<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/lib/installer/crate_version_check.rs`."><title>crate_version_check.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-c579a84d.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="cli" data-themes="" data-resource-suffix="" data-rustdoc-version="1.86.0-nightly (6067b3631 2025-01-17)" data-channel="nightly" data-search-js="search-ccb196c1.js" data-settings-js="settings-0f613d39.js" ><script src="../../../static.files/storage-59e33391.js"></script><script defer src="../../../static.files/src-script-56102188.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">cli/installer/</div>crate_version_check.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers">
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<a href="#224" id="224">224</a></pre></div><pre class="rust"><code><span class="doccomment">//! # crate_version_check
//!
//! Checks crate versions.
//!
</span><span class="attr">#[cfg(test)]
#[path = <span class="string">"crate_version_check_test.rs"</span>]
</span><span class="kw">mod </span>crate_version_check_test;
<span class="kw">use </span><span class="kw">crate</span>::command;
<span class="kw">use </span>semver::Version;
<span class="kw">use </span>std::collections::HashMap;
<span class="kw">use </span>std::env;
<span class="kw">use </span>std::path::Path;
<span class="attr">#[derive(Deserialize, Debug)]
</span><span class="kw">struct </span>CratesRegistryInfo {
v1: <span class="prelude-ty">Option</span><HashMap<String, Vec<String>>>,
}
<span class="kw">enum </span>VersionParseOutput {
Version(Version),
InvalidVersion,
WrongCrate,
}
<span class="kw">fn </span>get_cargo_home() -> <span class="prelude-ty">Option</span><String> {
<span class="kw">let </span>cargo_home = <span class="kw">match </span>env::var(<span class="string">"CARGO_HOME"</span>) {
<span class="prelude-val">Ok</span>(value) => <span class="prelude-val">Some</span>(value.to_string()),
<span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">match </span>dirs_next::home_dir() {
<span class="prelude-val">Some</span>(directory) => <span class="kw">match </span>directory.join(<span class="string">".cargo"</span>).to_str() {
<span class="prelude-val">Some</span>(value) => <span class="prelude-val">Some</span>(value.to_string()),
<span class="prelude-val">None </span>=> <span class="prelude-val">None</span>,
},
<span class="prelude-val">None </span>=> <span class="prelude-val">None</span>,
},
};
<span class="kw">match </span>cargo_home {
<span class="prelude-val">Some</span>(directory) => {
<span class="kw">let </span>directory_path = Path::new(<span class="kw-2">&</span>directory);
<span class="kw">if </span>directory_path.exists() && directory_path.is_dir() {
<span class="prelude-val">Some</span>(directory)
} <span class="kw">else </span>{
<span class="prelude-val">None
</span>}
}
<span class="prelude-val">None </span>=> <span class="prelude-val">None</span>,
}
}
<span class="kw">fn </span>load_crates_toml(cargo_home: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><CratesRegistryInfo> {
<span class="kw">let </span>file_path = Path::new(cargo_home).join(<span class="string">".crates.toml"</span>);
<span class="kw">if </span>file_path.exists() && file_path.is_file() {
<span class="kw">match </span>fsio::file::read_text_file(<span class="kw-2">&</span>file_path) {
<span class="prelude-val">Ok</span>(file_content) => <span class="kw">match </span>toml::from_str(<span class="kw-2">&</span>file_content) {
<span class="prelude-val">Ok</span>(info) => <span class="prelude-val">Some</span>(info),
<span class="prelude-val">Err</span>(error) => {
<span class="macro">warn!</span>(<span class="string">"Unable to parse crates descriptor, error: {}"</span>, <span class="kw-2">&</span>error);
<span class="prelude-val">None
</span>}
},
<span class="prelude-val">Err</span>(error) => {
<span class="macro">warn!</span>(<span class="string">"Unable to open crates descriptor, error: {}"</span>, <span class="kw-2">&</span>error);
<span class="prelude-val">None
</span>}
}
} <span class="kw">else </span>{
<span class="prelude-val">None
</span>}
}
<span class="kw">fn </span>parse_version_from_string(version_line: <span class="kw-2">&</span>str, crate_name: <span class="kw-2">&</span>str) -> VersionParseOutput {
<span class="kw">let </span>parts: Vec<<span class="kw-2">&</span>str> = version_line.split(<span class="string">' '</span>).collect();
<span class="kw">if </span>parts.len() >= <span class="number">2 </span>&& parts[<span class="number">0</span>] == crate_name {
<span class="kw">match </span>Version::parse(parts[<span class="number">1</span>]) {
<span class="prelude-val">Ok</span>(version) => VersionParseOutput::Version(version),
<span class="kw">_ </span>=> VersionParseOutput::InvalidVersion,
}
} <span class="kw">else </span>{
VersionParseOutput::WrongCrate
}
}
<span class="kw">fn </span>get_crate_version_from_info(crate_name: <span class="kw-2">&</span>str, info: <span class="kw-2">&</span>CratesRegistryInfo) -> <span class="prelude-ty">Option</span><Version> {
<span class="kw">match </span>info.v1 {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>keys) => {
<span class="kw">for </span>key <span class="kw">in </span>keys.keys() {
<span class="kw">let </span>output = parse_version_from_string(<span class="kw-2">&</span>key, crate_name);
<span class="kw">match </span>output {
VersionParseOutput::Version(version) => <span class="kw">return </span><span class="prelude-val">Some</span>(version),
VersionParseOutput::InvalidVersion => <span class="kw">return </span><span class="prelude-val">None</span>,
VersionParseOutput::WrongCrate => (),
};
}
<span class="prelude-val">None
</span>}
<span class="prelude-val">None </span>=> <span class="prelude-val">None</span>,
}
}
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>get_crate_version(crate_name: <span class="kw-2">&</span>str, binary: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>) -> <span class="prelude-ty">Option</span><Version> {
<span class="kw">let </span>cargo_home = get_cargo_home();
<span class="kw">let </span>version = <span class="kw">match </span>cargo_home {
<span class="prelude-val">Some</span>(directory) => <span class="kw">match </span>load_crates_toml(<span class="kw-2">&</span>directory) {
<span class="prelude-val">Some</span>(info) => get_crate_version_from_info(<span class="kw-2">&</span>crate_name, <span class="kw-2">&</span>info),
<span class="prelude-val">None </span>=> {
<span class="macro">warn!</span>(
<span class="string">"Unable to read crates registry information to validate {} crate version."</span>,
<span class="kw-2">&</span>crate_name
);
<span class="prelude-val">None
</span>}
},
<span class="prelude-val">None </span>=> {
<span class="macro">warn!</span>(
<span class="string">"Unable to find cargo home directory to validate {} crate version."</span>,
<span class="kw-2">&</span>crate_name
);
<span class="prelude-val">None
</span>}
};
<span class="kw">match </span>version {
<span class="prelude-val">Some</span>(value) => <span class="prelude-val">Some</span>(value),
<span class="prelude-val">None </span>=> <span class="kw">match </span>binary {
<span class="prelude-val">Some</span>(value) => {
<span class="kw">let </span>result = command::run_command_get_output_string(
<span class="kw-2">&</span>value,
<span class="kw-2">&</span><span class="prelude-val">Some</span>(<span class="macro">vec!</span>[<span class="string">"--version"</span>.to_string()]),
);
<span class="kw">match </span>result {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>output) => {
<span class="macro">debug!</span>(<span class="string">"Version CLI output: {}"</span>, output);
<span class="kw">match </span>parse_version_from_string(output, crate_name) {
VersionParseOutput::Version(version) => <span class="prelude-val">Some</span>(version),
VersionParseOutput::InvalidVersion => <span class="prelude-val">None</span>,
VersionParseOutput::WrongCrate => <span class="prelude-val">None</span>,
}
}
<span class="prelude-val">None </span>=> <span class="prelude-val">None</span>,
}
}
<span class="prelude-val">None </span>=> <span class="prelude-val">None</span>,
},
}
}
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>is_min_version_valid_for_versions(
min_version: <span class="kw-2">&</span>Version,
installed_version: <span class="kw-2">&</span>Version,
) -> bool {
<span class="kw">if </span>min_version.major > installed_version.major {
<span class="bool-val">false
</span>} <span class="kw">else if </span>min_version.major < installed_version.major {
<span class="bool-val">true
</span>} <span class="kw">else if </span>min_version.minor > installed_version.minor {
<span class="bool-val">false
</span>} <span class="kw">else if </span>min_version.minor < installed_version.minor {
<span class="bool-val">true
</span>} <span class="kw">else </span>{
installed_version.patch >= min_version.patch
}
}
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>is_min_version_valid(
crate_name: <span class="kw-2">&</span>str,
min_version: <span class="kw-2">&</span>str,
binary: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>,
) -> bool {
<span class="kw">let </span>semver_value = Version::parse(min_version);
<span class="kw">match </span>semver_value {
<span class="prelude-val">Ok</span>(version_values) => <span class="kw">match </span>get_crate_version(crate_name, binary) {
<span class="prelude-val">Some</span>(installed_version_values) => {
is_min_version_valid_for_versions(<span class="kw-2">&</span>version_values, <span class="kw-2">&</span>installed_version_values)
}
<span class="prelude-val">None </span>=> {
<span class="macro">warn!</span>(
<span class="string">"Unable to read currently installed version for crate: {}"</span>,
<span class="kw-2">&</span>crate_name
);
<span class="bool-val">true
</span>}
},
<span class="kw">_ </span>=> {
<span class="macro">warn!</span>(<span class="string">"Unable to parse min version value: {}"</span>, <span class="kw-2">&</span>min_version);
<span class="bool-val">true
</span>}
}
}
<span class="kw">fn </span>is_version_valid_for_versions(version: <span class="kw-2">&</span>Version, installed_version: <span class="kw-2">&</span>Version) -> bool {
version.major == installed_version.major
&& version.minor == installed_version.minor
&& version.patch == installed_version.patch
}
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>is_version_valid(crate_name: <span class="kw-2">&</span>str, version: <span class="kw-2">&</span>str, binary: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>) -> bool {
<span class="kw">let </span>semver_value = Version::parse(version);
<span class="kw">match </span>semver_value {
<span class="prelude-val">Ok</span>(version_values) => <span class="kw">match </span>get_crate_version(crate_name, binary) {
<span class="prelude-val">Some</span>(installed_version_values) => {
is_version_valid_for_versions(<span class="kw-2">&</span>version_values, <span class="kw-2">&</span>installed_version_values)
}
<span class="prelude-val">None </span>=> {
<span class="macro">warn!</span>(
<span class="string">"Unable to read currently installed version for crate: {}"</span>,
<span class="kw-2">&</span>crate_name
);
<span class="bool-val">true
</span>}
},
<span class="kw">_ </span>=> {
<span class="macro">warn!</span>(<span class="string">"Unable to parse version value: {}"</span>, <span class="kw-2">&</span>version);
<span class="bool-val">true
</span>}
}
}
</code></pre></div></section></main></body></html>