unpack_failed 768 unpack-trees.c return unpack_failed(o, NULL); unpack_failed 1106 unpack-trees.c ret = unpack_failed(o, "Merge requires file-level merging"); unpack_failed 1157 unpack-trees.c ret = unpack_failed(o, "Sparse checkout leaves no entry on working directory"); unpack_failed 1187 unpack-trees.c ret = unpack_failed(o, NULL);