$ git clone -n https://src.fedoraproject.org/rpms/python-git-revise.git /var/lib/mock/f42-build-side-1-3583443-46888/root/chroot_tmpdir/scmroot/python-git-revise
Cloning into '/var/lib/mock/f42-build-side-1-3583443-46888/root/chroot_tmpdir/scmroot/python-git-revise'...
$ git fetch origin eac79a525c2eb58e5c003e043ee36d3223b7c61f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-git-revise
 * [new ref]         eac79a525c2eb58e5c003e043ee36d3223b7c61f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eac79a5 Add patch to fix git reflog behaviour in git 2.48