$ git clone -n https://src.fedoraproject.org/rpms/R-RInside.git /var/lib/mock/f38-build-723844-99307/root/chroot_tmpdir/scmroot/R-RInside
Cloning into '/var/lib/mock/f38-build-723844-99307/root/chroot_tmpdir/scmroot/R-RInside'...
$ git reset --hard 4398925f6d756a65a4ad0418bf0aaf29adb0b895
HEAD is now at 4398925 Fix BuildRequires