<!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/mod.rs`."><title>mod.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>mod.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="#196" id="196">196</a></pre></div><pre class="rust"><code><span class="doccomment">//! # installer
//!
//! Installs external dependencies for tasks.<br>
//! There are 2 types of dependencies: install_crate, install_script.<br>
//! install_crate ensures the crate command is available and if not installs the crate based on the provided name.<br>
//! install_script always gets executed before the task command.
//!
</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>cargo_plugin_installer;
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>crate_installer;
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>crate_version_check;
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>rustup_component_installer;
<span class="attr">#[cfg(test)]
#[path = <span class="string">"mod_test.rs"</span>]
</span><span class="kw">mod </span>mod_test;
<span class="kw">use </span><span class="kw">crate</span>::error::CargoMakeError;
<span class="kw">use </span><span class="kw">crate</span>::scriptengine;
<span class="kw">use </span><span class="kw">crate</span>::types::{FlowInfo, FlowState, InstallCrate, Task};
<span class="kw">use </span>std::cell::RefCell;
<span class="kw">use </span>std::rc::Rc;
<span class="kw">fn </span>get_cargo_plugin_info_from_command(task_config: <span class="kw-2">&</span>Task) -> <span class="prelude-ty">Option</span><(String, String)> {
<span class="kw">match </span>task_config.command {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>command) => {
<span class="kw">if </span>command == <span class="string">"cargo" </span>{
<span class="kw">match </span>task_config.args {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>args) => {
<span class="kw">if </span>args.len() > <span class="number">0 </span>&& !args[<span class="number">0</span>].starts_with(<span class="string">"-"</span>) {
<span class="comment">// create crate name
</span><span class="kw">let </span><span class="kw-2">mut </span>crate_name = <span class="string">"cargo-"</span>.to_string();
crate_name = crate_name + <span class="kw-2">&</span>args[<span class="number">0</span>];
<span class="prelude-val">Some</span>((args[<span class="number">0</span>].clone(), crate_name))
} <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">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>get_first_command_arg(task_config: <span class="kw-2">&</span>Task) -> <span class="prelude-ty">Option</span><String> {
<span class="kw">match </span>task_config.args {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>args) => {
<span class="kw">if </span>args.is_empty() {
<span class="prelude-val">None
</span>} <span class="kw">else </span>{
<span class="prelude-val">Some</span>(args[<span class="number">0</span>].to_string())
}
}
<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>install(
task_config: <span class="kw-2">&</span>Task,
flow_info: <span class="kw-2">&</span>FlowInfo,
flow_state: Rc<RefCell<FlowState>>,
) -> <span class="prelude-ty">Result</span><(), CargoMakeError> {
<span class="kw">if let </span><span class="prelude-val">Some</span>(disable_install) = flow_info.config.config.disable_install {
<span class="kw">if </span>disable_install {
<span class="kw">return </span><span class="prelude-val">Ok</span>(());
}
}
<span class="kw">let </span>validate = !task_config.should_ignore_errors();
<span class="kw">let </span>toolchain = task_config.toolchain.clone();
<span class="kw">let </span><span class="kw-2">mut </span>install_crate = task_config.install_crate.clone();
<span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>install_crate_value) = install_crate {
<span class="kw">if let </span>InstallCrate::Enabled(enabled) = install_crate_value {
<span class="kw">if </span><span class="kw-2">*</span>enabled {
<span class="comment">// enabled true is the same as no install_crate defined
</span>install_crate = <span class="prelude-val">None</span>;
}
}
}
<span class="kw">match </span>install_crate {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>install_crate_info) => <span class="kw">match </span>install_crate_info {
InstallCrate::Enabled(<span class="kw">_</span>) => (),
InstallCrate::Value(<span class="kw-2">ref </span>crate_name) => {
<span class="kw">let </span>first_arg = get_first_command_arg(task_config);
<span class="kw">match </span>first_arg {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>cargo_command) => cargo_plugin_installer::install_crate(
<span class="kw-2">&</span>toolchain,
<span class="prelude-val">Some</span>(cargo_command),
crate_name,
