$ git clone -n https://src.fedoraproject.org/rpms/atomes.git /var/lib/mock/f41-build-side-1-2917986-34837/root/chroot_tmpdir/scmroot/atomes
Cloning into '/var/lib/mock/f41-build-side-1-2917986-34837/root/chroot_tmpdir/scmroot/atomes'...
$ git fetch origin b212ae18d1f8bdfef742cffe25c9853e9279ef50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/atomes
 * [new ref]         b212ae18d1f8bdfef742cffe25c9853e9279ef50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b212ae1 Package correction