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use std::fs::{self, File};
use std::io::Write;
use std::path::PathBuf;
use crate::CommandError;
pub fn new(path: &PathBuf, name: Option<&str>) -> Result<(), CommandError> {
if path.exists() {
return Err(CommandError(format!(
"destination `{}' already exists",
path.to_str().unwrap()
)));
}
fs::create_dir_all(path.join("src"))?;
let name = name.or_else(|| path.file_name()?.to_str()).unwrap();
let mut file = File::create(path.join("Cargo.toml"))?;
write!(
&mut file,
r#"[package]
name = "{}"
version = "0.1.0"
edition = '2018'
[dependencies]
cty = "0.2"
redbpf-macros = "2.3.0"
redbpf-probes = "2.3.0"
[build-dependencies]
cargo-bpf = {{ version = "2.3.0", default-features = false }}
[features]
default = []
probes = []
[lib]
path = "src/lib.rs"
"#,
name
)?;
let mut file = File::create(path.join("src").join("lib.rs"))?;
write!(
&mut file,
r#"
#![no_std]
"#
)?;
Ok(())
}