Allow specifying --dirstat cut-off percentage as a floating point number

Only the first digit after the decimal point is kept, as the dirstat
calculations all happen in permille.

Selftests verifying floating-point percentage input has been added.

Improved-by: Junio C Hamano <gitster@pobox.com>
Improved-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/diff.h b/diff.h
index 6fe1597785..90f491e9e7 100644
--- a/diff.h
+++ b/diff.h
@@ -114,7 +114,7 @@ struct diff_options {
 	int needed_rename_limit;
 	int degraded_cc_to_c;
 	int show_rename_progress;
-	int dirstat_percent;
+	int dirstat_permille;
 	int setup;
 	int abbrev;
 	const char *prefix;