$ git clone -n https://src.fedoraproject.org/rpms/R.git /var/lib/mock/f38-build-side-42-init-devel-522512-25594/root/chroot_tmpdir/scmroot/R
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-522512-25594/root/chroot_tmpdir/scmroot/R'...
$ git reset --hard 87137bd1d2f89f5d4fe38e9961cbcb339b9ecef6
HEAD is now at 87137bd Disable tests for non x86_64 architectures in EPEL