Show how to align PATH

[mauro-ixpantia]

This is a fresh rocker/verse environment

root@bac7ae3e0007:/# lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 24.04.1 LTS
Release:	24.04
Codename:	noble

I installed the Rust toolchain successfully using the instructions in README

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

The shell finds .cargo/bin in the PATH

root@bac7ae3e0007:/# which cargo
/root/.cargo/bin/cargo

But R can't find it

root@bac7ae3e0007:/# Rscript -e "Sys.getenv('PATH')"
[1] "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/texlive/bin/linux:/usr/local/texlive/bin/linux/"

We can fix it by adding .cargo/bin to the PATH in .Renviron

root@bac7ae3e0007:/# echo "PATH=${HOME}/.cargo/bin:${PATH}" >> /root/.Renviron
root@bac7ae3e0007:/# Rscript -e "Sys.getenv('PATH')"
[1] "/root/.cargo/bin:/root/.cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/texlive/bin/linux"