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Use which instead of running rustc --version
This commit is contained in:
mo8it
parent
9c6f56b836
commit
51b4c240ed
3 changed files with 57 additions and 14 deletions
54
Cargo.lock
generated
54
Cargo.lock
generated
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@ -195,6 +195,12 @@ version = "0.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
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[[package]]
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name = "either"
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version = "1.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "11157ac094ffbdde99aa67b23417ebdd801842852b500e395a45a9c0aac03e4a"
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[[package]]
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name = "encode_unicode"
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version = "0.3.6"
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@ -207,6 +213,16 @@ version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
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[[package]]
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name = "errno"
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version = "0.3.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
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dependencies = [
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"libc",
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "filetime"
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version = "0.2.23"
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@ -354,6 +370,12 @@ version = "0.2.153"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
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[[package]]
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name = "linux-raw-sys"
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version = "0.4.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "01cda141df6706de531b6c46c3a33ecca755538219bd484262fa09410c13539c"
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[[package]]
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name = "log"
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version = "0.4.21"
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@ -521,6 +543,19 @@ version = "0.8.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
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[[package]]
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name = "rustix"
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version = "0.38.32"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "65e04861e65f21776e67888bfbea442b3642beaa0138fdb1dd7a84a52dffdb89"
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dependencies = [
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"bitflags 2.4.2",
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"errno",
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"libc",
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"linux-raw-sys",
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "rustlings"
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version = "5.6.1"
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@ -537,6 +572,7 @@ dependencies = [
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"serde",
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"serde_json",
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"toml",
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"which",
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]
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[[package]]
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@ -694,6 +730,18 @@ version = "0.11.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
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[[package]]
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name = "which"
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version = "6.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8211e4f58a2b2805adfbefbc07bab82958fc91e3836339b1ab7ae32465dce0d7"
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dependencies = [
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"either",
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"home",
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"rustix",
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"winsafe",
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]
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[[package]]
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name = "winapi"
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version = "0.3.9"
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@ -865,3 +913,9 @@ checksum = "dffa400e67ed5a4dd237983829e66475f0a4a26938c4b04c21baede6262215b8"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "winsafe"
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version = "0.0.19"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d135d17ab770252ad95e9a872d365cf3090e3be864a34ab46f48555993efc904"
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@ -19,6 +19,7 @@ regex = "1.10.3"
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serde_json = "1.0.114"
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serde = { version = "1.0.197", features = ["derive"] }
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toml = "0.8.10"
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which = "6.0.1"
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[[bin]]
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name = "rustlings"
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16
src/main.rs
16
src/main.rs
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@ -10,7 +10,7 @@ use std::ffi::OsStr;
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use std::fs;
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use std::io::{self, prelude::*};
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use std::path::Path;
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use std::process::{Command, Stdio};
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use std::process::Command;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::mpsc::{channel, RecvTimeoutError};
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use std::sync::{Arc, Mutex};
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@ -100,7 +100,7 @@ fn main() {
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std::process::exit(1);
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}
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if !rustc_exists() {
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if which::which("rustc").is_err() {
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println!("We cannot find `rustc`.");
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println!("Try running `rustc --version` to diagnose your problem.");
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println!("For instructions on how to install Rust, check the README.");
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@ -403,18 +403,6 @@ fn watch(
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}
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}
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fn rustc_exists() -> bool {
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Command::new("rustc")
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.args(["--version"])
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.stdout(Stdio::null())
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.stderr(Stdio::null())
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.stdin(Stdio::null())
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.spawn()
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.and_then(|mut child| child.wait())
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.map(|status| status.success())
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.unwrap_or(false)
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}
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const DEFAULT_OUT: &str = r#"Thanks for installing Rustlings!
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Is this your first time? Don't worry, Rustlings was made for beginners! We are
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