<span class="kw-2">&</span>task_config.install_crate_args,
validate,
<span class="kw-2">&</span><span class="prelude-val">None</span>,
<span class="kw-2">&</span><span class="prelude-val">None</span>,
<span class="kw-2">&</span><span class="prelude-val">None</span>,
),
<span class="prelude-val">None </span>=> cargo_plugin_installer::install_crate(
<span class="kw-2">&</span>toolchain,
<span class="prelude-val">None</span>,
crate_name,
<span class="kw-2">&</span>task_config.install_crate_args,
validate,
<span class="kw-2">&</span><span class="prelude-val">None</span>,
<span class="kw-2">&</span><span class="prelude-val">None</span>,
<span class="kw-2">&</span><span class="prelude-val">Some</span>(<span class="bool-val">false</span>), <span class="comment">// we can't validate, so we do not allow force
</span>),
}<span class="question-mark">?</span>;
}
InstallCrate::CargoPluginInfo(<span class="kw-2">ref </span>install_info) => {
<span class="kw">let </span>(cargo_command, crate_name) =
<span class="kw">match </span>get_cargo_plugin_info_from_command(<span class="kw-2">&</span>task_config) {
<span class="prelude-val">Some</span>(cargo_plugin_info) => cargo_plugin_info,
<span class="prelude-val">None </span>=> <span class="kw">match </span>get_first_command_arg(task_config) {
<span class="prelude-val">Some</span>(arg) => <span class="kw">match </span>install_info.crate_name {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>crate_name) => (arg, crate_name.to_string()),
<span class="prelude-val">None </span>=> {
<span class="macro">error!</span>(<span class="string">"Missing crate name to invoke."</span>);
<span class="kw">return </span><span class="prelude-val">Err</span>(CargoMakeError::NotFound(String::from(
<span class="string">"Missing crate name to invoke."</span>,
)));
}
},
<span class="prelude-val">None </span>=> <span class="kw">match </span>install_info.crate_name {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>crate_name) => {
(crate_name.to_string(), crate_name.to_string())
}
<span class="prelude-val">None </span>=> {
<span class="macro">error!</span>(<span class="string">"Missing cargo command to invoke."</span>);
<span class="kw">return </span><span class="prelude-val">Err</span>(CargoMakeError::NotFound(String::from(
<span class="string">"Missing crate command to invoke."</span>,
)));
}
},
},
};
cargo_plugin_installer::install_crate(
<span class="kw-2">&</span>toolchain,
<span class="prelude-val">Some</span>(<span class="kw-2">&</span>cargo_command),
<span class="kw-2">&</span>crate_name,
<span class="kw-2">&</span>task_config.install_crate_args,
validate,
<span class="kw-2">&</span>install_info.min_version,
<span class="kw-2">&</span>install_info.install_command,
<span class="kw-2">&</span>install_info.force,
)<span class="question-mark">?</span>;
}
InstallCrate::CrateInfo(<span class="kw-2">ref </span>install_info) => crate_installer::install(
<span class="kw-2">&</span>toolchain,
install_info,
<span class="kw-2">&</span>task_config.install_crate_args,
validate,
)<span class="question-mark">?</span>,
InstallCrate::RustupComponentInfo(<span class="kw-2">ref </span>install_info) => {
rustup_component_installer::install(<span class="kw-2">&</span>toolchain, install_info, validate);
}
},
<span class="prelude-val">None </span>=> <span class="kw">match </span>task_config.install_script {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>script) => {
scriptengine::invoke_script_in_flow_context(
<span class="kw-2">&</span>script,
task_config.script_runner.clone(),
task_config.script_runner_args.clone(),
task_config.script_extension.clone(),
validate,
<span class="prelude-val">Some</span>(flow_info),
<span class="prelude-val">Some</span>(flow_state),
)<span class="question-mark">?</span>;
()
}
<span class="prelude-val">None </span>=> <span class="kw">match </span>get_cargo_plugin_info_from_command(<span class="kw-2">&</span>task_config) {
<span class="prelude-val">Some</span>((cargo_command, crate_name)) => {
cargo_plugin_installer::install_crate(
<span class="kw-2">&</span>toolchain,
<span class="prelude-val">Some</span>(<span class="kw-2">&</span>cargo_command),
<span class="kw-2">&</span>crate_name,
<span class="kw-2">&</span>task_config.install_crate_args,
validate,
<span class="kw-2">&</span><span class="prelude-val">None</span>,
<span class="kw-2">&</span><span class="prelude-val">None</span>,
<span class="kw-2">&</span><span class="prelude-val">None</span>,
)<span class="question-mark">?</span>;
}
<span class="prelude-val">None </span>=> <span class="macro">debug!</span>(<span class="string">"No installation script defined."</span>),
},
},
};
<span class="prelude-val">Ok</span>(())
}
</code></pre></div></section></main></body></html>