$ git clone -n https://src.fedoraproject.org/rpms/magicmirror-module-onthisday.git /var/lib/mock/f40-build-2535967-61850/root/chroot_tmpdir/scmroot/magicmirror-module-onthisday
Cloning into '/var/lib/mock/f40-build-2535967-61850/root/chroot_tmpdir/scmroot/magicmirror-module-onthisday'...
$ git fetch origin 3dd87fb73989d3f006d2232553c14d70f50111f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/magicmirror-module-onthisday
 * [new ref]         3dd87fb73989d3f006d2232553c14d70f50111f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3dd87fb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild