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//! # 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.
//!
pub(crate) mod cargo_plugin_installer;
pub(crate) mod crate_installer;
pub(crate) mod crate_version_check;
pub(crate) mod rustup_component_installer;
#[cfg(test)]
#[path = "mod_test.rs"]
mod mod_test;
use crate::error::CargoMakeError;
use crate::scriptengine;
use crate::types::{FlowInfo, FlowState, InstallCrate, Task};
use std::cell::RefCell;
use std::rc::Rc;
fn get_cargo_plugin_info_from_command(task_config: &Task) -> Option<(String, String)> {
match task_config.command {
Some(ref command) => {
if command == "cargo" {
match task_config.args {
Some(ref args) => {
if args.len() > 0 && !args[0].starts_with("-") {
// create crate name
let mut crate_name = "cargo-".to_string();
crate_name = crate_name + &args[0];
Some((args[0].clone(), crate_name))
} else {
None
}
}
None => None,
}
} else {
None
}
}
None => None,
}
}
fn get_first_command_arg(task_config: &Task) -> Option<String> {
match task_config.args {
Some(ref args) => {
if args.is_empty() {
None
} else {
Some(args[0].to_string())
}
}
None => None,
}
}
pub(crate) fn install(
task_config: &Task,
flow_info: &FlowInfo,
flow_state: Rc<RefCell<FlowState>>,
) -> Result<(), CargoMakeError> {
if let Some(disable_install) = flow_info.config.config.disable_install {
if disable_install {
return Ok(());
}
}
let validate = !task_config.should_ignore_errors();
let toolchain = task_config.toolchain.clone();
let mut install_crate = task_config.install_crate.clone();
if let Some(ref install_crate_value) = install_crate {
if let InstallCrate::Enabled(enabled) = install_crate_value {
if *enabled {
// enabled true is the same as no install_crate defined
install_crate = None;
}
}
}
match install_crate {
Some(ref install_crate_info) => match install_crate_info {
InstallCrate::Enabled(_) => (),
InstallCrate::Value(ref crate_name) => {
let first_arg = get_first_command_arg(task_config);
match first_arg {
Some(ref cargo_command) => cargo_plugin_installer::install_crate(
&toolchain,
Some(cargo_command),
crate_name,
&task_config.install_crate_args,
validate,
&None,
&None,
&None,
),
None => cargo_plugin_installer::install_crate(
&toolchain,
None,
crate_name,
&task_config.install_crate_args,
validate,
&None,
&None,
&Some(false), // we can't validate, so we do not allow force
),
}?;
}
InstallCrate::CargoPluginInfo(ref install_info) => {
let (cargo_command, crate_name) =
match get_cargo_plugin_info_from_command(&task_config) {
Some(cargo_plugin_info) => cargo_plugin_info,
None => match get_first_command_arg(task_config) {
Some(arg) => match install_info.crate_name {
Some(ref crate_name) => (arg, crate_name.to_string()),
None => {
error!("Missing crate name to invoke.");
return Err(CargoMakeError::NotFound(String::from(
"Missing crate name to invoke.",
)));
}
},
None => match install_info.crate_name {
Some(ref crate_name) => {
(crate_name.to_string(), crate_name.to_string())
}
None => {
error!("Missing cargo command to invoke.");
return Err(CargoMakeError::NotFound(String::from(
"Missing crate command to invoke.",
)));
}
},
},
};
cargo_plugin_installer::install_crate(
&toolchain,
Some(&cargo_command),
&crate_name,
&task_config.install_crate_args,
validate,
&install_info.min_version,
&install_info.install_command,
&install_info.force,
)?;
}
InstallCrate::CrateInfo(ref install_info) => crate_installer::install(
&toolchain,
install_info,
&task_config.install_crate_args,
validate,
)?,
InstallCrate::RustupComponentInfo(ref install_info) => {
rustup_component_installer::install(&toolchain, install_info, validate);
}
},
None => match task_config.install_script {
Some(ref script) => {
scriptengine::invoke_script_in_flow_context(
&script,
task_config.script_runner.clone(),
task_config.script_runner_args.clone(),
task_config.script_extension.clone(),
validate,
Some(flow_info),
Some(flow_state),
)?;
()
}
None => match get_cargo_plugin_info_from_command(&task_config) {
Some((cargo_command, crate_name)) => {
cargo_plugin_installer::install_crate(
&toolchain,
Some(&cargo_command),
&crate_name,
&task_config.install_crate_args,
validate,
&None,
&None,
&None,
)?;
}
None => debug!("No installation script defined."),
},
},
};
Ok(())
}