$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-scscp.git /var/lib/mock/f38-build-side-42-init-devel-851417-28425/root/chroot_tmpdir/scmroot/gap-pkg-scscp
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-851417-28425/root/chroot_tmpdir/scmroot/gap-pkg-scscp'...
$ git fetch origin 57b3242a0b4831859356c8fb9921f049828e732a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-scscp
 * [new ref]         57b3242a0b4831859356c8fb9921f049828e732a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57b3242 Version 2.4.1.