diff options
Diffstat (limited to 'scripts/rustdoc_test_gen.rs')
| -rw-r--r-- | scripts/rustdoc_test_gen.rs | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/scripts/rustdoc_test_gen.rs b/scripts/rustdoc_test_gen.rs index 1ca253594d38..abb34ada2508 100644 --- a/scripts/rustdoc_test_gen.rs +++ b/scripts/rustdoc_test_gen.rs @@ -85,24 +85,25 @@ fn find_real_path<'a>(srctree: &Path, valid_paths: &'a mut Vec<PathBuf>, file: & } } - assert!( - valid_paths.len() > 0, - "No path candidates found for `{file}`. This is likely a bug in the build system, or some \ - files went away while compiling." - ); - - if valid_paths.len() > 1 { - eprintln!("Several path candidates found:"); - for path in valid_paths { - eprintln!(" {path:?}"); + match valid_paths.as_slice() { + [] => panic!( + "No path candidates found for `{file}`. This is likely a bug in the build system, or \ + some files went away while compiling." + ), + [valid_path] => valid_path.to_str().unwrap(), + valid_paths => { + use std::fmt::Write; + + let mut candidates = String::new(); + for path in valid_paths { + writeln!(&mut candidates, " {path:?}").unwrap(); + } + panic!( + "Several path candidates found for `{file}`, please resolve the ambiguity by \ + renaming a file or folder. Candidates:\n{candidates}", + ); } - panic!( - "Several path candidates found for `{file}`, please resolve the ambiguity by renaming \ - a file or folder." - ); } - - valid_paths[0].to_str().unwrap() } fn main() { |