$ git clone -n https://src.fedoraproject.org/rpms/ghc-dbus.git /var/lib/mock/f38-build-side-42-init-devel-895295-28550/root/chroot_tmpdir/scmroot/ghc-dbus
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-895295-28550/root/chroot_tmpdir/scmroot/ghc-dbus'...
$ git fetch origin c109308cce9800dbc40503414d40888f7fb3de17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-dbus
 * [new ref]         c109308cce9800dbc40503414d40888f7fb3de17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c109308 disable testsuite since it uses the network