Merge branch 'new-error-handling' into development

Conflicts:
	.travis.yml
	include/git2/diff.h
	src/config_file.c
	src/diff.c
	src/diff_output.c
	src/mwindow.c
	src/path.c
	tests-clar/clar_helpers.c
	tests-clar/object/tree/frompath.c
	tests/t00-core.c
	tests/t03-objwrite.c
	tests/t08-tag.c
	tests/t10-refs.c
	tests/t12-repo.c
	tests/t18-status.c
	tests/test_helpers.c
	tests/test_main.c

1 files changed, 22 insertions, 0 deletions

diff --git a/include/git2/revwalk.h b/include/git2/revwalk.h
index e7ec2abf3..632c67588 100644
--- a/include/git2/revwalk.h
+++ b/include/git2/revwalk.h
@@ -164,6 +164,28 @@ GIT_EXTERN(int) git_revwalk_hide_glob(git_revwalk *walk, const char *glob);
 GIT_EXTERN(int) git_revwalk_hide_head(git_revwalk *walk);
 
 /**
+ * Push the OID pointed to by a reference
+ *
+ * The reference must point to a commit.
+ *
+ * @param walk the walker being used for the traversal
+ * @param refname the referece to push
+ * @return GIT_SUCCESS or an error code
+ */
+GIT_EXTERN(int) git_revwalk_push_ref(git_revwalk *walk, const char *refname);
+
+/**
+ * Hide the OID pointed to by a reference
+ *
+ * The reference must point to a commit.
+ *
+ * @param walk the walker being used for the traversal
+ * @param refname the referece to hide
+ * @return GIT_SUCCESS or an error code
+ */
+GIT_EXTERN(int) git_revwalk_hide_ref(git_revwalk *walk, const char *refname);
+
+/**
  * Get the next commit from the revision walk.
  *
  * The initial call to this method is *not* blocking when