Method _hash_header

src/commoncode/hash.py:170–173

(self)

            self.update(msg)

    def _hash_header(self):
        # note: bytes interpolation is new in Python 3.5
        git_blob_header = b"blob %d\0" % (self.total_length)
        self.binh.update(msg=git_blob_header)

    def update(self, msg=None):
        """