Base relative cargo configs onto the manifest

This is not correct, but should be equivalent in most cases
This commit is contained in:
Lukas Wirth 2024-12-31 14:52:00 +01:00
parent 551a91aeaa
commit 204c8d704a

View file

@ -1,5 +1,6 @@
//! Cargo-like environment variables injection.
use base_db::Env;
use paths::Utf8Path;
use rustc_hash::FxHashMap;
use toolchain::Tool;
@ -85,7 +86,7 @@ pub(crate) fn cargo_config_env(
// if successful we receive `env.key.value = "value" per entry
tracing::debug!("Discovering cargo config env by {:?}", cargo_config);
utf8_stdout(&mut cargo_config)
.map(parse_output_cargo_config_env)
.map(|stdout| parse_output_cargo_config_env(manifest, stdout))
.inspect(|env| {
tracing::debug!("Discovered cargo config env: {:?}", env);
})
@ -95,18 +96,38 @@ pub(crate) fn cargo_config_env(
.unwrap_or_default()
}
fn parse_output_cargo_config_env(stdout: String) -> Env {
stdout
.lines()
.filter_map(|l| l.strip_prefix("env."))
.filter_map(|l| l.split_once(" = "))
.filter_map(|(k, v)| {
if k.contains('.') {
k.strip_suffix(".value").zip(Some(v))
} else {
Some((k, v))
fn parse_output_cargo_config_env(manifest: &ManifestPath, stdout: String) -> Env {
let mut env = Env::default();
let mut relatives = vec![];
for (key, val) in
stdout.lines().filter_map(|l| l.strip_prefix("env.")).filter_map(|l| l.split_once(" = "))
{
let val = val.trim_matches('"').to_owned();
if let Some((key, modifier)) = key.split_once('.') {
match modifier {
"relative" => relatives.push((key, val)),
"value" => _ = env.insert(key, val),
_ => {
tracing::warn!(
"Unknown modifier in cargo config env: {}, expected `relative` or `value`",
modifier
);
continue;
}
}
})
.map(|(key, value)| (key.to_owned(), value.trim_matches('"').to_owned()))
.collect()
} else {
env.insert(key, val);
}
}
// FIXME: The base here should be the parent of the `.cargo/config` file, not the manifest.
// But cargo does not provide this information.
let base = <_ as AsRef<Utf8Path>>::as_ref(manifest.parent());
for (key, val) in relatives {
if let Some(val) = env.get(&val) {
env.insert(key, base.join(val).to_string());
} else {
env.insert(key, base.to_string());
}
}
env
}