$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-blur-my-shell.git /var/lib/mock/f40-build-2593308-62702/root/chroot_tmpdir/scmroot/gnome-shell-extension-blur-my-shell
Cloning into '/var/lib/mock/f40-build-2593308-62702/root/chroot_tmpdir/scmroot/gnome-shell-extension-blur-my-shell'...
$ git fetch origin 5f0f1e9d553bc3f28ccf74086146ea2f6c7238b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-blur-my-shell
 * [new ref]         5f0f1e9d553bc3f28ccf74086146ea2f6c7238b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f0f1e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild