Make executable extension platform, rather than environment dependent

src/tools/opt-dist/src/environment/linux.rs

@@ -57,10 +57,6 @@ fn supports_shared_llvm(&self) -> bool {
         true
     }
 
-    fn executable_extension(&self) -> &'static str {
-        ""
-    }
-
     fn skipped_tests(&self) -> &'static [&'static str] {
         &[
             // Fails because of linker errors, as of June 2023.

src/tools/opt-dist/src/environment/mod.rs

@@ -31,21 +31,21 @@ fn cargo_stage_0(&self) -> Utf8PathBuf {
         self.build_artifacts()
             .join("stage0")
             .join("bin")
-            .join(format!("cargo{}", self.executable_extension()))
+            .join(format!("cargo{}", executable_extension()))
     }
 
     fn rustc_stage_0(&self) -> Utf8PathBuf {
         self.build_artifacts()
             .join("stage0")
             .join("bin")
-            .join(format!("rustc{}", self.executable_extension()))
+            .join(format!("rustc{}", executable_extension()))
     }
 
     fn rustc_stage_2(&self) -> Utf8PathBuf {
         self.build_artifacts()
             .join("stage2")
             .join("bin")
-            .join(format!("rustc{}", self.executable_extension()))
+            .join(format!("rustc{}", executable_extension()))
     }
 
     /// Path to the built rustc-perf benchmark suite.
@@ -60,9 +60,6 @@ fn rustc_perf_dir(&self) -> Utf8PathBuf {
 
     fn supports_shared_llvm(&self) -> bool;
 
-    /// What is the extension of binary executables in this environment?
-    fn executable_extension(&self) -> &'static str;
-
     /// List of test paths that should be skipped when testing the optimized artifacts.
     fn skipped_tests(&self) -> &'static [&'static str];
 }
@@ -73,3 +70,14 @@ pub fn create_environment(target_triple: String) -> Box<dyn Environment> {
     #[cfg(target_family = "windows")]
     return Box::new(windows::WindowsEnvironment::new(target_triple));
 }
+
+/// What is the extension of binary executables on this platform?
+#[cfg(target_family = "unix")]
+pub fn executable_extension() -> &'static str {
+    ""
+}
+
+#[cfg(target_family = "windows")]
+pub fn executable_extension() -> &'static str {
+    ".exe"
+}

src/tools/opt-dist/src/environment/windows.rs

@@ -84,10 +84,6 @@ fn supports_shared_llvm(&self) -> bool {
         false
     }
 
-    fn executable_extension(&self) -> &'static str {
-        ".exe"
-    }
-
     fn skipped_tests(&self) -> &'static [&'static str] {
         &[
             // Fails as of June 2023.

src/tools/opt-dist/src/tests.rs

@@ -1,4 +1,4 @@
-use crate::environment::Environment;
+use crate::environment::{executable_extension, Environment};
 use crate::exec::cmd;
 use crate::utils::io::{copy_directory, find_file_in_dir, unpack_archive};
 use anyhow::Context;
@@ -45,9 +45,9 @@ pub fn run_tests(env: &dyn Environment) -> anyhow::Result<()> {
         &rustc_dir.join("lib").join("rustlib").join("src"),
     )?;
 
-    let rustc_path = rustc_dir.join("bin").join(format!("rustc{}", env.executable_extension()));
+    let rustc_path = rustc_dir.join("bin").join(format!("rustc{}", executable_extension()));
     assert!(rustc_path.is_file());
-    let cargo_path = cargo_dir.join("bin").join(format!("cargo{}", env.executable_extension()));
+    let cargo_path = cargo_dir.join("bin").join(format!("cargo{}", executable_extension()));
     assert!(cargo_path.is_file());
 
     // Specify path to a LLVM config so that LLVM is not rebuilt.
@@ -56,7 +56,7 @@ pub fn run_tests(env: &dyn Environment) -> anyhow::Result<()> {
         .build_artifacts()
         .join("llvm")
         .join("bin")
-        .join(format!("llvm-config{}", env.executable_extension()));
+        .join(format!("llvm-config{}", executable_extension()));
     assert!(llvm_config.is_file());
 
     let config_content = format!(

src/tools/opt-dist/src/training.rs

@@ -1,4 +1,4 @@
-use crate::environment::Environment;
+use crate::environment::{executable_extension, Environment};
 use crate::exec::{cmd, CmdBuilder};
 use crate::utils::io::{count_files, delete_directory};
 use crate::utils::with_log_group;
@@ -86,7 +86,7 @@ fn merge_llvm_profiles(
             .build_artifacts()
             .join("llvm")
             .join("build")
-            .join(format!("bin/llvm-profdata{}", env.executable_extension())),
+            .join(format!("bin/llvm-profdata{}", executable_extension())),
     };
 
     cmd(&[llvm_profdata.as_str(), "merge", "-o", merged_path.as_str(), profile_dir.as_str()])