rust/rustlings
1
0
Fork 0
mirror of https://github.com/rust-lang/rustlings.git synced 2025-07-03 00:46:57 +02:00
Code Issues Releases Activity

Make gen-dev-cargo-toml a separate package

Browse Source 
so that `cargo install` only installs `rustlings`
This commit is contained in:
mo8it
2024-04-04 23:16:57 +02:00
parent 34375b2ebf
commit 445441ce25
6 changed files with 36 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
src/bin/gen-dev-cargo-toml.rs
View File

@ -1,64 +0,0 @@
// Generates `dev/Cargo.toml` such that it is synced with `info.toml`.
// `dev/Cargo.toml` is a hack to allow using `cargo r` to test `rustlings`
// during development.
use anyhow::{bail, Context, Result};
use serde::Deserialize;
use std::{
fs::{self, create_dir},
io::ErrorKind,
};
#[derive(Deserialize)]
struct Exercise {
name: String,
path: String,
}
#[derive(Deserialize)]
struct InfoToml {
exercises: Vec<Exercise>,
}
fn main() -> Result<()> {
let exercises = toml_edit::de::from_str::<InfoToml>(
&fs::read_to_string("info.toml").context("Failed to read `info.toml`")?,
)
.context("Failed to deserialize `info.toml`")?
.exercises;
let mut buf = Vec::with_capacity(1 << 14);
buf.extend_from_slice(
b"# This file is a hack to allow using `cargo r` to test `rustlings` during development.
# You shouldn't edit it manually. It is created and updated by running `cargo run --bin gen-dev-cargo-toml`.
bin = [\n",
);
for exercise in exercises {
buf.extend_from_slice(b" { name = \"");
buf.extend_from_slice(exercise.name.as_bytes());
buf.extend_from_slice(b"\", path = \"../");
buf.extend_from_slice(exercise.path.as_bytes());
buf.extend_from_slice(b"\" },\n");
}
buf.extend_from_slice(
br#"]
[package]
name = "rustlings"
edition = "2021"
publish = false
"#,
);
if let Err(e) = create_dir("dev") {
if e.kind() != ErrorKind::AlreadyExists {
bail!("Failed to create the `dev` directory: {e}");
}
}
fs::write("dev/Cargo.toml", buf).context("Failed to write `dev/Cargo.toml`")
}