DIFF_FORMAT_RAW is not default anymore

diff_setup() used to initialize output_format to DIFF_FORMAT_RAW.  Now
the default is 0 (no output) so don't compare against DIFF_FORMAT_RAW to
see if any diff format command line flags were given.

Signed-off-by: Timo Hirvonen <tihirvon@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

builtin-log.c

@@ -24,11 +24,8 @@ static int cmd_log_wc(int argc, const char **argv, char **envp,
 	rev->verbose_header = 1;
 	argc = setup_revisions(argc, argv, rev, "HEAD");
 	if (rev->always_show_header) {
-		if (rev->diffopt.pickaxe || rev->diffopt.filter) {
+		if (rev->diffopt.pickaxe || rev->diffopt.filter)
 			rev->always_show_header = 0;
-			if (rev->diffopt.output_format == DIFF_FORMAT_RAW)
-				rev->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT;
-		}
 	}
 
 	if (argc > 1)

revision.c

@@ -851,8 +851,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 	}
 	if (revs->combine_merges) {
 		revs->ignore_merges = 0;
-		if (revs->dense_combined_merges &&
-		    (revs->diffopt.output_format != DIFF_FORMAT_DIFFSTAT))
+		if (revs->dense_combined_merges && !revs->diffopt.output_format)
 			revs->diffopt.output_format = DIFF_FORMAT_PATCH;
 	}
 	revs->diffopt.abbrev = revs->abbrev;