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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use std::{env, io::Write, process::Command};
use anyhow::{bail, Context, Result};
use fs_err::File;
pub mod gen_ruby;
use camino::Utf8Path;
pub use gen_ruby::{Config, RubyWrapper};
use super::super::interface::ComponentInterface;
// Generate ruby bindings for the given ComponentInterface, in the given output directory.
pub fn write_bindings(
config: &Config,
ci: &ComponentInterface,
out_dir: &Utf8Path,
try_format_code: bool,
) -> Result<()> {
let rb_file = out_dir.join(format!("{}.rb", ci.namespace()));
let mut f = File::create(&rb_file)?;
write!(f, "{}", generate_ruby_bindings(config, ci)?)?;
if try_format_code {
if let Err(e) = Command::new("rubocop").arg("-A").arg(&rb_file).output() {
println!(
"Warning: Unable to auto-format {} using rubocop: {:?}",
rb_file.file_name().unwrap(),
e
)
}
}
Ok(())
}
// Generate ruby bindings for the given ComponentInterface, as a string.
pub fn generate_ruby_bindings(config: &Config, ci: &ComponentInterface) -> Result<String> {
use askama::Template;
RubyWrapper::new(config.clone(), ci)
.render()
.context("failed to render ruby bindings")
}
/// Execute the specifed ruby script, with environment based on the generated
/// artifacts in the given output directory.
pub fn run_script(out_dir: &Utf8Path, script_file: &Utf8Path) -> Result<()> {
let mut cmd = Command::new("ruby");
// This helps ruby find the generated .rb wrapper for rust component.
let rubypath = env::var_os("RUBYLIB").unwrap_or_default();
let rubypath =
env::join_paths(env::split_paths(&rubypath).chain(vec![out_dir.as_std_path().to_owned()]))?;
cmd.env("RUBYLIB", rubypath);
// We should now be able to execute the tests successfully.
cmd.arg(script_file);
let status = cmd
.spawn()
.context("Failed to spawn `ruby` when running script")?
.wait()
.context("Failed to wait for `ruby` when running script")?;
if !status.success() {
bail!("running `ruby` failed")
}
Ok(())
}
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