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modify ensure_version_or_cargo_install to check existing binary

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Current implementation uses bin_name to check if it exists,
but it should use tool_root_dir/tool_bin_dir/bin_name instead.
Otherwise the check fails every time, hence the function falls back to
install the binary.
This commit is contained in:
Shunpoco 2025-09-28 09:46:20 +01:00
parent c7f6aa2869
commit 5e9cab3921
1 changed files with 6 additions and 5 deletions
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11
src/tools/tidy/src/lib.rs
View file

@ -167,12 +167,16 @@ pub fn ensure_version_or_cargo_install(
bin_name: &str,
version: &str,
) -> io::Result<PathBuf> {
let tool_root_dir = build_dir.join("misc-tools");
let tool_bin_dir = tool_root_dir.join("bin");
let bin_path = tool_bin_dir.join(bin_name).with_extension(env::consts::EXE_EXTENSION);
// ignore the process exit code here and instead just let the version number check fail.
// we also importantly don't return if the program wasn't installed,
// instead we want to continue to the fallback.
'ck: {
// FIXME: rewrite as if-let chain once this crate is 2024 edition.
let Ok(output) = Command::new(bin_name).arg("--version").output() else {
let Ok(output) = Command::new(&bin_path).arg("--version").output() else {
break 'ck;
};
let Ok(s) = str::from_utf8(&output.stdout) else {
@ -182,12 +186,10 @@ pub fn ensure_version_or_cargo_install(
break 'ck;
};
if v == version {
return Ok(PathBuf::from(bin_name));
return Ok(bin_path);
}
}
let tool_root_dir = build_dir.join("misc-tools");
let tool_bin_dir = tool_root_dir.join("bin");
eprintln!("building external tool {bin_name} from package {pkg_name}@{version}");
// use --force to ensure that if the required version is bumped, we update it.
// use --target-dir to ensure we have a build cache so repeated invocations aren't slow.
@ -213,7 +215,6 @@ pub fn ensure_version_or_cargo_install(
if !cargo_exit_code.success() {
return Err(io::Error::other("cargo install failed"));
}
let bin_path = tool_bin_dir.join(bin_name).with_extension(env::consts::EXE_EXTENSION);
assert!(
matches!(bin_path.try_exists(), Ok(true)),
"cargo install did not produce the expected binary"