49 lines
1.5 KiB
Rust
49 lines
1.5 KiB
Rust
use super::Cmd;
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use crate::hash::{self, HashType};
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use clap::Command;
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use sha2::{Digest, Sha224};
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use shitbox::args;
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use std::io;
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#[derive(Debug, Default)]
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pub struct Sha224sum;
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impl Cmd for Sha224sum {
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fn cli(&self) -> clap::Command {
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Command::new("sha224sum")
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.about("compute and check SHA1 message digest")
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.author("Nathan Fisher")
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.version(env!("CARGO_PKG_VERSION"))
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.args([args::check(), args::file()])
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}
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fn run(&self, matches: &clap::ArgMatches) -> Result<(), Box<dyn std::error::Error>> {
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if let Some(files) = matches.get_many::<String>("file") {
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let mut erred = 0;
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for f in files {
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if matches.get_flag("check") {
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if f == "-" {
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return Err(
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io::Error::new(io::ErrorKind::Other, "no file specified").into()
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);
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}
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hash::check_sums(f, HashType::Sha224, &mut erred)?;
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} else {
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let hasher = Sha224::new();
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let s = hash::compute_hash(f, hasher)?;
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println!("{s} {f}");
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}
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}
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if erred > 0 {
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let msg = format!("WARNING: {erred} computed checksums did NOT match");
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return Err(io::Error::new(io::ErrorKind::Other, msg).into());
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}
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}
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Ok(())
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}
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fn path(&self) -> Option<shitbox::Path> {
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Some(shitbox::Path::UsrBin)
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}
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}
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