$ git clone -n https://src.fedoraproject.org/rpms/R-rcmdcheck.git /var/lib/mock/f41-build-2410141-25459/root/chroot_tmpdir/scmroot/R-rcmdcheck
Cloning into '/var/lib/mock/f41-build-2410141-25459/root/chroot_tmpdir/scmroot/R-rcmdcheck'...
$ git fetch origin 318e1cf857d67da53a823ac271ea04a2c052487e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rcmdcheck
 * [new ref]         318e1cf857d67da53a823ac271ea04a2c052487e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 318e1cf Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild