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Fix rust-analyzer launcher for Windows paths #4283

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Fix rust-analyzer launcher for Windows paths #4283

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5 changes: 3 additions & 2 deletions tools/rust_analyzer/bin/launcher.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
//! decision on the discover/flycheck side.

use std::{
borrow::Cow,
collections::HashMap,
env, fs,
path::{Path, PathBuf},
Expand Down Expand Up @@ -41,10 +42,10 @@ fn logical_name(exe: &Path) -> Option<String> {
fn resolve_target(paths_path: &Path, logical: &str) -> Result<PathBuf, String> {
let raw = fs::read_to_string(paths_path)
.map_err(|e| format!("reading {}: {e}", paths_path.display()))?;
let map: HashMap<&str, &str> =
let map: HashMap<&str, Cow<'_, str>> =
serde_json::from_str(&raw).map_err(|e| format!("parsing {}: {e}", paths_path.display()))?;
map.get(logical)
.map(PathBuf::from)
.map(|c| PathBuf::from(c.as_ref()))
.ok_or_else(|| format!("no entry for `{logical}` in {}", paths_path.display()))
}

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