Rollup merge of #99043 - compiler-errors:derive-nit, r=cjgillot

[rust.git] / src / bootstrap / lib.rs

diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index 73bd588472df0f1ed5d78ea90ec2789f2dd34704..82025efcbe0e5f599ff959b8643cd889cc15b19e 100644 (file)
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -109,7 +109,7 @@
 use std::fs::{self, File};
 use std::io;
 use std::path::{Path, PathBuf};
-use std::process::{self, Command};
+use std::process::Command;
 use std::str;
 
 use filetime::FileTime;
@@ -711,7 +711,7 @@ pub fn build(&mut self) {
             for failure in failures.iter() {
                 eprintln!("  - {}\n", failure);
             }
-            process::exit(1);
+            detail_exit(1);
         }
 
         #[cfg(feature = "build-metrics")]
@@ -1617,7 +1617,7 @@ fn ninja(&self) -> bool {
 to download LLVM rather than building it.
 "
                 );
-                std::process::exit(1);
+                detail_exit(1);
             }
         }
 
@@ -1646,6 +1646,20 @@ fn chmod(path: &Path, perms: u32) {
 #[cfg(windows)]
 fn chmod(_path: &Path, _perms: u32) {}
 
+/// If code is not 0 (successful exit status), exit status is 101 (rust's default error code.)
+/// If the test is running and code is an error code, it will cause a panic.
+fn detail_exit(code: i32) -> ! {
+    // Successful exit
+    if code == 0 {
+        std::process::exit(0);
+    }
+    if cfg!(test) {
+        panic!("status code: {}", code);
+    } else {
+        std::panic::resume_unwind(Box::new(code));
+    }
+}
+
 impl Compiler {
     pub fn with_stage(mut self, stage: u32) -> Compiler {
         self.stage = stage;