$ git clone -n https://src.fedoraproject.org/rpms/magicmirror-module-onthisday.git /var/lib/mock/f40-build-2278940-55297/root/chroot_tmpdir/scmroot/magicmirror-module-onthisday
Cloning into '/var/lib/mock/f40-build-2278940-55297/root/chroot_tmpdir/scmroot/magicmirror-module-onthisday'...
$ git fetch origin d70d43220c6dfe76db80265465bad37606183698:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/magicmirror-module-onthisday
 * [new ref]         d70d43220c6dfe76db80265465bad37606183698 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d70d432 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild