$ git clone -n https://src.fedoraproject.org/rpms/R-promises.git /var/lib/mock/f40-build-789198-135678/root/chroot_tmpdir/scmroot/R-promises
Cloning into '/var/lib/mock/f40-build-789198-135678/root/chroot_tmpdir/scmroot/R-promises'...
$ git fetch origin 0f788595d130c3a1107205cda8c79792a719e351:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-promises
 * [new ref]         0f788595d130c3a1107205cda8c79792a719e351 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f78859 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild