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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use crate::colors;
use crate::config_file::ConfigFile;
use crate::flags::Flags;
use crate::flags::TaskFlags;
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::sync::Arc;
fn get_tasks_config(
maybe_config_file: Option<&ConfigFile>,
) -> Result<BTreeMap<String, String>, AnyError> {
if let Some(config_file) = maybe_config_file {
let maybe_tasks_config = config_file.to_tasks_config()?;
if let Some(tasks_config) = maybe_tasks_config {
for key in tasks_config.keys() {
if key.is_empty() {
bail!("Configuration file task names cannot be empty");
} else if !key
.chars()
.all(|c| c.is_ascii_alphanumeric() || matches!(c, '_' | '-'))
{
bail!("Configuration file task names must only contain alpha-numeric characters, underscores (_), or dashes (-). Task: {}", key);
} else if !key.chars().next().unwrap().is_ascii_alphabetic() {
bail!("Configuration file task names must start with an alphabetic character. Task: {}", key);
}
}
Ok(tasks_config)
} else {
bail!("No tasks found in configuration file")
}
} else {
bail!("No config file found")
}
}
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> {
let flags = Arc::new(flags);
let ps = ProcState::build(flags.clone()).await?;
let tasks_config = get_tasks_config(ps.maybe_config_file.as_ref())?;
let config_file_url = &ps.maybe_config_file.as_ref().unwrap().specifier;
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 = config_file_path.parent().unwrap();
let task_name = task_flags.task;
let maybe_script = tasks_config.get(&task_name);
if let Some(script) = maybe_script {
let additional_args = flags
.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 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)
}
}
#[cfg(test)]
mod test {
use deno_ast::ModuleSpecifier;
use pretty_assertions::assert_eq;
use super::*;
#[test]
fn tasks_no_tasks() {
run_task_error_test(r#"{}"#, "No tasks found in configuration file");
}
#[test]
fn task_name_invalid_chars() {
run_task_error_test(
r#"{
"tasks": {
"build": "deno test",
"some%test": "deno bundle mod.ts"
}
}"#,
concat!(
"Configuration file task names must only contain alpha-numeric ",
"characters, underscores (_), or dashes (-). Task: some%test",
),
);
}
#[test]
fn task_name_non_alpha_starting_char() {
run_task_error_test(
r#"{
"tasks": {
"build": "deno test",
"1test": "deno bundle mod.ts"
}
}"#,
concat!(
"Configuration file task names must start with an ",
"alphabetic character. Task: 1test",
),
);
}
#[test]
fn task_name_empty() {
run_task_error_test(
r#"{
"tasks": {
"build": "deno test",
"": "deno bundle mod.ts"
}
}"#,
"Configuration file task names cannot be empty",
);
}
fn run_task_error_test(config_text: &str, expected_error: &str) {
let config_dir = ModuleSpecifier::parse("file:///deno/").unwrap();
let config_specifier = config_dir.join("tsconfig.json").unwrap();
let config_file = ConfigFile::new(config_text, &config_specifier).unwrap();
assert_eq!(
get_tasks_config(Some(&config_file))
.err()
.unwrap()
.to_string(),
expected_error,
);
}
}
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