blame and annotate: show localtime with timezone.

Earlier they showed gmtime and timezone, which was inconsistent
with the way our commits and tags are pretty-printed.

Signed-off-by: Junio C Hamano <junkio@cox.net>

blame.c

@@ -550,13 +550,22 @@ static void get_commit_info(struct commit* commit, struct commit_info* ret)
 	*tmp = 0;
 }
 
-char* format_time(unsigned long time, const char* tz)
+static const char* format_time(unsigned long time, const char* tz_str)
 {
 	static char time_buf[128];
 	time_t t = time;
+	int minutes, tz;
+	struct tm *tm;
 
-	strftime(time_buf, sizeof(time_buf), "%Y-%m-%d %H:%M:%S ", gmtime(&t));
-	strcat(time_buf, tz);
+	tz = atoi(tz_str);
+	minutes = tz < 0 ? -tz : tz;
+	minutes = (minutes / 100)*60 + (minutes % 100);
+	minutes = tz < 0 ? -minutes : minutes;
+	t = time + minutes * 60;
+	tm = gmtime(&t);
+
+	strftime(time_buf, sizeof(time_buf), "%Y-%m-%d %H:%M:%S ", tm);
+	strcat(time_buf, tz_str);
 	return time_buf;
 }
 

git-annotate.perl

@@ -418,7 +418,13 @@ sub format_date {
 		return $_[0];
 	}
 	my ($timestamp, $timezone) = split(' ', $_[0]);
-	return strftime("%Y-%m-%d %H:%M:%S " . $timezone, gmtime($timestamp));
+	my $minutes = abs($timezone);
+	$minutes = int($minutes / 100) * 60 + ($minutes % 100);
+	if ($timezone < 0) {
+	    $minutes = -$minutes;
+	}
+	my $t = $timestamp + $minutes * 60;
+	return strftime("%Y-%m-%d %H:%M:%S " . $timezone, gmtime($t));
 }
 
 # Copied from git-send-email.perl - We need a Git.pm module..