$ git clone -n https://src.fedoraproject.org/rpms/davfs2.git /var/lib/mock/f41-build-827917-155517/root/chroot_tmpdir/scmroot/davfs2
Cloning into '/var/lib/mock/f41-build-827917-155517/root/chroot_tmpdir/scmroot/davfs2'...
$ git fetch origin e971297aba40c42939743de47fc3af79d63c471a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/davfs2
 * [new ref]         e971297aba40c42939743de47fc3af79d63c471a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e971297 fix BuildRequires for F41+