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cp: move option check to uumain and use show_usage_error

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- add test for conflicting options `--backup` and `--no-clobber`
This commit is contained in:
Matt Blessed 2021-05-26 10:50:41 -04:00
parent a8a1ec7faf
commit 25ed5eeb0e
2 changed files with 18 additions and 11 deletions
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17
src/uu/cp/src/cp.rs
View file

@ -463,6 +463,12 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
.get_matches_from(args);
let options = crash_if_err!(EXIT_ERR, Options::from_matches(&matches));
if options.overwrite == OverwriteMode::NoClobber && options.backup != BackupMode::NoBackup {
show_usage_error!("options --backup and --no-clobber are mutually exclusive");
return 1;
}
let paths: Vec<String> = matches
.values_of(OPT_PATHS)
.map(|v| v.map(ToString::to_string).collect())
@ -593,17 +599,6 @@ impl Options {
let overwrite = OverwriteMode::from_matches(matches);
if overwrite == OverwriteMode::NoClobber && backup_mode != BackupMode::NoBackup {
show_error!(
"options --backup and --no-clobber are mutually exclusive\n\
Try '{} --help' for more information.",
executable!()
);
return Err(Error::Error(
"options --backup and --no-clobber are mutually exclusive".to_owned(),
));
}
// Parse target directory options
let no_target_dir = matches.is_present(OPT_NO_TARGET_DIRECTORY);
let target_dir = matches

12
tests/by-util/test_cp.rs
View file

@ -539,6 +539,18 @@ fn test_cp_backup_off() {
assert!(!at.file_exists(&format!("{}~", TEST_HOW_ARE_YOU_SOURCE)));
}
#[test]
fn test_cp_backup_no_clobber_conflicting_options() {
let (_, mut ucmd) = at_and_ucmd!();
ucmd.arg("--backup")
.arg("--no-clobber")
.arg(TEST_HELLO_WORLD_SOURCE)
.arg(TEST_HOW_ARE_YOU_SOURCE)
.fails()
.stderr_is("cp: options --backup and --no-clobber are mutually exclusive\nTry 'cp --help' for more information.");
}
#[test]
fn test_cp_deref_conflicting_options() {
new_ucmd!()