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115 lines
3.7 KiB
Rust
115 lines
3.7 KiB
Rust
extern crate structopt;
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#[macro_use]
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extern crate structopt_derive;
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extern crate cargo_metadata;
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#[macro_use] extern crate log;
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extern crate simple_logger;
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extern crate toml;
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use std::process::{exit, Command, Stdio};
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use std::ffi::OsString;
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use std::path::Path;
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use std::fs::File;
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use std::io::{BufReader, Read};
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use structopt::StructOpt;
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use toml::Value;
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#[derive(StructOpt, Debug)]
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#[structopt(name = "cargo remote")]
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struct Opts {
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// workaround for "remote" argument when calling "cargo remote"
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_unused: String,
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command: String,
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#[structopt(short = "r", long = "remote", help = "remote ssh build server")]
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remote: Option<String>
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}
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fn main() {
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simple_logger::init().unwrap();
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let options = Opts::from_args();
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// TODO: add manifest_path option
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let project_metadata = cargo_metadata::metadata(None).unwrap_or_else(|e| {
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error!("Could not read cargo metadata: {}", e);
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exit(-1);
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});
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// for now, assume that there is only one project and find it's root directory
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let (project_dir, project_name) = project_metadata.packages.first().map_or_else(|| {
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error!("No project found.");
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exit(-2);
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}, |project| {
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(
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Path::new(&project.manifest_path)
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.parent()
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.expect("Cargo.toml seems to have no parent directory?"),
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&project.name
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)
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});
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let build_server = options.remote.unwrap_or_else(|| {
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let config_path = project_dir.join(".cargo-remote.toml");
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File::open(config_path).ok().and_then(|mut file| {
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let mut config_file_string = "".to_owned();
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file.read_to_string(&mut config_file_string);
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config_file_string.parse::<Value>().ok()
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}).and_then(|value| {
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value["remote"].as_str().map(str::to_owned)
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}).unwrap_or_else(|| {
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error!("No remote build server was defined (use config file or --remote flag)");
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exit(-3);
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})
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});
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match options.command {
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Build => {
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info!("Transferring sources to build server.");
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// transfer project to build server
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Command::new("rsync")
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.arg("-a")
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.arg("--delete")
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.arg("--info=progress2")
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.arg("--exclude")
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.arg("target")
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.arg(format!("{}/", project_dir.to_string_lossy()))
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.arg(format!("{}:/tmp/remote-build-{}/", build_server, project_name))
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.stdout(Stdio::inherit())
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.stderr(Stdio::inherit())
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.stdin(Stdio::inherit())
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.output()
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.expect("failed to transfer project to build server");
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let build_command = format!("cd /tmp/remote-build-{}/; $HOME/.cargo/bin/cargo build", project_name);
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info!("Starting build process.");
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Command::new("ssh")
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.arg(&build_server)
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.arg(build_command)
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.stdout(Stdio::inherit())
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.stderr(Stdio::inherit())
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.stdin(Stdio::inherit())
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.output()
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.expect("failed to build project");
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info!("Transferring artifacts back to client.");
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Command::new("rsync")
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.arg("-a")
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.arg("--delete")
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.arg("--info=progress2")
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.arg(format!("{}:/tmp/remote-build-{}/target/", build_server, project_name))
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.arg(format!("{}/target/", project_dir.to_string_lossy()))
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.stdout(Stdio::inherit())
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.stderr(Stdio::inherit())
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.stdin(Stdio::inherit())
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.output()
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.expect("failed to transfer built project to client");
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}
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}
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}
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