$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-dash-to-dock.git /var/lib/mock/f45-build-11513-432/root/chroot_tmpdir/scmroot/gnome-shell-extension-dash-to-dock
Cloning into '/var/lib/mock/f45-build-11513-432/root/chroot_tmpdir/scmroot/gnome-shell-extension-dash-to-dock'...
$ git fetch origin 66f246ebffb0b106729bfd1c3348ed398d1c594b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-dash-to-dock
 * [new ref]         66f246ebffb0b106729bfd1c3348ed398d1c594b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66f246e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild