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uucore/fs: use the latest resolution that did not fail

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When we ignore failures resolving symbolic links we should keep the
latest resolution that did not fail, not the original path.
This commit is contained in:
Michael Debertol 2021-08-24 19:11:47 +02:00
parent 68c9bfa658
commit ea41cc0ff6
2 changed files with 52 additions and 18 deletions
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20
tests/by-util/test_realpath.rs
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@ -139,3 +139,23 @@ fn test_realpath_logical_mode() {
.succeeds()
.stdout_contains("dir1\n");
}
#[test]
fn test_realpath_dangling() {
let (at, mut ucmd) = at_and_ucmd!();
at.symlink_file("nonexistent-file", "link");
ucmd.arg("link")
.succeeds()
.stdout_only(at.plus_as_string("nonexistent-file\n"));
}
#[test]
fn test_realpath_loop() {
let (at, mut ucmd) = at_and_ucmd!();
at.symlink_file("2", "1");
at.symlink_file("3", "2");
at.symlink_file("1", "3");
ucmd.arg("1")
.succeeds()
.stdout_only(at.plus_as_string("2\n"));
}