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denoland-deno/cli/tools/task.rs
2022-06-30 14:13:36 -04:00

81 lines
2.5 KiB
Rust

// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use crate::args::Flags;
use crate::args::TaskFlags;
use crate::colors;
use crate::fs_util;
use crate::proc_state::ProcState;
use deno_core::anyhow::bail;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use std::collections::BTreeMap;
use std::collections::HashMap;
use std::path::PathBuf;
fn print_available_tasks(tasks_config: BTreeMap<String, String>) {
eprintln!("{}", colors::green("Available tasks:"));
for name in tasks_config.keys() {
eprintln!("- {}", colors::cyan(name));
eprintln!(" {}", tasks_config[name])
}
}
pub async fn execute_script(
flags: Flags,
task_flags: TaskFlags,
) -> Result<i32, AnyError> {
log::warn!(
"{} deno task is unstable and may drastically change in the future",
crate::colors::yellow("Warning"),
);
let ps = ProcState::build(flags).await?;
let tasks_config = ps.options.resolve_tasks_config()?;
let config_file_url = ps.options.maybe_config_file_specifier().unwrap();
let config_file_path = if config_file_url.scheme() == "file" {
config_file_url.to_file_path().unwrap()
} else {
bail!("Only local configuration files are supported")
};
if task_flags.task.is_empty() {
print_available_tasks(tasks_config);
return Ok(1);
}
let cwd = match task_flags.cwd {
Some(path) => fs_util::canonicalize_path(&PathBuf::from(path))?,
None => config_file_path.parent().unwrap().to_owned(),
};
let task_name = task_flags.task;
let maybe_script = tasks_config.get(&task_name);
if let Some(script) = maybe_script {
let additional_args = ps
.options
.argv()
.iter()
// surround all the additional arguments in double quotes
// and santize any command substition
.map(|a| format!("\"{}\"", a.replace('"', "\\\"").replace('$', "\\$")))
.collect::<Vec<_>>()
.join(" ");
let script = format!("{} {}", script, additional_args);
let script = script.trim();
log::info!(
"{} {} {}",
colors::green("Task"),
colors::cyan(&task_name),
script,
);
let seq_list = deno_task_shell::parser::parse(script)
.with_context(|| format!("Error parsing script '{}'.", task_name))?;
let env_vars = std::env::vars().collect::<HashMap<String, String>>();
let exit_code = deno_task_shell::execute(seq_list, env_vars, &cwd).await;
Ok(exit_code)
} else {
eprintln!("Task not found: {}", task_name);
print_available_tasks(tasks_config);
Ok(1)
}
}