Add support for git_blob_is_binary (#625)

This adds IsBinary() func to Blob struct, which simply returns the result of git_blob_is_binary function.
Refs: https://libgit2.org/libgit2/#HEAD/group/blob/git_blob_is_binary
Issue: Add support for git_blob_is_binary #426

Fixes: #426 

1 files changed, 6 insertions, 0 deletions

diff --git a/blob.go b/blob.go
index d895449..e8296bb 100644
--- a/blob.go
+++ b/blob.go
@@ -40,6 +40,12 @@ func (v *Blob) Contents() []byte {
 	return goBytes
 }
 
+func (v *Blob) IsBinary() bool {
+	ret := C.git_blob_is_binary(v.cast_ptr) == 1
+	runtime.KeepAlive(v)
+	return ret
+}
+
 func (repo *Repository) CreateBlobFromBuffer(data []byte) (*Oid, error) {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()