$ git clone -n https://src.fedoraproject.org/rpms/rstudio.git /var/lib/mock/f40-build-781365-131566/root/chroot_tmpdir/scmroot/rstudio
Cloning into '/var/lib/mock/f40-build-781365-131566/root/chroot_tmpdir/scmroot/rstudio'...
$ git fetch origin f602309d383b63430257ce8db633de979923c8f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rstudio
 * [new ref]         f602309d383b63430257ce8db633de979923c8f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f602309 Update to 2023.12.1+402