$ git clone -n https://src.fedoraproject.org/rpms/kde-gtk-config.git /var/lib/mock/f38-build-side-42-init-devel-571173-25911/root/chroot_tmpdir/scmroot/kde-gtk-config
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-571173-25911/root/chroot_tmpdir/scmroot/kde-gtk-config'...
$ git fetch origin f843d9bc3492bea4f985e2d3961004bb0f051989:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-gtk-config
 * [new ref]         f843d9bc3492bea4f985e2d3961004bb0f051989 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f843d9b 5.27.4