Create $RUSTUP_HOME/tmp if needed (#365)

* fix: Create $RUSTUP_HOME/tmp if needed

* style: Simplify create_dir_all error

* docs: Update CHANGELOG.md

* perf: Fix Windows includes

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 ### Fixed
+- Create $RUSTUP_HOME/tmp if needed (#365)
 - Complete Xtensa Rust versions when provided one is incompleted (#366)
 
 ### Removed

src/toolchain/mod.rs

@@ -65,9 +65,8 @@ pub async fn download_file(
             emoji::WRENCH,
             output_directory
         );
-        if create_dir_all(output_directory).is_err() {
+        create_dir_all(output_directory)
-            return Err(Error::CreateDirectory(output_directory.to_string()));
+            .map_err(|_| Error::CreateDirectory(output_directory.to_string()))?;
-        }
     }
     info!(
         "{} Downloading file '{}' from '{}'",

src/toolchain/rust.rs

@@ -17,6 +17,8 @@ use directories::BaseDirs;
 use log::{debug, info, warn};
 use miette::Result;
 use regex::Regex;
+#[cfg(unix)]
+use std::fs::create_dir_all;
 use std::{
     env,
     fmt::Debug,
@@ -225,7 +227,13 @@ impl Installable for XtensaRust {
 
         #[cfg(unix)]
         if cfg!(unix) {
-            let tmp_dir = tempdir_in(get_rustup_home().join("tmp"))?;
+            let path = get_rustup_home().join("tmp");
+            if !path.exists() {
+                info!("{} Creating directory: '{}'", emoji::WRENCH, path.display());
+                create_dir_all(&path)
+                    .map_err(|_| Error::CreateDirectory(path.display().to_string()))?;
+            }
+            let tmp_dir = tempdir_in(path)?;
             let tmp_dir_path = &tmp_dir.path().display().to_string();
 
             download_file(