$ git clone -n https://src.fedoraproject.org/rpms/gappalib-coq.git /var/lib/mock/f42-build-3384198-45084/root/chroot_tmpdir/scmroot/gappalib-coq
Cloning into '/var/lib/mock/f42-build-3384198-45084/root/chroot_tmpdir/scmroot/gappalib-coq'...
$ git fetch origin 8c6db1a170e5ad81eea544e12ace48ccc54e76cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gappalib-coq
 * [new ref]         8c6db1a170e5ad81eea544e12ace48ccc54e76cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c6db1a Version 1.7.0