136 lines
3.1 KiB
Rust
136 lines
3.1 KiB
Rust
extern crate hyper;
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use std::io;
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use std::process::{Command, ExitStatus};
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use std::path::PathBuf;
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use std::ffi::OsStr;
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/// Tests if a file is in a directory.
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pub fn contains_file(path: &str, file: &str) -> bool {
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let mut path = PathBuf::from(path);
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path.push(file);
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path.exists()
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}
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/// Tries to build a certain directory using the specified builders.
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pub fn run_command(command: &str, path: &str) -> Result<ExitStatus, io::Error> {
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let mut child = match Command::new(command)
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.current_dir(path)
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.spawn() {
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Err(x) => return Err(x),
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Ok(child) => child,
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};
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child.wait()
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}
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/// Run a build commands, and wait untils its finished, returning its result.
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pub fn run_command_with_args<I, S>(command: &str, path: &str, args: I) -> Result<ExitStatus, io::Error> where
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I: IntoIterator<Item=S>,
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S: AsRef<OsStr> {
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let mut child = match Command::new(command)
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.current_dir(path)
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.args(args)
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.spawn() {
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Err(x) => return Err(x),
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Ok(child) => child,
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};
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child.wait()
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}
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/// Tries to build a certain directory using the specified builders.
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pub fn build(path: &PathBuf, builders: Vec<Box<Builder>>) -> Result<(), ()> {
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let mut path = path.clone();
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loop {
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if path.to_str().unwrap() == "/" {
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// Couldn't find a buildable directory
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return Err(());
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}
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for builder in &builders {
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if builder.is_buildable(path.to_str().unwrap()) {
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builder.build(path.to_str().unwrap())?;
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return Ok(());
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}
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}
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path.pop();
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};
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}
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/// Destucture a Result to return a Result<(), ()>
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pub fn destroy<T, E>(result: Result<T, E>) -> Result<(), ()> {
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match result {
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Err(_) => Err(()),
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Ok(_) => Ok(()),
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}
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}
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/// A generic builder. It can build some projects.
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pub trait Builder {
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/// Checks if a directory has corresponding files so it can build it.
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/// e.g.: if there is a Makefile
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fn is_buildable(&self, path: &str) -> bool;
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/// Trigger all the commands to build the project.
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fn build(&self, path: &str) -> Result<(), ()>;
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}
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/// The builder that looks for makefiles.
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pub struct MakeBuilder {
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}
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impl MakeBuilder {
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/// Creates a new make builder.
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pub fn new() -> MakeBuilder {
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MakeBuilder {
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}
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}
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}
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impl Builder for MakeBuilder {
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fn is_buildable(&self, path: &str) -> bool {
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contains_file(path, "Makefile")
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}
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fn build(&self, path: &str) -> Result<(), ()> {
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match run_command("make", path) {
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Ok(_) => Ok(()),
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Err(_) => Err(()),
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}
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}
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}
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/// The builder that looks for Cargo.toml.
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pub struct CargoBuilder {
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}
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impl CargoBuilder {
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/// Creates a new cargo builder.
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pub fn new() -> CargoBuilder {
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CargoBuilder {
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}
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}
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}
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impl Builder for CargoBuilder {
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fn is_buildable(&self, path: &str) -> bool {
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contains_file(path, "Cargo.toml")
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}
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fn build(&self, path: &str) -> Result<(), ()> {
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destroy(run_command_with_args("cargo", path, ["build"].iter()))
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}
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}
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