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Merge pull request #3018 from Narasimha1997/fix-cp-recursion

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Fix: Avoid infinite recursion when source and destinations are same while using `cp -R`
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Sylvestre Ledru 2022-02-20 10:34:34 +01:00 • committed by GitHub
commit 73051809a7
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46
tests/by-util/test_cp.rs
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@ -1462,6 +1462,52 @@ fn test_cp_archive_on_nonexistent_file() {
"cp: cannot stat 'nonexistent_file.txt': No such file or directory (os error 2)",
);
}
#[test]
fn test_dir_recursive_copy() {
let scene = TestScenario::new(util_name!());
let at = &scene.fixtures;
at.mkdir("parent1");
at.mkdir("parent2");
at.mkdir("parent1/child");
at.mkdir("parent2/child1");
at.mkdir("parent2/child1/child2");
at.mkdir("parent2/child1/child2/child3");
// case-1: copy parent1 -> parent1: should fail
scene
.ucmd()
.arg("-R")
.arg("parent1")
.arg("parent1")
.fails()
.stderr_contains("cannot copy a directory");
// case-2: copy parent1 -> parent1/child should fail
scene
.ucmd()
.arg("-R")
.arg("parent1")
.arg("parent1/child")
.fails()
.stderr_contains("cannot copy a directory");
// case-3: copy parent1/child -> parent2 should pass
scene
.ucmd()
.arg("-R")
.arg("parent1/child")
.arg("parent2")
.succeeds();
// case-4: copy parent2/child1/ -> parent2/child1/child2/child3
scene
.ucmd()
.arg("-R")
.arg("parent2/child1/")
.arg("parent2/child1/child2/child3")
.fails()
.stderr_contains("cannot copy a directory");
}
#[test]
fn test_cp_dir_vs_file() {
new_ucmd!()