$ git clone -n https://src.fedoraproject.org/rpms/coq.git /var/lib/mock/f38-build-side-42-init-devel-888547-28510/root/chroot_tmpdir/scmroot/coq
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-888547-28510/root/chroot_tmpdir/scmroot/coq'...
$ git fetch origin 676893ea6ee304e262fa1253180d37919c1ff3b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coq
 * [new ref]         676893ea6ee304e262fa1253180d37919c1ff3b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 676893e Version 8.17.0