initial commit

Build with two-way-sync works, still a bit hacky.

.gitignore

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+
+/target/
+**/*.rs.bk
+### Rust template
+# Generated by Cargo
+# will have compiled files and executables
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here http://doc.crates.io/guide.html#cargotoml-vs-cargolock
+Cargo.lock
+
+# These are backup files generated by rustfmt
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# CMake
+cmake-build-debug/
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# project file
+cargo-remote.iml

Cargo.toml

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+[package]
+name = "cargo-remote"
+version = "0.1.0"
+authors = ["Sebastian Geisler <sgeisler@agdsn.de>"]
+
+[dependencies]
+structopt = "0.1.6"
+structopt-derive = "0.1.6"
+cargo_metadata = "0.4.0"
+log = "0.4.1"
+simple_logger = "0.4.0"

src/main.rs

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+extern crate structopt;
+#[macro_use]
+extern crate structopt_derive;
+
+extern crate cargo_metadata;
+
+#[macro_use] extern crate log;
+extern crate simple_logger;
+
+use std::process::{exit, Command, Stdio};
+use std::ffi::OsString;
+use std::path::Path;
+
+use structopt::StructOpt;
+
+#[derive(StructOpt, Debug)]
+#[structopt(name = "cargo remote")]
+struct Opts {
+    // workaround for "remote" argument when calling "cargo remote"
+    _unused: String,
+    #[structopt(subcommand)]
+    command: Cmd,
+    #[structopt(short = "r", long = "remote", help = "remote ssh build server")]
+    remote: String
+}
+
+#[derive(StructOpt, Debug)]
+enum Cmd {
+    #[structopt(name="build", help = "Build cargo project remotely and copy back target folder")]
+    Build,
+}
+
+fn main() {
+    simple_logger::init().unwrap();
+
+    let options = Opts::from_args();
+    // TODO: add manifest_path option
+    let project_metadata = cargo_metadata::metadata(None).unwrap_or_else(|e| {
+        error!("Could not read cargo metadata: {}", e);
+        exit(-1);
+    });
+
+    // for now, assume that there is only one project and find it's root directory
+    let (project_dir, project_name) = project_metadata.packages.first().map_or_else(|| {
+        error!("No project found.");
+        exit(-2);
+    }, |project| {
+        (
+            Path::new(&project.manifest_path).parent().expect("Cargo.toml seems to have no parent directory?"),
+            &project.name
+        )
+    });
+
+    let build_server = options.remote;
+
+    match options.command {
+        Build => {
+            info!("Transferring sources to build server.");
+            // transfer project to build server
+            Command::new("rsync")
+                .arg("-a")
+                .arg("--delete")
+                .arg("--info=progress2")
+                .arg("--exclude")
+                .arg("target")
+                .arg(format!("{}/", project_dir.to_string_lossy()))
+                .arg(format!("{}:/tmp/remote-build-{}/", build_server, project_name))
+                .stdout(Stdio::inherit())
+                .stderr(Stdio::inherit())
+                .stdin(Stdio::inherit())
+                .output()
+                .expect("failed to transfer project to build server");
+
+            let build_command = format!("cd /tmp/remote-build-{}/; $HOME/.cargo/bin/cargo build", project_name);
+
+            info!("Starting build process.");
+            Command::new("ssh")
+                .arg(&build_server)
+                .arg(build_command)
+                .stdout(Stdio::inherit())
+                .stderr(Stdio::inherit())
+                .stdin(Stdio::inherit())
+                .output()
+                .expect("failed to build project");
+
+            info!("Transferring artifacts back to client.");
+            Command::new("rsync")
+                .arg("-a")
+                .arg("--delete")
+                .arg("--info=progress2")
+                .arg(format!("{}:/tmp/remote-build-{}/target/", build_server, project_name))
+                .arg(format!("{}/target/", project_dir.to_string_lossy()))
+                .stdout(Stdio::inherit())
+                .stderr(Stdio::inherit())
+                .stdin(Stdio::inherit())
+                .output()
+                .expect("failed to transfer built project to client");
+
+        }
+    }
+}