$ git clone -n https://src.fedoraproject.org/rpms/xtb.git /var/lib/mock/f41-build-854642-166916/root/chroot_tmpdir/scmroot/xtb
Cloning into '/var/lib/mock/f41-build-854642-166916/root/chroot_tmpdir/scmroot/xtb'...
$ git fetch origin 4efedc6e90e317a4cbc34d3dc4302566ccf42ce5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xtb
 * [new ref]         4efedc6e90e317a4cbc34d3dc4302566ccf42ce5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4efedc6 Add BRs on new dependencs and switch off the new CPCM-X dependency since CPCM-X is not yet packaged in Fedora