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https://github.com/notohh/rustlings.git
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Fix initialization
This commit is contained in:
parent
12504b01e9
commit
cdeb8ce229
2 changed files with 32 additions and 32 deletions
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@ -4,6 +4,7 @@ use crossterm::{
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terminal::{Clear, ClearType},
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ExecutableCommand,
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};
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use serde::Deserialize;
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use std::{
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fs::{self, File},
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io::{Read, StdoutLock, Write},
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@ -32,6 +33,11 @@ pub enum StateFileStatus {
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NotRead,
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}
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#[derive(Deserialize)]
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struct CargoMetadata {
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target_directory: PathBuf,
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}
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pub struct AppState {
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current_exercise_ind: usize,
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exercises: Vec<Exercise>,
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@ -91,8 +97,24 @@ impl AppState {
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pub fn new(
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exercise_infos: Vec<ExerciseInfo>,
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final_message: String,
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target_dir: PathBuf,
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) -> (Self, StateFileStatus) {
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) -> Result<(Self, StateFileStatus)> {
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let metadata_output = Command::new("cargo")
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.arg("metadata")
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.arg("-q")
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.arg("--format-version")
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.arg("1")
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.arg("--no-deps")
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.stdin(Stdio::null())
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.stderr(Stdio::inherit())
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.output()
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.context(CARGO_METADATA_ERR)?
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.stdout;
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let target_dir = serde_json::de::from_slice::<CargoMetadata>(&metadata_output)
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.context(
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"Failed to read the field `target_directory` from the `cargo metadata` output",
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)?
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.target_directory;
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let exercises = exercise_infos
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.into_iter()
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.map(|mut exercise_info| {
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@ -134,7 +156,7 @@ impl AppState {
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let state_file_status = slf.update_from_file();
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(slf, state_file_status)
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Ok((slf, state_file_status))
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}
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#[inline]
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@ -388,6 +410,10 @@ impl AppState {
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}
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}
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const CARGO_METADATA_ERR: &str = "Failed to run the command `cargo metadata …`
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Did you already install Rust?
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Try running `cargo --version` to diagnose the problem.";
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const RERUNNING_ALL_EXERCISES_MSG: &[u8] = b"
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All exercises seem to be done.
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Recompiling and running all exercises to make sure that all of them are actually done.
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32
src/main.rs
32
src/main.rs
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@ -5,11 +5,10 @@ use crossterm::{
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terminal::{Clear, ClearType},
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ExecutableCommand,
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};
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use serde::Deserialize;
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use std::{
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io::{self, BufRead, Write},
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path::{Path, PathBuf},
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process::{exit, Command, Stdio},
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path::Path,
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process::exit,
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};
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use self::{app_state::AppState, dev::DevCommands, info_file::InfoFile, watch::WatchExit};
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@ -77,11 +76,6 @@ enum Subcommands {
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Dev(DevCommands),
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}
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#[derive(Deserialize)]
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struct CargoMetadata {
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target_directory: PathBuf,
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}
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fn in_official_repo() -> bool {
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Path::new("dev/rustlings-repo.txt").exists()
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}
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@ -93,21 +87,6 @@ fn main() -> Result<()> {
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bail!("{OLD_METHOD_ERR}");
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}
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let metadata_output = Command::new("cargo")
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.arg("metadata")
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.arg("-q")
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.arg("--format-version")
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.arg("1")
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.arg("--no-deps")
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.stdin(Stdio::null())
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.stderr(Stdio::inherit())
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.output()
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.context(CARGO_METADATA_ERR)?
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.stdout;
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let target_dir = serde_json::de::from_slice::<CargoMetadata>(&metadata_output)
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.context("Failed to read the field `target_directory` from the `cargo metadata` output")?
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.target_directory;
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match args.command {
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Some(Subcommands::Init) => {
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if DEBUG_PROFILE {
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@ -142,8 +121,7 @@ fn main() -> Result<()> {
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let (mut app_state, state_file_status) = AppState::new(
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info_file.exercises,
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info_file.final_message.unwrap_or_default(),
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target_dir,
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);
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)?;
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if let Some(welcome_message) = info_file.welcome_message {
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match state_file_status {
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@ -219,10 +197,6 @@ The new method doesn't include cloning the Rustlings' repository.
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Please follow the instructions in the README:
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https://github.com/rust-lang/rustlings#getting-started";
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const CARGO_METADATA_ERR: &str = "Failed to run the command `cargo metadata …`
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Did you already install Rust?
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Try running `cargo --version` to diagnose the problem.";
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const FORMAT_VERSION_HIGHER_ERR: &str =
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"The format version specified in the `info.toml` file is higher than the last one supported.
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It is possible that you have an outdated version of Rustlings.
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