$ git clone -n https://src.fedoraproject.org/rpms/libopenmpt.git /var/lib/mock/f40-build-785878-134131/root/chroot_tmpdir/scmroot/libopenmpt
Cloning into '/var/lib/mock/f40-build-785878-134131/root/chroot_tmpdir/scmroot/libopenmpt'...
$ git fetch origin aef8dfdc0cf687fc3cd2f6d83421f7eb77e389ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libopenmpt
 * [new ref]         aef8dfdc0cf687fc3cd2f6d83421f7eb77e389ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aef8dfd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild