-U is now implemented. (It's been recognized by bsdtar for a while;

now libarchive actually supports the underlying request.)
2004-04-29 05:22:13 +00:00 · 2004-04-29 05:22:13 +00:00 · 6c6b3d9aa5
commit 6c6b3d9aa5
parent 9e62b060b7
1 changed files with 4 additions and 1 deletions
--- a/usr.bin/tar/bsdtar.1
+++ b/usr.bin/tar/bsdtar.1
@ -272,7 +272,10 @@ specified on the following line.
 .It Fl U
 (x mode only)
 Unlink files before creating them.
-(Not yet implemented.)
+Without this option,
+.Nm
+overwrites existing files, which preserves existing hardlinks.
+With this option, existing hardlinks will be broken.
 .It Fl v
 Produce verbose output.
 In create and extract modes,