$ git clone -n https://src.fedoraproject.org/rpms/xdelta.git /var/lib/mock/f33-build-300042-56490/root/chroot_tmpdir/scmroot/xdelta
Cloning into '/var/lib/mock/f33-build-300042-56490/root/chroot_tmpdir/scmroot/xdelta'...
$ git reset --hard 8729fa2bd978c8e2da8799a98f567aa99e71adcc
HEAD is now at 8729fa2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild