Port tests from PR 1683

This ports over some of the tests from
    https://github.com/libgit2/libgit2/pull/1683
by @yorah and @ethomson

1 files changed, 13 insertions, 0 deletions

diff --git a/include/git2/sys/filter.h b/include/git2/sys/filter.h
index 36e97fe91..9a6720a3e 100644
--- a/include/git2/sys/filter.h
+++ b/include/git2/sys/filter.h
@@ -60,6 +60,19 @@ GIT_EXTERN(int) git_filter_list_push(
 	git_filter_list *fl, git_filter *filter, void *payload);
 
 /**
+ * Look up how many filters are in the list
+ *
+ * We will attempt to apply all of these filters to any data passed in,
+ * but note that the filter apply action still has the option of skipping
+ * data that is passed in (for example, the CRLF filter will skip data
+ * that appears to be binary).
+ *
+ * @param fl A filter list
+ * @return The number of filters in the list
+ */
+GIT_EXTERN(size_t) git_filter_list_length(const git_filter_list *fl);
+
+/**
  * A filter source represents a file/blob to be processed
  */
 typedef struct git_filter_source git_filter_source;