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cp: manages the 'seen' file list before copying

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Should help with tests/mv/childproof.sh
This commit is contained in:
Sylvestre Ledru 2023-12-23 11:53:25 +01:00
parent 6b1f51385f
commit 837640bc02
2 changed files with 54 additions and 11 deletions
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19
tests/by-util/test_cp.rs
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@ -3559,3 +3559,22 @@ fn test_cp_attributes_only() {
assert_eq!(mode_a, at.metadata(a).mode());
assert_eq!(mode_b, at.metadata(b).mode());
}
#[test]
fn test_cp_seen_file() {
let (at, mut ucmd) = at_and_ucmd!();
at.mkdir("a");
at.mkdir("b");
at.mkdir("c");
at.write("a/f", "a");
at.write("b/f", "b");
ucmd.arg("a/f")
.arg("b/f")
.arg("c")
.fails()
.stderr_contains("will not overwrite just-created 'c/f' with 'b/f'");
assert!(at.plus("c").join("f").exists());
}