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Code Issues Activity

cp: add support POSIXLY_CORRECT=1 when dealing with dangling links

Browse source 
GNU: tests/cp/thru-dangling.sh
This commit is contained in:
Sylvestre Ledru 2023-05-01 10:54:14 +02:00
parent 70b69efadb
commit 2d4dfc3d7d
2 changed files with 12 additions and 0 deletions
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1
src/uu/cp/src/cp.rs
View file

@ -1498,6 +1498,7 @@ fn copy_file(
options.overwrite,
OverwriteMode::Clobber(ClobberMode::RemoveDestination)
)
&& std::env::var_os("POSIXLY_CORRECT").is_none()
{
return Err(Error::Error(format!(
"not writing through dangling symlink '{}'",

11
tests/by-util/test_cp.rs
View file

@ -1902,6 +1902,17 @@ fn test_copy_through_dangling_symlink() {
.stderr_only("cp: not writing through dangling symlink 'target'\n");
}
#[test]
fn test_copy_through_dangling_symlink_posixly_correct() {
let (at, mut ucmd) = at_and_ucmd!();
at.touch("file");
at.symlink_file("nonexistent", "target");
ucmd.arg("file")
.arg("target")
.env("POSIXLY_CORRECT", "1")
.succeeds();
}
#[test]
fn test_copy_through_dangling_symlink_no_dereference() {
let (at, mut ucmd) = at_and_ucmd!();