$ git clone -n https://src.fedoraproject.org/rpms/R-processx.git /var/lib/mock/f40-build-2389443-60520/root/chroot_tmpdir/scmroot/R-processx
Cloning into '/var/lib/mock/f40-build-2389443-60520/root/chroot_tmpdir/scmroot/R-processx'...
$ git fetch origin 293feb95de324c4f46e9d5917f4487495a9b1ecd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-processx
 * [new ref]         293feb95de324c4f46e9d5917f4487495a9b1ecd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 293feb9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild