mirror of
https://github.com/Llewellynvdm/starship.git
synced 2024-12-13 22:38:21 +00:00
2d4b183fce
* refactor: replace module_config_derive with serde Changes include: * Removing `starship_module_config_derive` and replacing it with `serde::Deserialize` * Removing `RootModuleConfig::load_config`. While potentially useful, it was only used in tests. And it would require something like `serde::DeserializeSeed` which is not derived by serde. * Merging `RootModuleConfig` into `ModuleConfig` * Implementing a `ValueDeserializer` that holds a reference to a `toml::Value` in `serde_utils.rs` * Deserialization errors (invalid type) are now logged and include the current key and the struct names * Unknown keys are now considered an error. "Did you mean?"-messages are still possible * fix typo Co-authored-by: Matan Kushner <hello@matchai.dev> Co-authored-by: Matan Kushner <hello@matchai.dev>
602 lines
20 KiB
Rust
602 lines
20 KiB
Rust
use std::fs;
|
|
use std::path::Path;
|
|
#[cfg(windows)]
|
|
use std::path::PathBuf;
|
|
use std::process::Output;
|
|
|
|
use serde::Deserialize;
|
|
|
|
use super::{Context, Module, ModuleConfig};
|
|
|
|
use crate::configs::rust::RustConfig;
|
|
use crate::formatter::{StringFormatter, VersionFormatter};
|
|
use crate::utils::create_command;
|
|
|
|
/// Creates a module with the current Rust version
|
|
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
|
|
let mut module = context.new_module("rust");
|
|
let config = RustConfig::try_load(module.config);
|
|
|
|
let is_rs_project = context
|
|
.try_begin_scan()?
|
|
.set_files(&config.detect_files)
|
|
.set_extensions(&config.detect_extensions)
|
|
.set_folders(&config.detect_folders)
|
|
.is_match();
|
|
|
|
if !is_rs_project {
|
|
return None;
|
|
}
|
|
|
|
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
|
|
formatter
|
|
.map_meta(|var, _| match var {
|
|
"symbol" => Some(config.symbol),
|
|
_ => None,
|
|
})
|
|
.map_style(|variable| match variable {
|
|
"style" => Some(Ok(config.style)),
|
|
_ => None,
|
|
})
|
|
.map(|variable| match variable {
|
|
// This may result in multiple calls to `get_module_version` when a user have
|
|
// multiple `$version` variables defined in `format`.
|
|
"version" => get_module_version(context, &config).map(Ok),
|
|
_ => None,
|
|
})
|
|
.parse(None, Some(context))
|
|
});
|
|
|
|
module.set_segments(match parsed {
|
|
Ok(segments) => segments,
|
|
Err(error) => {
|
|
log::warn!("Error in module `rust`:\n{}", error);
|
|
return None;
|
|
}
|
|
});
|
|
|
|
Some(module)
|
|
}
|
|
|
|
fn get_module_version(context: &Context, config: &RustConfig) -> Option<String> {
|
|
// `$CARGO_HOME/bin/rustc(.exe) --version` may attempt installing a rustup toolchain.
|
|
// https://github.com/starship/starship/issues/417
|
|
//
|
|
// To display appropriate versions preventing `rustc` from downloading toolchains, we have to
|
|
// check
|
|
// 1. `$RUSTUP_TOOLCHAIN`
|
|
// 2. `rustup override list`
|
|
// 3. `rust-toolchain` or `rust-toolchain.toml` in `.` or parent directories
|
|
// 4. `rustup default`
|
|
// as `rustup` does.
|
|
// https://github.com/rust-lang/rustup.rs/tree/eb694fcada7becc5d9d160bf7c623abe84f8971d#override-precedence
|
|
//
|
|
// Probably we have no other way to know whether any toolchain override is specified for the
|
|
// current directory. The following commands also cause toolchain installations.
|
|
// - `rustup show`
|
|
// - `rustup show active-toolchain`
|
|
// - `rustup which`
|
|
if let Some(toolchain) = env_rustup_toolchain(context)
|
|
.or_else(|| execute_rustup_override_list(context))
|
|
.or_else(|| find_rust_toolchain_file(context))
|
|
.or_else(|| execute_rustup_default(context))
|
|
{
|
|
match execute_rustup_run_rustc_version(context, &toolchain) {
|
|
RustupRunRustcVersionOutcome::RustcVersion(rustc_version) => {
|
|
format_rustc_version(&rustc_version, config.version_format)
|
|
}
|
|
RustupRunRustcVersionOutcome::ToolchainName(toolchain) => Some(toolchain),
|
|
RustupRunRustcVersionOutcome::RustupNotWorking => {
|
|
// If `rustup` is not in `$PATH` or cannot be executed for other reasons, we can
|
|
// safely execute `rustc --version`.
|
|
format_rustc_version(&execute_rustc_version(context)?, config.version_format)
|
|
}
|
|
RustupRunRustcVersionOutcome::Err => None,
|
|
}
|
|
} else {
|
|
format_rustc_version(&execute_rustc_version(context)?, config.version_format)
|
|
}
|
|
}
|
|
|
|
fn env_rustup_toolchain(context: &Context) -> Option<String> {
|
|
let val = context.get_env("RUSTUP_TOOLCHAIN")?;
|
|
Some(val.trim().to_owned())
|
|
}
|
|
|
|
fn execute_rustup_override_list(context: &Context) -> Option<String> {
|
|
extract_toolchain_from_rustup_override_list(
|
|
&context.exec_cmd("rustup", &["override", "list"])?.stdout,
|
|
&context.current_dir,
|
|
)
|
|
}
|
|
|
|
fn execute_rustup_default(context: &Context) -> Option<String> {
|
|
// `rustup default` output is:
|
|
// stable-x86_64-apple-darwin (default)
|
|
context
|
|
.exec_cmd("rustup", &["default"])?
|
|
.stdout
|
|
.split_whitespace()
|
|
.next()
|
|
.map(str::to_owned)
|
|
}
|
|
|
|
fn extract_toolchain_from_rustup_override_list(stdout: &str, cwd: &Path) -> Option<String> {
|
|
if stdout == "no overrides\n" {
|
|
return None;
|
|
}
|
|
|
|
#[cfg(windows)]
|
|
let cwd = {
|
|
// use display version of path, also allows stripping \\?\
|
|
let cwd = cwd.to_string_lossy();
|
|
// rustup strips \\?\ prefix,
|
|
// so we do the same and convert back to a `Path`
|
|
PathBuf::from(cwd.strip_prefix(r"\\?\").unwrap_or(&cwd))
|
|
};
|
|
|
|
stdout
|
|
.lines()
|
|
.filter_map(|line| {
|
|
let (dir, toolchain) = line.split_once('\t')?;
|
|
Some((dir.trim(), toolchain.trim()))
|
|
})
|
|
// find most specific match
|
|
.filter(|(dir, _)| cwd.starts_with(dir))
|
|
.max_by_key(|(dir, _)| dir.len())
|
|
.map(|(_, toolchain)| toolchain.to_owned())
|
|
}
|
|
|
|
fn find_rust_toolchain_file(context: &Context) -> Option<String> {
|
|
// Look for 'rust-toolchain' or 'rust-toolchain.toml' as rustup does.
|
|
// for more information:
|
|
// https://rust-lang.github.io/rustup/overrides.html#the-toolchain-file
|
|
// for the implementation in 'rustup':
|
|
// https://github.com/rust-lang/rustup/blob/a45e4cd21748b04472fce51ba29999ee4b62bdec/src/config.rs#L631
|
|
|
|
#[derive(Deserialize)]
|
|
struct OverrideFile {
|
|
toolchain: ToolchainSection,
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
struct ToolchainSection {
|
|
channel: Option<String>,
|
|
}
|
|
|
|
fn read_channel(path: &Path, only_toml: bool) -> Option<String> {
|
|
let contents = fs::read_to_string(path).ok()?;
|
|
|
|
match contents.lines().count() {
|
|
0 => None,
|
|
1 if !only_toml => Some(contents),
|
|
_ => {
|
|
toml::from_str::<OverrideFile>(&contents)
|
|
.ok()?
