This commit is contained in:
nora 2024-08-23 13:57:28 +02:00
parent cd3628e168
commit dd029f03bd
6 changed files with 328 additions and 0 deletions

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@ -2,6 +2,7 @@ pkgs: {
cargo-bisect-rustc = import ./cargo-bisect-rustc/default.nix pkgs;
monaspace = import ./monaspace.nix pkgs;
run = import ./run { inherit pkgs; };
unpem = import ./unpem { inherit pkgs; };
x = import ./x { inherit pkgs; };
}

274
custom-pkgs/unpem/Cargo.lock generated Normal file
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@ -0,0 +1,274 @@
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@ -0,0 +1,8 @@
[package]
name = "unpem"
version = "0.1.0"
edition = "2021"
[dependencies]
clap = { version = "4.5.16", features = ["derive"] }
pem = "3.0.4"

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@ -0,0 +1,10 @@
{ pkgs ? import <nixpkgs> { }, ... }: pkgs.rustPlatform.buildRustPackage {
src = pkgs.lib.cleanSource ./.;
pname = "unpem";
version = "0.1.0";
cargoLock.lockFile = ./Cargo.lock;
meta = {
mainProgram = "unpem";
};
}

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@ -0,0 +1,34 @@
use std::{
error::Error,
io::{BufReader, Read, Write},
};
use clap::Parser;
#[derive(clap::Parser)]
struct Args {
file: Option<String>,
}
fn main() -> Result<(), Box<dyn Error>> {
let args = Args::parse();
match args.file {
None => unpem(&mut std::io::stdin().lock()),
Some(file) => {
let file = std::fs::File::open(file)?;
let mut file = BufReader::new(file);
unpem(&mut file)
}
}
}
fn unpem(input: &mut dyn Read) -> Result<(), Box<dyn Error>> {
let mut v = Vec::new();
input.read_to_end(&mut v)?;
let pem = pem::parse(v)?;
std::io::stdout().write_all(pem.contents())?;
Ok(())
}