$ git clone -n https://src.fedoraproject.org/rpms/xfce4-mpc-plugin.git /var/lib/mock/f40-build-788530-135185/root/chroot_tmpdir/scmroot/xfce4-mpc-plugin
Cloning into '/var/lib/mock/f40-build-788530-135185/root/chroot_tmpdir/scmroot/xfce4-mpc-plugin'...
$ git fetch origin c9bc7c2a09d330c6c4231bc9b3e71b6dee06301d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-mpc-plugin
 * [new ref]         c9bc7c2a09d330c6c4231bc9b3e71b6dee06301d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9bc7c2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild