git-notify: Drop the $sent_notices variable

Now that we don't ignore empty commits anymore, there's no need to keep
track of the number of commits actually notified about, as that will
always be equal to the number of commits returned by get_new_commits().

tools/git-notify

@@ -47,9 +47,6 @@ my $cia_address = "cia\@cia.navi.cx";
 # debug mode
 my $debug = 0;
 
-# number of generated (non-CIA) notifications
-my $sent_notices = 0;
-
 # configuration parameters
 
 # base URL of the gitweb repository browser (can be set with the -u option)
@@ -393,7 +390,6 @@ sub send_ref_notice($$@)
 
     mail_notification($commitlist_address, "$refname $reftype $action",
         "text/plain; charset=us-ascii", @notice);
-    $sent_notices++;
 }
 
 # send a commit notice to a mailing list
@@ -467,7 +463,6 @@ sub send_commit_notice($$)
     $subject .= ": " . truncate_str(${$info{"log"}}[0],50);
     $_ = decode($info{"encoding"}, $_) for @notice;
     mail_notification($commitlist_address, $subject, "text/plain; charset=UTF-8", @notice);
-    $sent_notices++;
 }
 
 # send a commit notice to the CIA server
@@ -538,7 +533,6 @@ sub send_global_notice($$$)
     }
 
     mail_notification($commitlist_address, "New commits on branch $ref", "text/plain; charset=UTF-8", @$notice);
-    $sent_notices++;
 }
 
 # send all the notices
@@ -583,7 +577,7 @@ sub send_all_notices($$$)
         {
             send_global_notice( $refname, $old_sha1, $new_sha1 ) if $commitlist_address;
         }
-        else
+        elsif (@$commits > 0)
         {
             foreach my $commit (@$commits)
             {
@@ -591,7 +585,7 @@ sub send_all_notices($$$)
                 send_cia_notice( $refname, $commit ) if $cia_project_name;
             }
         }
-        if ($sent_notices == 0 and $commitlist_address)
+        elsif ($commitlist_address)
         {
             @notice = ( "Old SHA1: $old_sha1", "New SHA1: $new_sha1" );
             send_ref_notice( $ref, "modified", @notice );