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Code Issues

Add the format version

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This commit is contained in:
mo8it 2024-04-16 01:22:54 +02:00
parent 7ebc260924
commit 92777c0a44
3 changed files with 15 additions and 1 deletions
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2
info.toml
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@ -1,3 +1,5 @@
format_version = 1
welcome_message = """Is this your first time? Don't worry, Rustlings was made for beginners! We are
going to teach you a lot of things about Rust, but before we can get
started, here's a couple of notes about how Rustlings operates:

1
src/info_file.rs
View File

@ -39,6 +39,7 @@ impl ExerciseInfo {
#[derive(Deserialize)]
pub struct InfoFile {
pub format_version: u8,
pub welcome_message: Option<String>,
pub final_message: Option<String>,
pub exercises: Vec<ExerciseInfo>,

13
src/main.rs
View File

@ -1,4 +1,4 @@
use anyhow::{Context, Result};
use anyhow::{bail, Context, Result};
use app_state::StateFileStatus;
use clap::{Parser, Subcommand};
use crossterm::{
@ -24,6 +24,8 @@ mod watch;
use self::{app_state::AppState, dev::DevCommands, info_file::InfoFile, watch::WatchExit};
const CURRENT_FORMAT_VERSION: u8 = 1;
/// Rustlings is a collection of small exercises to get you used to writing and reading Rust code
#[derive(Parser)]
#[command(version)]
@ -66,6 +68,10 @@ fn main() -> Result<()> {
let info_file = InfoFile::parse()?;
if info_file.format_version > CURRENT_FORMAT_VERSION {
bail!(FORMAT_VERSION_HIGHER_ERR);
}
if matches!(args.command, Some(Subcommands::Init)) {
init::init(&info_file.exercises).context("Initialization failed")?;
println!("{POST_INIT_MSG}");
@ -156,6 +162,11 @@ const CARGO_NOT_FOUND_ERR: &str = "Failed to find `cargo`.
Did you already install Rust?
Try running `cargo --version` to diagnose the problem.";
const FORMAT_VERSION_HIGHER_ERR: &str =
"The format version specified in the `info.toml` file is higher than the last one supported.
It is possible that you have an outdated version of Rustlings.
Try to install the latest Rustlings version first.";
const POST_INIT_MSG: &str = "Done initialization!
Run `cd rustlings` to go into the generated directory.