diff options
Diffstat (limited to 'main.rs')
-rw-r--r-- | main.rs | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -0,0 +1,7 @@ +use std::io::{Read, Write}; +fn main() -> Result<(), Box<(dyn std::error::Error + 'static)>> { + let args: std::vec::Vec<String> = std::env::args().collect(); + let mut buffer = String::new(); + std::io::stdin().read_to_string(&mut buffer)?; + write!(std::fs::File::create("newConfiguration.nix")?, "{}", format!("{}environment.systemPackages = with pkgs;\n [\n{}\n{}",std::fs::read_to_string(&args[1]).expect("cant open new configuration").split("environment.systemPackages = with pkgs;\n [").collect::<Vec<&str>>()[0],&buffer.replace(" ", "\n"),std::fs::read_to_string(&args[1]).expect("cant open new configuration").split("environment.systemPackages = with pkgs;\n [").collect::<Vec<&str>>()[1])).expect("cant write into new configuration"); + Ok(()) }
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