use std::io::Write;
use std::{env, fs::File, io, path::Path};
fn main() -> io::Result<()> {
let out_dir = env::var("OUT_DIR").expect("can't figure target dir 😕");
let dest_path = Path::new(&out_dir).join("constants.rs");
let mut constants = File::create(dest_path)?;
let user_agent = format!(
"{}@{}",
env!("CARGO_PKG_REPOSITORY")
.split("/")
.last()
.unwrap_or(env!("CARGO_PKG_NAME")),
env!("CARGO_PKG_VERSION")
);
write!(
&mut constants,
r#"pub const USER_AGENT: &str = "{}";"#,
user_agent
)?;
Ok(())
}