git-blame --incremental: don't use pager

Starting a pager defeats the purpose of the incremental output
mode.  This changes git-blame to only paginate if --incremental
was not given.

git -p blame --incremental still starts the pager, though.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <junkio@cox.net>

builtin-blame.c

@@ -1780,6 +1780,9 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 			argv[unk++] = arg;
 	}
 
+	if (!incremental)
+		setup_pager();
+
 	if (!blame_move_score)
 		blame_move_score = BLAME_DEFAULT_MOVE_SCORE;
 	if (!blame_copy_score)

git.c

@@ -217,7 +217,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
 		{ "annotate", cmd_annotate, USE_PAGER },
 		{ "apply", cmd_apply },
 		{ "archive", cmd_archive },
-		{ "blame", cmd_blame, RUN_SETUP | USE_PAGER },
+		{ "blame", cmd_blame, RUN_SETUP },
 		{ "branch", cmd_branch, RUN_SETUP },
 		{ "cat-file", cmd_cat_file, RUN_SETUP },
 		{ "checkout-index", cmd_checkout_index, RUN_SETUP },