|
|
.toolchain
|
|
.channel
|
|
}
|
|
}
|
|
.filter(|c| !c.trim().is_empty())
|
|
.map(|c| c.trim().to_owned())
|
|
}
|
|
|
|
if context
|
|
.dir_contents()
|
|
.map_or(false, |dir| dir.has_file("rust-toolchain"))
|
|
{
|
|
if let Some(toolchain) = read_channel(Path::new("rust-toolchain"), false) {
|
|
return Some(toolchain);
|
|
}
|
|
}
|
|
|
|
if context
|
|
.dir_contents()
|
|
.map_or(false, |dir| dir.has_file("rust-toolchain.toml"))
|
|
{
|
|
if let Some(toolchain) = read_channel(Path::new("rust-toolchain.toml"), true) {
|
|
return Some(toolchain);
|
|
}
|
|
}
|
|
|
|
let mut dir = &*context.current_dir;
|
|
loop {
|
|
if let Some(toolchain) = read_channel(&dir.join("rust-toolchain"), false) {
|
|
return Some(toolchain);
|
|
}
|
|
if let Some(toolchain) = read_channel(&dir.join("rust-toolchain.toml"), true) {
|
|
return Some(toolchain);
|
|
}
|
|
dir = dir.parent()?;
|
|
}
|
|
}
|
|
|
|
fn execute_rustup_run_rustc_version(
|
|
context: &Context,
|
|
toolchain: &str,
|
|
) -> RustupRunRustcVersionOutcome {
|
|
create_command("rustup")
|
|
.and_then(|mut cmd| {
|
|
cmd.args(&["run", toolchain, "rustc", "--version"])
|
|
.current_dir(&context.current_dir)
|
|
.output()
|
|
})
|
|
.map(extract_toolchain_from_rustup_run_rustc_version)
|
|
.unwrap_or(RustupRunRustcVersionOutcome::RustupNotWorking)
|
|
}
|
|
|
|
fn extract_toolchain_from_rustup_run_rustc_version(output: Output) -> RustupRunRustcVersionOutcome {
|
|
if output.status.success() {
|
|
if let Ok(output) = String::from_utf8(output.stdout) {
|
|
return RustupRunRustcVersionOutcome::RustcVersion(output);
|
|
}
|
|
} else if let Ok(stderr) = String::from_utf8(output.stderr) {
|
|
if stderr.starts_with("error: toolchain '") && stderr.ends_with("' is not installed\n") {
|
|
let stderr = stderr
|
|
["error: toolchain '".len()..stderr.len() - "' is not installed\n".len()]
|
|
.to_owned();
|
|
return RustupRunRustcVersionOutcome::ToolchainName(stderr);
|
|
}
|
|
}
|
|
RustupRunRustcVersionOutcome::Err
|
|
}
|
|
|
|
fn execute_rustc_version(context: &Context) -> Option<String> {
|
|
context
|
|
.exec_cmd("rustc", &["--version"])
|
|
.map(|o| o.stdout)
|
|
.filter(|s| !s.is_empty())
|
|
}
|
|
|
|
fn format_rustc_version(rustc_version: &str, version_format: &str) -> Option<String> {
|
|
let version = rustc_version
|
|
// split into ["rustc", "1.34.0", ...]
|
|
.split_whitespace()
|
|
// get down to "1.34.0"
|
|
.nth(1)?;
|
|
|
|
match VersionFormatter::format_version(version, version_format) {
|
|
Ok(formatted) => Some(formatted),
|
|
Err(error) => {
|
|
log::warn!("Error formatting `rust` version:\n{}", error);
|
|
Some(format!("v{}", version))
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, PartialEq)]
|
|
enum RustupRunRustcVersionOutcome {
|
|
RustcVersion(String),
|
|
ToolchainName(String),
|
|
RustupNotWorking,
|
|
Err,
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use crate::context::{Shell, Target};
|
|
use once_cell::sync::Lazy;
|
|
use std::io;
|
|
use std::process::{ExitStatus, Output};
|
|
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_extract_toolchain_from_rustup_override_list() {
|
|
static NO_OVERRIDES_INPUT: &str = "no overrides\n";
|
|
static NO_OVERRIDES_CWD: &str = "";
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(
|
|
NO_OVERRIDES_INPUT,
|
|
NO_OVERRIDES_CWD.as_ref(),
|
|
),
|
|
None,
|
|
);
|
|
|
|
static OVERRIDES_INPUT: &str =
|
|
"/home/user/src/a \t beta-x86_64-unknown-linux-gnu\n\
|
|
/home/user/src/b \t nightly-x86_64-unknown-linux-gnu\n\
|
|
/home/user/src/b/d c \t stable-x86_64-pc-windows-msvc\n";
|
|
static OVERRIDES_CWD_A: &str = "/home/user/src/a/src";
|
|
static OVERRIDES_CWD_B: &str = "/home/user/src/b/tests";
|
|
static OVERRIDES_CWD_C: &str = "/home/user/src/c/examples";
|
|
static OVERRIDES_CWD_D: &str = "/home/user/src/b/d c/spaces";
|
|
static OVERRIDES_CWD_E: &str = "/home/user/src/b_and_more";
|
|
static OVERRIDES_CWD_F: &str = "/home/user/src/b";
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_A.as_ref()),
|
|
Some("beta-x86_64-unknown-linux-gnu".to_owned()),
|
|
);
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_B.as_ref()),
|
|
Some("nightly-x86_64-unknown-linux-gnu".to_owned()),
|
|
);
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_C.as_ref()),
|
|
None,
|
|
);
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_D.as_ref()),
|
|
Some("stable-x86_64-pc-windows-msvc".to_owned()),
|
|
);
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_E.as_ref()),
|
|
None,
|
|
);
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_F.as_ref()),
|
|
Some("nightly-x86_64-unknown-linux-gnu".to_owned()),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
#[cfg(windows)]
|
|
fn test_extract_toolchain_from_rustup_override_list_win() {
|
|
static OVERRIDES_INPUT: &str =
|
|
"C:\\src \t beta-x86_64-unknown-linux-gnu\n";
|
|
static OVERRIDES_CWD_A: &str = r"\\?\C:\src";
|
|
static OVERRIDES_CWD_B: &str = r"C:\src";
|
|
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_A.as_ref()),
|
|
Some("beta-x86_64-unknown-linux-gnu".to_owned()),
|
|
);
|
|
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_B.as_ref()),
|
|
Some("beta-x86_64-unknown-linux-gnu".to_owned()),
|
|
);
|
|
}
|
|
|
|
#[cfg(any(unix, windows))]
|
|
#[test]
|
|
fn test_extract_toolchain_from_rustup_run_rustc_version() {
|
|
#[cfg(unix)]
|
|
use std::os::unix::process::ExitStatusExt as _;
|
|
#[cfg(windows)]
|
|
use std::os::windows::process::ExitStatusExt as _;
|
|
|
|
static RUSTC_VERSION: Lazy<Output> = Lazy::new(|| Output {
|
|
status: ExitStatus::from_raw(0),
|
|
stdout: b"rustc 1.34.0\n"[..].to_owned(),
|
|
stderr: vec![],
|
|
});
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_run_rustc_version(RUSTC_VERSION.clone()),
|
|
RustupRunRustcVersionOutcome::RustcVersion("rustc 1.34.0\n".to_owned()),
|
|
);
|
|
|
|
static TOOLCHAIN_NAME: Lazy<Output> = Lazy::new(|| Output {
|
|
status: ExitStatus::from_raw(1),
|
|
stdout: vec![],
|
|
stderr: b"error: toolchain 'channel-triple' is not installed\n"[..].to_owned(),
|
|
});
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_run_rustc_version(TOOLCHAIN_NAME.clone()),
|
|
RustupRunRustcVersionOutcome::ToolchainName("channel-triple".to_owned()),
|
|
);
|
|
|
|
static INVALID_STDOUT: Lazy<Output> = Lazy::new(|| Output {
|
|
status: ExitStatus::from_raw(0),
|
|
stdout: b"\xc3\x28"[..].to_owned(),
|
|
stderr: vec![],
|
|
});
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_run_rustc_version(INVALID_STDOUT.clone()),
|
|
RustupRunRustcVersionOutcome::Err,
|
|
);
|
|
|
|
static INVALID_STDERR: Lazy<Output> = Lazy::new(|| Output {
|
|
status: ExitStatus::from_raw(1),
|
|
stdout: vec![],
|
|
stderr: b"\xc3\x28"[..].to_owned(),
|
|
});
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_run_rustc_version(INVALID_STDERR.clone()),
|
|
RustupRunRustcVersionOutcome::Err,
|
|
);
|
|
|
|
static UNEXPECTED_FORMAT_OF_ERROR: Lazy<Output> = Lazy::new(|| Output {
|
|
status: ExitStatus::from_raw(1),
|
|
stdout: vec![],
|
|
stderr: b"error:"[..].to_owned(),
|
|
});
|
|
assert_eq!(
|
|
extract_toolchain_from_rustup_run_rustc_version(UNEXPECTED_FORMAT_OF_ERROR.clone()),
|
|
RustupRunRustcVersionOutcome::Err,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_format_rustc_version() {
|
|
let config = RustConfig::default();
|
|
let rustc_stable = "rustc 1.34.0 (91856ed52 2019-04-10)";
|
|
let rustc_beta = "rustc 1.34.0-beta.1 (2bc1d406d 2019-04-10)";
|
|
let rustc_nightly = "rustc 1.34.0-nightly (b139669f3 2019-04-10)";
|
|
assert_eq!(
|
|
format_rustc_version(rustc_nightly, config.version_format),
|
|
Some("v1.34.0-nightly".to_string())
|
|
);
|
|
assert_eq!(
|
|
format_rustc_version(rustc_beta, config.version_format),
|
|
Some("v1.34.0-beta.1".to_string())
|
|
);
|
|
assert_eq!(
|
|
format_rustc_version(rustc_stable, config.version_format),
|
|
Some("v1.34.0".to_string())
|
|
);
|
|
assert_eq!(
|
|
format_rustc_version("rustc 1.34.0", config.version_format),
|
|
Some("v1.34.0".to_string())
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_find_rust_toolchain_file() -> io::Result<()> {
|
|
// `rust-toolchain` with toolchain in one line
|
|
let dir = tempfile::tempdir()?;
|
|
fs::write(dir.path().join("rust-toolchain"), "1.34.0")?;
|
|
|
|
let context = Context::new_with_shell_and_path(
|
|
Default::default(),
|
|
Shell::Unknown,
|
|
Target::Main,
|
|
dir.path().into(),
|
|
dir.path().into(),
|
|
);
|
|
|
|
assert_eq!(
|
|
find_rust_toolchain_file(&context),
|
|
Some("1.34.0".to_owned())
|
|
);
|
|
dir.close()?;
|
|
|
|
// `rust-toolchain` in toml format
|
|
let dir = tempfile::tempdir()?;
|
|
fs::write(
|
|
dir.path().join("rust-toolchain"),
|
|
"[toolchain]\nchannel = \"1.34.0\"",
|
|
)?;
|
|
|
|
let context = Context::new_with_shell_and_path(
|
|
Default::default(),
|
|
Shell::Unknown,
|
|
Target::Main,
|
|
dir.path().into(),
|
|
dir.path().into(),
|
|
);
|
|
|
|
assert_eq!(
|
|
find_rust_toolchain_file(&context),
|
|
Some("1.34.0".to_owned())
|
|
);
|
|
dir.close()?;
|
|
|
|
// `rust-toolchain` in toml format with new lines
|
|
let dir = tempfile::tempdir()?;
|
|
fs::write(
|
|
dir.path().join("rust-toolchain"),
|
|
"\n\n[toolchain]\n\n\nchannel = \"1.34.0\"",
|
|
)?;
|
|
|
|
let context = Context::new_with_shell_and_path(
|
|
Default::default(),
|
|
Shell::Unknown,
|
|
Target::Main,
|
|
dir.path().into(),
|
|
dir.path().into(),
|
|
);
|
|
|
|
assert_eq!(
|
|
find_rust_toolchain_file(&context),
|
|
Some("1.34.0".to_owned())
|
|
);
|
|
dir.close()?;
|
|
|
|
// `rust-toolchain` in parent directory.
|
|
let dir = tempfile::tempdir()?;
|
|
let child_dir_path = dir.path().join("child");
|
|
fs::create_dir(&child_dir_path)?;
|
|
fs::write(
|
|
dir.path().join("rust-toolchain"),
|
|
"\n\n[toolchain]\n\n\nchannel = \"1.34.0\"",
|
|
)?;
|
|
|
|
let context = Context::new_with_shell_and_path(
|
|
Default::default(),
|
|
Shell::Unknown,
|
|
Target::Main,
|
|
child_dir_path.clone(),
|
|
child_dir_path,
|
|
);
|
|
|
|
assert_eq!(
|
|
find_rust_toolchain_file(&context),
|
|
Some("1.34.0".to_owned())
|
|
);
|
|
dir.close()?;
|
|
|
|
// `rust-toolchain.toml` with toolchain in one line
|
|
// This should not work!
|
|
// See https://rust-lang.github.io/rustup/overrides.html#the-toolchain-file
|
|
let dir = tempfile::tempdir()?;
|
|
fs::write(dir.path().join("rust-toolchain.toml"), "1.34.0")?;
|
|
|
|
let context = Context::new_with_shell_and_path(
|
|
Default::default(),
|
|
Shell::Unknown,
|
|
Target::Main,
|
|
dir.path().into(),
|
|
dir.path().into(),
|
|
);
|
|
|
|
assert_eq!(find_rust_toolchain_file(&context), None);
|
|
dir.close()?;
|
|
|
|
// `rust-toolchain.toml` in toml format
|
|
let dir = tempfile::tempdir()?;
|
|
fs::write(
|
|
dir.path().join("rust-toolchain.toml"),
|
|
"[toolchain]\nchannel = \"1.34.0\"",
|
|
)?;
|
|
|
|
let context = Context::new_with_shell_and_path(
|
|
Default::default(),
|
|
Shell::Unknown,
|
|
Target::Main,
|
|
dir.path().into(),
|
|
dir.path().into(),
|
|
);
|
|
|
|
assert_eq!(
|
|
find_rust_toolchain_file(&context),
|
|
Some("1.34.0".to_owned())
|
|
);
|
|
dir.close()?;
|
|
|
|
// `rust-toolchain.toml` in toml format with new lines
|
|
let dir = tempfile::tempdir()?;
|
|
fs::write(
|
|
dir.path().join("rust-toolchain.toml"),
|
|
"\n\n[toolchain]\n\n\nchannel = \"1.34.0\"",
|
|
)?;
|
|
|
|
let context = Context::new_with_shell_and_path(
|
|
Default::default(),
|
|
Shell::Unknown,
|
|
Target::Main,
|
|
dir.path().into(),
|
|
dir.path().into(),
|
|
);
|
|
|
|
assert_eq!(
|
|
find_rust_toolchain_file(&context),
|
|
Some("1.34.0".to_owned())
|
|
);
|
|
dir.close()?;
|
|
|
|
// `rust-toolchain.toml` in parent directory.
|
|
let dir = tempfile::tempdir()?;
|
|
let child_dir_path = dir.path().join("child");
|
|
fs::create_dir(&child_dir_path)?;
|
|
fs::write(
|
|
dir.path().join("rust-toolchain.toml"),
|
|
"\n\n[toolchain]\n\n\nchannel = \"1.34.0\"",
|
|
)?;
|
|
|
|
let context = Context::new_with_shell_and_path(
|
|
Default::default(),
|
|
Shell::Unknown,
|
|
Target::Main,
|
|
child_dir_path.clone(),
|
|
child_dir_path,
|
|
);
|
|
|
|
assert_eq!(
|
|
find_rust_toolchain_file(&context),
|
|
Some("1.34.0".to_owned())
|
|
);
|
|
dir.close()
|
|
}
|
|
}
|