$ git clone -n https://src.fedoraproject.org/rpms/netmask.git /var/lib/mock/f42-build-3281430-41343/root/chroot_tmpdir/scmroot/netmask
Cloning into '/var/lib/mock/f42-build-3281430-41343/root/chroot_tmpdir/scmroot/netmask'...
$ git fetch origin 8c5207d9fa2d1b0ddc682c704eab001f3636536c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/netmask
 * [new ref]         8c5207d9fa2d1b0ddc682c704eab001f3636536c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c5207d Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild