$ git clone -n https://src.fedoraproject.org/rpms/python-xdot.git /var/lib/mock/f45-build-33665-672/root/chroot_tmpdir/scmroot/python-xdot
Cloning into '/var/lib/mock/f45-build-33665-672/root/chroot_tmpdir/scmroot/python-xdot'...
$ git fetch origin 7362a37f95464ffe8da0bc58d39d889586e9ef8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-xdot
 * [new ref]         7362a37f95464ffe8da0bc58d39d889586e9ef8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7362a37 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild