$ git clone -n https://src.fedoraproject.org/rpms/R-docopt.git /var/lib/mock/f40-build-2107402-50596/root/chroot_tmpdir/scmroot/R-docopt
Cloning into '/var/lib/mock/f40-build-2107402-50596/root/chroot_tmpdir/scmroot/R-docopt'...
$ git fetch origin 8d6605144289020d4ef772dd0f2f83e5cb058df6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-docopt
 * [new ref]         8d6605144289020d4ef772dd0f2f83e5cb058df6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d66051 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild