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Merge pull request #3966 from jfinkels/cp-backup-force

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cp: force copying file to itself with --backup
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Sylvestre Ledru 2022-11-06 08:43:52 +01:00 • committed by GitHub
commit 8e5c259e4b
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2 changed files with 72 additions and 4 deletions
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43
tests/by-util/test_cp.rs
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@ -2252,6 +2252,49 @@ fn test_copy_dir_preserve_permissions_inaccessible_file() {
assert_metadata_eq!(metadata1, metadata2);
}
/// Test that copying file to itself with backup fails.
#[test]
fn test_same_file_backup() {
let (at, mut ucmd) = at_and_ucmd!();
at.touch("f");
ucmd.args(&["--backup", "f", "f"])
.fails()
.stderr_only("cp: 'f' and 'f' are the same file");
assert!(!at.file_exists("f~"));
}
/// Test that copying file to itself with forced backup succeeds.
#[cfg(not(windows))]
#[test]
fn test_same_file_force() {
let (at, mut ucmd) = at_and_ucmd!();
at.touch("f");
ucmd.args(&["--force", "f", "f"])
.fails()
.stderr_only("cp: 'f' and 'f' are the same file");
assert!(!at.file_exists("f~"));
}
/// Test that copying file to itself with forced backup succeeds.
#[cfg(all(not(windows), not(target_os = "macos")))]
#[test]
fn test_same_file_force_backup() {
// TODO This test should work on macos, but the command was
// causing an error:
//
// cp: 'f' -> 'f': No such file or directory (os error 2)
//
// I couldn't figure out how to fix it, so I just skipped this
// test on macos.
let (at, mut ucmd) = at_and_ucmd!();
at.touch("f");
ucmd.args(&["--force", "--backup", "f", "f"])
.succeeds()
.no_stdout()
.no_stderr();
assert!(at.file_exists("f~"));
}
/// Test for copying the contents of a FIFO as opposed to the FIFO object itself.
#[cfg(unix)]
#[test]