$ git clone -n https://src.fedoraproject.org/rpms/R-plyr /var/lib/mock/f39-build-1586931-38213/root/chroot_tmpdir/scmroot/R-plyr
Cloning into '/var/lib/mock/f39-build-1586931-38213/root/chroot_tmpdir/scmroot/R-plyr'...
$ git fetch origin 024104e5b221f90af0db2bdfff225f4e4238826d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-plyr
 * [new ref]         024104e5b221f90af0db2bdfff225f4e4238826d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 024104e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild