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Fix the generated Cargo.toml after rustlings init

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This commit is contained in:
mo8it
2024-04-21 20:22:01 +02:00
parent 49e4a1fab0
commit 642c3bd37e
6 changed files with 91 additions and 66 deletions
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26
src/init.rs
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@ -6,17 +6,7 @@ use std::{
path::Path,
};
use crate::embedded::EMBEDDED_FILES;
const CARGO_TOML: &[u8] = {
let cargo_toml = include_bytes!("../dev/Cargo.toml");
// Skip the first line (comment).
let mut start_ind = 0;
while cargo_toml[start_ind] != b'\n' {
start_ind += 1;
}
cargo_toml.split_at(start_ind + 1).1
};
use crate::{cargo_toml::updated_cargo_toml, embedded::EMBEDDED_FILES, info_file::InfoFile};
pub fn init() -> Result<()> {
if Path::new("exercises").is_dir() && Path::new("Cargo.toml").is_file() {
@ -38,7 +28,19 @@ pub fn init() -> Result<()> {
.init_exercises_dir()
.context("Failed to initialize the `rustlings/exercises` directory")?;
fs::write("Cargo.toml", CARGO_TOML)
let info_file = InfoFile::parse()?;
let current_cargo_toml = include_str!("../dev/Cargo.toml");
// Skip the first line (comment).
let newline_ind = current_cargo_toml
.as_bytes()
.iter()
.position(|c| *c == b'\n')
.context("The embedded `Cargo.toml` is empty or contains only one line.")?;
let current_cargo_toml =
&current_cargo_toml[(newline_ind + 1).min(current_cargo_toml.len() - 1)..];
let updated_cargo_toml = updated_cargo_toml(&info_file.exercises, current_cargo_toml, b"")
.context("Failed to generate `Cargo.toml`")?;
fs::write("Cargo.toml", updated_cargo_toml)
.context("Failed to create the file `rustlings/Cargo.toml`")?;
fs::write(".gitignore", GITIGNORE)