git svn: find-rev allows short switches for near matches

Allow -B and -A to act as short aliases for --before and --after
options respectively.  This reduces typing and hopefully allows
reuse of muscle memory for grep(1) users.

Signed-off-by: Eric Wong <normalperson@yhbt.net>

Documentation/git-svn.txt

@@ -386,11 +386,13 @@ Any other arguments are passed directly to 'git log'
 	tree-ish to specify which branch should be searched).  When given a
 	tree-ish, returns the corresponding SVN revision number.
 +
+-B;;
 --before;;
 	Don't require an exact match if given an SVN revision, instead find
 	the commit corresponding to the state of the SVN repository (on the
 	current branch) at the specified revision.
 +
+-A;;
 --after;;
 	Don't require an exact match if given an SVN revision; if there is
 	not an exact match return the closest match searching forward in the

git-svn.perl

@@ -260,8 +260,8 @@ my %cmd = (
 			} ],
 	'find-rev' => [ \&cmd_find_rev,
 	                "Translate between SVN revision numbers and tree-ish",
-			{ 'before' => \$_before,
-			  'after' => \$_after } ],
+			{ 'B|before' => \$_before,
+			  'A|after' => \$_after } ],
 	'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory",
 			{ 'merge|m|M' => \$_merge,
 			  'verbose|v' => \$_verbose,