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https://github.com/uutils/coreutils
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Merge pull request #5484 from cakebaker/cp_l_with_dest_hardlink_to_source
cp --link: don't fail if destination is hardlink to source
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commit
167acb5147
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@ -1706,6 +1706,12 @@ fn copy_file(
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}
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if file_or_link_exists(dest) {
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if are_hardlinks_to_same_file(source, dest)
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&& !options.force()
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&& options.backup == BackupMode::NoBackup
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{
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return Ok(());
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}
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handle_existing_dest(source, dest, options, source_in_command_line)?;
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}
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@ -531,6 +531,25 @@ fn test_cp_arg_link() {
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assert_eq!(at.metadata(TEST_HELLO_WORLD_SOURCE).st_nlink(), 2);
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}
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#[test]
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#[cfg(target_os = "linux")]
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fn test_cp_arg_link_with_dest_hardlink_to_source() {
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use std::os::linux::fs::MetadataExt;
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let (at, mut ucmd) = at_and_ucmd!();
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let file = "file";
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let hardlink = "hardlink";
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at.touch(file);
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at.hard_link(file, hardlink);
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ucmd.args(&["--link", file, hardlink]).succeeds();
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assert_eq!(at.metadata(file).st_nlink(), 2);
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assert!(at.file_exists(file));
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assert!(at.file_exists(hardlink));
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}
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#[test]
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fn test_cp_arg_symlink() {
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let (at, mut ucmd) = at_and_ucmd!();
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