SYNOPSIS
--------
+[verse]
'git update-ref' [-m <reason>] (-d <ref> [<oldvalue>] | [--no-deref] <ref> <newvalue> [<oldvalue>])
DESCRIPTION
Where "oldsha1" is the 40 character hexadecimal value previously
stored in <ref>, "newsha1" is the 40 character hexadecimal value of
<newvalue> and "committer" is the committer's name, email address
-and date in the standard GIT committer ident format.
+and date in the standard Git committer ident format.
Optionally with -m:
unable to create a new log file, append to the existing log file
or does not have committer information available.
-Author
-------
-Written by Linus Torvalds <torvalds@osdl.org>.
-
GIT
---
Part of the linkgit:git[1] suite