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benchmark pallet: Error if files are overwritten twice (#14352)

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* benchmark pallet: Error if files are overwritten twice

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix error message

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
Oliver Tale-Yazdi
2023-06-13 18:51:18 +02:00
committed by GitHub
parent 72046c2830
commit fda776951d
2 changed files with 23 additions and 6 deletions
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substrate/utils/frame/benchmarking-cli/src/pallet/writer.rs
+17 -6
View File
@@ -375,7 +375,7 @@ fn get_benchmark_data(
}
}
// Create weight file from benchmark data and Handlebars template.
/// Create weight file from benchmark data and Handlebars template.
pub(crate) fn write_results(
batches: &[BenchmarkBatchSplitResults],
storage_info: &[StorageInfo],
@@ -384,7 +384,7 @@ pub(crate) fn write_results(
default_pov_mode: PovEstimationMode,
path: &PathBuf,
cmd: &PalletCmd,
) -> Result<(), std::io::Error> {
) -> Result<(), sc_cli::Error> {
// Use custom template if provided.
let template: String = match &cmd.template {
Some(template_file) => fs::read_to_string(template_file)?,
@@ -492,10 +492,21 @@ pub(crate) fn write_results(
created_files.push(file_path);
}
for file in created_files.iter().duplicates() {
// This can happen when there are multiple instances of a pallet deployed
// and `--output` forces the output of all instances into the same file.
println!("Multiple benchmarks were written to the same file: {:?}.", file);
let overwritten_files = created_files.iter().duplicates().collect::<Vec<_>>();
if !overwritten_files.is_empty() {
let msg = format!(
"Multiple results were written to the same file. This can happen when \
there are multiple instances of a pallet deployed and `--output` forces the output of all \
instances into the same file. Use `--unsafe-overwrite-results` to ignore this error. The \
affected files are: {:?}",
overwritten_files
);
if cmd.unsafe_overwrite_results {
println!("{msg}");
} else {
return Err(msg.into())
}
}
Ok(())
}