$ git clone -n https://src.fedoraproject.org/rpms/perl-Sys-Virt.git /var/lib/mock/f42-build-3442777-45457/root/chroot_tmpdir/scmroot/perl-Sys-Virt
Cloning into '/var/lib/mock/f42-build-3442777-45457/root/chroot_tmpdir/scmroot/perl-Sys-Virt'...
$ git fetch origin cbe0e93fcd8445c2299ebf6471d52c30099bea07:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sys-Virt
 * [new ref]         cbe0e93fcd8445c2299ebf6471d52c30099bea07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbe0e93 11.1.0 bump (rhbz#2353336)