$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-just-perfection.git /var/lib/mock/f40-build-2443224-61098/root/chroot_tmpdir/scmroot/gnome-shell-extension-just-perfection
Cloning into '/var/lib/mock/f40-build-2443224-61098/root/chroot_tmpdir/scmroot/gnome-shell-extension-just-perfection'...
$ git fetch origin b67d139f359bb59fb17fa5a3d8df54821d14beca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-just-perfection
 * [new ref]         b67d139f359bb59fb17fa5a3d8df54821d14beca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b67d139 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild