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| -rw-r--r-- | src/bootstrap/src/core/build_steps/dist.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 64c2cdd2ec7..414f4464d1e 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -916,6 +916,12 @@ fn copy_src_dirs( exclude_dirs: &[&str], dst_dir: &Path, ) { + // Iterating, filtering and copying a large number of directories can be quite slow. + // Avoid doing it in dry run (and thus also tests). + if builder.config.dry_run() { + return; + } + fn filter_fn(exclude_dirs: &[&str], dir: &str, path: &Path) -> bool { let spath = match path.to_str() { Some(path) => path, |