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use std::path::PathBuf;
// Keep startup failures available to the UI, including an unwritable working directory.
pub struct Compiler(pub Result<PathBuf, String>);
impl Compiler {
pub fn load() -> Self {
Self(executable().map_err(|error| format!("Cannot load compiler: {error}")))
}
}
#[cfg(not(windows))]
fn executable() -> std::io::Result<PathBuf> {
Ok(std::env::current_exe()?.with_file_name("cpsc"))
}
#[cfg(windows)]
fn executable() -> std::io::Result<PathBuf> {
use std::{
fs::{self, File},
io,
};
let directory = std::env::current_dir()?;
let destination = directory.join("cpsc.exe");
let staged = directory.join(format!(".cpsc-{}.tmp", std::process::id()));
let result = (|| {
let mut compressed = flate2::read::GzDecoder::new(
&include_bytes!(concat!(env!("CARGO_MANIFEST_DIR"), "/binaries/cpsc.exe.gz"))[..],
);
let mut file = File::create(&staged)?;
io::copy(&mut compressed, &mut file)?;
drop(file);
fs::rename(&staged, &destination)?;
Ok(destination)
})();
if result.is_err() {
let _ = fs::remove_file(staged);
}
result
}
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