System2 error during installation

[GBeattie]

Hey!

Installing as recommended here (https://rdrr.io/github/mojaveazure/loomR/), however getting the error below. Thanks in advance for any help!

> remotes::install_github("mojaveazure/loomR")
Downloading GitHub repo mojaveazure/loomR@master
✔  checking for file ‘/private/var/folders/ll/jmydhb6n7jqg5rv_c58jxkkh0000gn/T/RtmpV9Trlp/remotes581e717ca0/mojaveazure-loomR-df0144b/DESCRIPTION’ ...
   Error in system2("cp", "--version", stdout = TRUE, stderr = FALSE) : 
     error in running command
   Execution halted
   sh: rm: command not found
Error: Failed to install 'loomR' from GitHub:
  System command error, exit status: 1, stdout + stderr:
E> * checking for file ‘/private/var/folders/ll/jmydhb6n7jqg5rv_c58jxkkh0000gn/T/RtmpV9Trlp/remotes581e717ca0/mojaveazure-loomR-df0144b/DESCRIPTION’ ... OK
E> Error in system2("cp", "--version", stdout = TRUE, stderr = FALSE) : 
E>   error in running command
E> Execution halted
E> sh: rm: command not found
>