$ git clone -n https://src.fedoraproject.org/rpms/lcms2.git /var/lib/mock/f45-build-15683-478/root/chroot_tmpdir/scmroot/lcms2
Cloning into '/var/lib/mock/f45-build-15683-478/root/chroot_tmpdir/scmroot/lcms2'...
$ git fetch origin c0f033adc3aa403736a7d6f9cf2f371fc3803883:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lcms2
 * [new ref]         c0f033adc3aa403736a7d6f9cf2f371fc3803883 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0f033a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild