fix(rust): fix overrides on windows and set cwd (#3359)

This commit is contained in:
David Knaack 2021-12-31 01:24:21 +01:00 committed by GitHub
parent a95332485b
commit 3b7446fdf3
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@ -79,7 +79,7 @@ fn get_module_version(context: &Context, config: &RustConfig) -> Option<String>
.or_else(|| find_rust_toolchain_file(context))
.or_else(|| execute_rustup_default(context))
{
match execute_rustup_run_rustc_version(&toolchain) {
match execute_rustup_run_rustc_version(context, &toolchain) {
RustupRunRustcVersionOutcome::RustcVersion(rustc_version) => {
format_rustc_version(&rustc_version, config.version_format)
}
@ -87,12 +87,12 @@ fn get_module_version(context: &Context, config: &RustConfig) -> Option<String>
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()?, config.version_format)
format_rustc_version(&execute_rustc_version(context)?, config.version_format)
}
RustupRunRustcVersionOutcome::Err => None,
}
} else {
format_rustc_version(&execute_rustc_version()?, config.version_format)
format_rustc_version(&execute_rustc_version(context)?, config.version_format)
}
}
@ -123,15 +123,21 @@ fn extract_toolchain_from_rustup_override_list(stdout: &str, cwd: &Path) -> Opti
if stdout == "no overrides\n" {
return None;
}
// use display version of path, also allows stripping \\?\
let cwd = cwd.to_string_lossy();
// rustup strips \\?\ prefix
#[cfg(windows)]
let cwd = cwd.strip_prefix(r"\\?\").unwrap_or(&cwd);
stdout
.lines()
.filter_map(|line| {
let mut words = line.split_whitespace();
let dir = words.next()?;
let toolchain = words.next()?;
Some((dir, toolchain))
let (dir, toolchain) = line.split_once('\t')?;
Some((dir.trim(), toolchain.trim()))
})
.find(|(dir, _)| cwd.starts_with(dir))
// find most specific match
.filter(|(dir, _)| cwd.starts_with(dir))
.max_by_key(|(dir, _)| dir.len())
.map(|(_, toolchain)| toolchain.to_owned())
}
@ -199,9 +205,16 @@ fn find_rust_toolchain_file(context: &Context) -> Option<String> {
}
}
fn execute_rustup_run_rustc_version(toolchain: &str) -> RustupRunRustcVersionOutcome {
fn execute_rustup_run_rustc_version(
context: &Context,
toolchain: &str,
) -> RustupRunRustcVersionOutcome {
create_command("rustup")
.and_then(|mut cmd| cmd.args(&["run", toolchain, "rustc", "--version"]).output())
.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)
}
@ -222,11 +235,11 @@ fn extract_toolchain_from_rustup_run_rustc_version(output: Output) -> RustupRunR
RustupRunRustcVersionOutcome::Err
}
fn execute_rustc_version() -> Option<String> {
match create_command("rustc").ok()?.arg("--version").output() {
Ok(output) => Some(String::from_utf8(output.stdout).unwrap()),
Err(_) => None,
}
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> {
@ -275,11 +288,13 @@ mod tests {
);
static OVERRIDES_INPUT: &str =
"/home/user/src/a beta-x86_64-unknown-linux-gnu\n\
/home/user/src/b nightly-x86_64-unknown-linux-gnu\n";
"/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";
assert_eq!(
extract_toolchain_from_rustup_override_list(OVERRIDES_INPUT, OVERRIDES_CWD_A.as_ref()),
Some("beta-x86_64-unknown-linux-gnu".to_owned()),
@ -292,6 +307,29 @@ mod tests {
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()),
);
}
#[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))]