$ git clone -n https://src.fedoraproject.org/rpms/lollypop.git /var/lib/mock/f41-build-side-1-2794011-32699/root/chroot_tmpdir/scmroot/lollypop
Cloning into '/var/lib/mock/f41-build-side-1-2794011-32699/root/chroot_tmpdir/scmroot/lollypop'...
$ git fetch origin 71451cbceef0287737c75f1fac3f257761b01c35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lollypop
 * [new ref]         71451cbceef0287737c75f1fac3f257761b01c35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71451cb convert GPLv3+ license to SPDX