$ git clone -n https://src.fedoraproject.org/rpms/rstudio.git /var/lib/mock/f38-build-side-42-init-devel-882982-28486/root/chroot_tmpdir/scmroot/rstudio
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-882982-28486/root/chroot_tmpdir/scmroot/rstudio'...
$ git fetch origin 4328613738f22e411e8992031a873bf27441aa43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rstudio
 * [new ref]         4328613738f22e411e8992031a873bf27441aa43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4328613 Update to 2023.03.0+386