$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-argos.git /var/lib/mock/f45-build-11488-432/root/chroot_tmpdir/scmroot/gnome-shell-extension-argos
Cloning into '/var/lib/mock/f45-build-11488-432/root/chroot_tmpdir/scmroot/gnome-shell-extension-argos'...
$ git fetch origin 9a63161c822f6f03a36b391cc86f943fb79e5571:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-argos
 * [new ref]         9a63161c822f6f03a36b391cc86f943fb79e5571 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a63161 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild