diff --git a/src/uu/mktemp/src/mktemp.rs b/src/uu/mktemp/src/mktemp.rs index a4787931a52..b1906169104 100644 --- a/src/uu/mktemp/src/mktemp.rs +++ b/src/uu/mktemp/src/mktemp.rs @@ -16,6 +16,7 @@ use uucore::format_usage; use std::env; use std::error::Error; use std::fmt::Display; +use std::io::ErrorKind; use std::iter; use std::path::{Path, PathBuf, MAIN_SEPARATOR}; @@ -54,6 +55,9 @@ enum MkTempError { SuffixContainsDirSeparator(String), InvalidTemplate(String), TooManyTemplates, + + /// When a specified temporary directory could not be found. + NotFound(String, String), } impl UError for MkTempError { @@ -93,6 +97,12 @@ impl Display for MkTempError { TooManyTemplates => { write!(f, "too many templates") } + NotFound(template_type, s) => write!( + f, + "failed to create {} via template {}: No such file or directory", + template_type, + s.quote() + ), } } } @@ -469,7 +479,8 @@ pub fn dry_exec(tmpdir: &str, prefix: &str, rand: usize, suffix: &str) -> UResul /// /// # Errors /// -/// If the temporary directory could not be written to disk. +/// If the temporary directory could not be written to disk or if the +/// given directory `dir` does not exist. fn make_temp_dir(dir: &str, prefix: &str, rand: usize, suffix: &str) -> UResult { let mut builder = Builder::new(); builder.prefix(prefix).rand_bytes(rand).suffix(suffix); @@ -481,6 +492,12 @@ fn make_temp_dir(dir: &str, prefix: &str, rand: usize, suffix: &str) -> UResult< fs::set_permissions(&path, fs::Permissions::from_mode(0o700))?; Ok(path) } + Err(e) if e.kind() == ErrorKind::NotFound => { + let filename = format!("{}{}{}", prefix, "X".repeat(rand), suffix); + let path = Path::new(dir).join(filename); + let s = path.display().to_string(); + Err(MkTempError::NotFound("directory".to_string(), s).into()) + } Err(e) => Err(e.into()), } } @@ -494,7 +511,8 @@ fn make_temp_dir(dir: &str, prefix: &str, rand: usize, suffix: &str) -> UResult< /// /// # Errors /// -/// If the file could not be written to disk. +/// If the file could not be written to disk or if the directory does +/// not exist. fn make_temp_file(dir: &str, prefix: &str, rand: usize, suffix: &str) -> UResult { let mut builder = Builder::new(); builder.prefix(prefix).rand_bytes(rand).suffix(suffix); @@ -504,6 +522,12 @@ fn make_temp_file(dir: &str, prefix: &str, rand: usize, suffix: &str) -> UResult Ok((_, pathbuf)) => Ok(pathbuf), Err(e) => Err(MkTempError::PersistError(e.file.path().to_path_buf()).into()), }, + Err(e) if e.kind() == ErrorKind::NotFound => { + let filename = format!("{}{}{}", prefix, "X".repeat(rand), suffix); + let path = Path::new(dir).join(filename); + let s = path.display().to_string(); + Err(MkTempError::NotFound("file".to_string(), s).into()) + } Err(e) => Err(e.into()), } } diff --git a/tests/by-util/test_mktemp.rs b/tests/by-util/test_mktemp.rs index f0c7a347acd..57448474fea 100644 --- a/tests/by-util/test_mktemp.rs +++ b/tests/by-util/test_mktemp.rs @@ -739,3 +739,89 @@ fn test_tmpdir_env_var() { assert_matches_template!(template, filename); assert!(at.file_exists(filename)); } + +#[test] +fn test_nonexistent_tmpdir_env_var() { + #[cfg(not(windows))] + new_ucmd!().env(TMPDIR, "no/such/dir").fails().stderr_only("mktemp: failed to create file via template 'no/such/dir/tmp.XXXXXXXXXX': No such file or directory\n"); + #[cfg(windows)] + { + let result = new_ucmd!().env(TMPDIR, r"no\such\dir").fails(); + result.no_stdout(); + let stderr = result.stderr_str(); + assert!( + stderr.starts_with("mktemp: failed to create file via template"), + "{}", + stderr + ); + assert!( + stderr.ends_with("no\\such\\dir\\tmp.XXXXXXXXXX': No such file or directory\n"), + "{}", + stderr + ); + } + + #[cfg(not(windows))] + new_ucmd!().env(TMPDIR, "no/such/dir").arg("-d").fails().stderr_only("mktemp: failed to create directory via template 'no/such/dir/tmp.XXXXXXXXXX': No such file or directory\n"); + #[cfg(windows)] + { + let result = new_ucmd!().env(TMPDIR, r"no\such\dir").arg("-d").fails(); + result.no_stdout(); + let stderr = result.stderr_str(); + assert!( + stderr.starts_with("mktemp: failed to create directory via template"), + "{}", + stderr + ); + assert!( + stderr.ends_with("no\\such\\dir\\tmp.XXXXXXXXXX': No such file or directory\n"), + "{}", + stderr + ); + } +} + +#[test] +fn test_nonexistent_dir_prefix() { + #[cfg(not(windows))] + new_ucmd!().arg("d/XXX").fails().stderr_only( + "mktemp: failed to create file via template 'd/XXX': No such file or directory\n", + ); + #[cfg(windows)] + { + let result = new_ucmd!().arg(r"d\XXX").fails(); + result.no_stdout(); + let stderr = result.stderr_str(); + assert!( + stderr.starts_with("mktemp: failed to create file via template"), + "{}", + stderr + ); + assert!( + stderr.ends_with("d\\XXX': No such file or directory\n"), + "{}", + stderr + ); + } + + #[cfg(not(windows))] + new_ucmd!().arg("-d").arg("d/XXX").fails().stderr_only( + "mktemp: failed to create directory via template 'd/XXX': No such file or directory\n", + ); + #[cfg(windows)] + { + let result = new_ucmd!().arg("-d").arg(r"d\XXX").fails(); + result.no_stdout(); + let stderr = result.stderr_str(); + assert!( + stderr.starts_with("mktemp: failed to create directory via template"), + "{}", + stderr + ); + assert!( + stderr.ends_with("d\\XXX': No such file or directory\n"), + "{}", + stderr + ); + } +}