$ git clone -n https://src.fedoraproject.org/rpms/ghc-doctemplates.git /var/lib/mock/f38-build-side-42-init-devel-771025-27757/root/chroot_tmpdir/scmroot/ghc-doctemplates
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-771025-27757/root/chroot_tmpdir/scmroot/ghc-doctemplates'...
$ git fetch origin 9869e77261d82d3fd12bbabc0b4f61e3262fec60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-doctemplates
 * [new ref]         9869e77261d82d3fd12bbabc0b4f61e3262fec60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9869e77 update to 0.10.0.2