$ git clone -n https://src.fedoraproject.org/rpms/libcuefile.git /var/lib/mock/f41-build-side-1-2751706-31120/root/chroot_tmpdir/scmroot/libcuefile
Cloning into '/var/lib/mock/f41-build-side-1-2751706-31120/root/chroot_tmpdir/scmroot/libcuefile'...
$ git fetch origin 31a4a686344900fff25acc1dde8f986342a4dba1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcuefile
 * [new ref]         31a4a686344900fff25acc1dde8f986342a4dba1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31a4a68 Bison/Flex sources are missing upstream, only used for one binary in libmpcdec/musepack-tools: https://bugzilla.redhat.com/show_bug.cgi?id=2190295