Unnamed repository; edit this file 'description' to name the repository.
| -rw-r--r-- | crates/proc-macro-test/build.rs | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/crates/proc-macro-test/build.rs b/crates/proc-macro-test/build.rs index 8e13563c14..cec2f87b32 100644 --- a/crates/proc-macro-test/build.rs +++ b/crates/proc-macro-test/build.rs @@ -12,6 +12,8 @@ use std::{ use cargo_metadata::Message; fn main() { + println!("cargo:rerun-if-changed=imp"); + let out_dir = env::var_os("OUT_DIR").unwrap(); let out_dir = Path::new(&out_dir); @@ -19,9 +21,19 @@ fn main() { let version = "0.0.0"; let imp_dir = std::env::current_dir().unwrap().join("imp"); - let staging_dir = out_dir.join("staging"); + + let staging_dir = out_dir.join("proc-macro-test-imp-staging"); + // this'll error out if the staging dir didn't previously. using + // `std::fs::exists` would suffer from TOCTOU so just do our best to + // wip it and ignore errors. + let _ = std::fs::remove_dir_all(&staging_dir); + + println!("Creating {}", staging_dir.display()); std::fs::create_dir_all(&staging_dir).unwrap(); - std::fs::create_dir_all(staging_dir.join("src")).unwrap(); + + let src_dir = staging_dir.join("src"); + println!("Creating {}", src_dir.display()); + std::fs::create_dir_all(src_dir).unwrap(); for item_els in [&["Cargo.toml"][..], &["Cargo.lock"], &["src", "lib.rs"]] { let mut src = imp_dir.clone(); @@ -30,6 +42,7 @@ fn main() { src.push(el); dst.push(el); } + println!("Copying {} to {}", src.display(), dst.display()); std::fs::copy(src, dst).unwrap(); } |