$ git clone -n https://src.fedoraproject.org/rpms/teamgit.git /var/lib/mock/f41-build-1041921-18994/root/chroot_tmpdir/scmroot/teamgit
Cloning into '/var/lib/mock/f41-build-1041921-18994/root/chroot_tmpdir/scmroot/teamgit'...
$ git fetch origin 9f1475b64af13ed103e5c09c64ad0aeb33447d24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/teamgit
 * [new ref]         9f1475b64af13ed103e5c09c64ad0aeb33447d24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f1475b Eliminate use of obsolete %patchN syntax (#2283636)