Merge branch 'jc/diff-I-status-fix'

"git diff -I<pattern> -exit-code" should exit with 0 status when
all the changes match the ignored pattern, but it didn't.

* jc/diff-I-status-fix:
  diff: correct interaction between --exit-code and -I<pattern>

1 files changed, 2 insertions, 1 deletions

diff --git a/diff.c b/diff.c
index 643f4f3f6d..2253ec8802 100644
--- a/diff.c
+++ b/diff.c
@@ -4634,7 +4634,8 @@ void diff_setup_done(struct diff_options *options)
 	 * inside contents.
 	 */
 
-	if ((options->xdl_opts & XDF_WHITESPACE_FLAGS))
+	if ((options->xdl_opts & XDF_WHITESPACE_FLAGS) ||
+	    options->ignore_regex_nr)
 		options->flags.diff_from_contents = 1;
 	else
 		options->flags.diff_from_contents = 0;