ when creating or updating a symbolic ref.
+
NOTES
-----
In the past, `.git/HEAD` was a symbolic link pointing at