$ git clone -n https://src.fedoraproject.org/rpms/teamgit.git /var/lib/mock/f41-build-side-1-2949551-35473/root/chroot_tmpdir/scmroot/teamgit
Cloning into '/var/lib/mock/f41-build-side-1-2949551-35473/root/chroot_tmpdir/scmroot/teamgit'...
$ git fetch origin 25eb193edbb95aa7efcb6752246d72237a936a63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/teamgit
 * [new ref]         25eb193edbb95aa7efcb6752246d72237a936a63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25eb193 convert GPLv2 license to SPDX