$ git clone -n https://src.fedoraproject.org/rpms/linux-system-roles.git /var/lib/mock/f39-build-2260655-54414/root/chroot_tmpdir/scmroot/linux-system-roles
Cloning into '/var/lib/mock/f39-build-2260655-54414/root/chroot_tmpdir/scmroot/linux-system-roles'...
$ git fetch origin 48f0809412333cb51bea31b380ff9900b5b30f21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/linux-system-roles
 * [new ref]         48f0809412333cb51bea31b380ff9900b5b30f21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48f0809 [packit] 1.67.0 upstream release