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Preallocate path
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ef02c6c6ab
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1 changed files with 12 additions and 3 deletions
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@ -43,7 +43,13 @@ struct ExerciseDir {
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impl ExerciseDir {
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impl ExerciseDir {
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fn init_on_disk(&self) -> Result<()> {
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fn init_on_disk(&self) -> Result<()> {
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let dir_path = format!("exercises/{}", self.name);
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let path_prefix = "exercises/";
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let readme_path_postfix = "/README.md";
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let mut dir_path =
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String::with_capacity(path_prefix.len() + self.name.len() + readme_path_postfix.len());
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dir_path.push_str(path_prefix);
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dir_path.push_str(self.name);
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if let Err(e) = create_dir(&dir_path) {
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if let Err(e) = create_dir(&dir_path) {
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if e.kind() == io::ErrorKind::AlreadyExists {
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if e.kind() == io::ErrorKind::AlreadyExists {
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return Ok(());
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return Ok(());
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@ -54,8 +60,11 @@ impl ExerciseDir {
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);
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);
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}
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}
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WriteStrategy::Overwrite
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let readme_path = {
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.write(&format!("exercises/{}/README.md", self.name), self.readme)?;
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dir_path.push_str(readme_path_postfix);
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dir_path
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};
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WriteStrategy::Overwrite.write(&readme_path, self.readme)?;
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Ok(())
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Ok(())
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}
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}
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