$ git clone -n https://src.fedoraproject.org/rpms/R-RPostgres.git /var/lib/mock/f40-build-789278-135700/root/chroot_tmpdir/scmroot/R-RPostgres
Cloning into '/var/lib/mock/f40-build-789278-135700/root/chroot_tmpdir/scmroot/R-RPostgres'...
$ git fetch origin 01daf5994ecb2b57fa2db3bf11cced7a5d9e62af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-RPostgres
 * [new ref]         01daf5994ecb2b57fa2db3bf11cced7a5d9e62af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01daf59 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild