77 lines
1.9 KiB
Rust
77 lines
1.9 KiB
Rust
use std::{collections::HashSet, process::Command};
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use super::{Backend, Binary, Switches};
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use crate::Package;
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pub struct Rust;
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impl Backend for Rust {
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const BINARY: Binary = "cargo";
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const SWITCHES_INSTALL: Switches = &["install"];
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const SWITCHES_REMOVE: Switches = &["uninstall"];
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fn get_all_installed_packages() -> HashSet<Package> {
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extract_packages_names(&run_cargo_install_list())
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.map(Package::from)
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.collect()
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}
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fn get_explicitly_installed_packages() -> HashSet<Package> {
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Self::get_all_installed_packages()
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}
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}
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fn run_cargo_install_list() -> String {
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let stdout = Command::new("cargo")
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.args(["install", "--list"])
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.output()
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.unwrap()
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.stdout;
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String::from_utf8(stdout).unwrap()
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}
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fn extract_packages_names(output: &str) -> impl Iterator<Item = String> + '_ {
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output
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.lines()
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.filter(|line| !line.starts_with(char::is_whitespace))
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.map(|line| line.split_whitespace().next().unwrap().to_owned())
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}
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#[cfg(test)]
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mod tests {
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use super::extract_packages_names;
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#[test]
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fn test_extract_packages() {
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const OUTPUT: &str = "cargo-audit v0.17.4:
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cargo-audit
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cargo-cache v0.8.3:
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cargo-cache
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cargo-criterion v1.1.0:
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cargo-criterion
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cargo-update v11.1.1:
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cargo-install-update
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cargo-install-update-config
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flamegraph v0.6.2:
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cargo-flamegraph
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flamegraph
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topgrade v10.1.2 (/home/ratajc72/tmp/topgrade):
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topgrade
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wthrr v0.6.1:
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wthrr";
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let extracted: Vec<String> = extract_packages_names(OUTPUT).collect();
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assert_eq!(
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&extracted,
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&[
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"cargo-audit",
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"cargo-cache",
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"cargo-criterion",
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"cargo-update",
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"flamegraph",
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"topgrade",
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"wthrr"
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]
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);
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}
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}
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