Merge branch 'master' into next

* master:
  Fix build procedure for builtin-init-db
  Allow pickaxe and diff-filter options to be used by git log.
  Libify the index refresh logic
  Builtin git-init-db

builtin-log.c

@@ -23,6 +23,13 @@ static int cmd_log_wc(int argc, const char **argv, char **envp,
 	rev->commit_format = CMIT_FMT_DEFAULT;
 	rev->verbose_header = 1;
 	argc = setup_revisions(argc, argv, rev, "HEAD");
+	if (rev->always_show_header) {
+		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)
 		die("unrecognized argument: %s", argv[1]);