$ git clone -n https://src.fedoraproject.org/rpms/translate-toolkit.git /var/lib/mock/f41-build-side-1-2778912-32448/root/chroot_tmpdir/scmroot/translate-toolkit
Cloning into '/var/lib/mock/f41-build-side-1-2778912-32448/root/chroot_tmpdir/scmroot/translate-toolkit'...
$ git fetch origin 7dcfddaf4c35e65d186ad0e0cc6d54694d6c531e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/translate-toolkit
 * [new ref]         7dcfddaf4c35e65d186ad0e0cc6d54694d6c531e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7dcfdda update to 3.13.3 (rhbz#2276562)