$ git clone -n https://src.fedoraproject.org/rpms/python-hyperkitty.git /var/lib/mock/f40-build-2707130-71274/root/chroot_tmpdir/scmroot/python-hyperkitty
Cloning into '/var/lib/mock/f40-build-2707130-71274/root/chroot_tmpdir/scmroot/python-hyperkitty'...
$ git fetch origin 698f2f0ed43aa800ca83529d96d5e1b11a628787:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-hyperkitty
 * [new ref]         698f2f0ed43aa800ca83529d96d5e1b11a628787 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 698f2f0 Recommend cmarkgfm