This checksum is the SHA-1 hash over the index file (except the
last 20 bytes which are the checksum itself). In cases where the
index does not exist on-disk, it will be zeroed out.
@param index an existing index object
@return a pointer to the checksum of the index
Get the checksum of the index
This checksum is the SHA-1 hash over the index file (except the last 20 bytes which are the checksum itself). In cases where the index does not exist on-disk, it will be zeroed out.
@param index an existing index object @return a pointer to the checksum of the index