Add `b2sum` applet - switch to `blake2b_simd` crate to get around
limitations of `blake2` crate, which will not accept a non-const numerical specifier for length
This commit is contained in:
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6b30c356dd
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f0099a2958
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@ -2,6 +2,18 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "arrayref"
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version = "0.3.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
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[[package]]
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name = "arrayvec"
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version = "0.7.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
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[[package]]
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name = "atty"
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version = "0.2.14"
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@ -20,12 +32,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "blake2"
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version = "0.10.6"
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name = "blake2b_simd"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
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checksum = "72936ee4afc7f8f736d1c38383b56480b5497b4617b4a77bdbf1d2ababc76127"
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dependencies = [
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"digest",
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"arrayref",
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"arrayvec",
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"constant_time_eq",
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]
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[[package]]
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@ -100,6 +114,12 @@ dependencies = [
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"roff",
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]
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[[package]]
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name = "constant_time_eq"
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version = "0.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
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[[package]]
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name = "cpufeatures"
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version = "0.2.5"
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@ -133,7 +153,6 @@ checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
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dependencies = [
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"block-buffer",
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"crypto-common",
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"subtle",
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]
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[[package]]
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@ -293,7 +312,7 @@ name = "shitbox"
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version = "0.1.0"
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dependencies = [
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"atty",
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"blake2",
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"blake2b_simd",
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"clap",
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"clap_complete",
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"clap_complete_nushell",
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@ -322,12 +341,6 @@ version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "subtle"
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version = "2.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
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[[package]]
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name = "termcolor"
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version = "1.2.0"
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@ -7,7 +7,7 @@ edition = "2021"
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[dependencies]
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atty = "0.2"
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blake2 = "0.10"
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blake2b_simd = "1.0"
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clap = "4.1"
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clap_complete = "4.1"
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clap_complete_nushell = "0.1"
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@ -0,0 +1,104 @@
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use super::Cmd;
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use crate::args;
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use blake2b_simd::Params;
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use clap::{value_parser, Arg, Command};
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use std::{
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fs::File,
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io::{self, BufRead, BufReader, Read},
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process,
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};
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#[derive(Debug, Default)]
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pub struct B2sum;
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impl Cmd for B2sum {
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fn cli(&self) -> clap::Command {
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Command::new("b2sum")
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.about("compute and check MD5 message digest")
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.author("Nathan Fisher")
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.version(env!("CARGO_PKG_VERSION"))
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.args([
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args::check(),
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args::file(),
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Arg::new("length")
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.help(
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"digest length in bits; must not exceed the max for the \
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blake2 algorithm and must be a multiple of 8"
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)
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.short('l')
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.long("length")
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.default_value("512")
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.value_parser(value_parser!(usize)),
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])
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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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let len = matches.get_one("length").unwrap_or(&512);
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if *len % 8 != 0 {
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let msg = format!("bad hash length: {len}");
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return Err(io::Error::new(io::ErrorKind::Other, msg).into());
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}
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let len = len / 8;
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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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let fd = File::open(f)?;
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let reader = BufReader::new(fd);
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for line in reader.lines() {
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let line = line?;
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let mut split = line.split_whitespace();
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let sum = split.next().ok_or::<io::Error>(
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io::Error::new(io::ErrorKind::Other, "invalid checksum file").into(),
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)?;
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let file = split.next().ok_or::<io::Error>(
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io::Error::new(io::ErrorKind::Other, "invalid checksum file").into(),
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)?;
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let mut buf = vec![];
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let mut fd = File::open(file)?;
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fd.read_to_end(&mut buf)?;
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let hash = Params::new()
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.hash_length(len)
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.to_state()
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.update(&buf)
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.finalize();
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if hash.to_hex().as_str() == sum {
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println!("{file}: OK");
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} else {
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println!("{file}: FAILED");
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erred += 1;
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}
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}
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} else {
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let mut buf = vec![];
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if f == "-" {
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let _s = io::stdin().read_to_end(&mut buf)?;
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} else {
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let mut fd = File::open(f)?;
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let _s = fd.read_to_end(&mut buf)?;
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}
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let hash = Params::new()
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.hash_length(len)
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.to_state()
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.update(&buf)
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.finalize();
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println!("{} {f}", &hash.to_hex());
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}
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}
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if erred > 0 {
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println!("b2sum: WARNING: {erred} computed checksum did NOT match");
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process::exit(1);
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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<crate::Path> {
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Some(crate::Path::UsrBin)
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}
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}
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@ -1,6 +1,7 @@
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use clap::ArgMatches;
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use std::{error::Error, fmt};
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mod b2sum;
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pub mod base32;
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mod base64;
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mod basename;
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@ -78,6 +79,7 @@ pub trait Cmd: fmt::Debug + Sync {
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#[allow(clippy::box_default)]
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pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
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match name {
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"b2sum" => Some(Box::new(b2sum::B2sum::default())),
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"base64" => Some(Box::new(base64::Base64::default())),
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"base32" => Some(Box::new(base32::Base32::default())),
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"basename" => Some(Box::new(basename::Basename::default())),
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@ -131,7 +133,8 @@ pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
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}
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}
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pub static COMMANDS: [&str; 49] = [
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pub static COMMANDS: [&str; 50] = [
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"b2sum",
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"base32",
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"base64",
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"basename",
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