declone — break hardlinks
Breaks a hard link as created by ln(1) or hardlink(1). This
program makes a copy of the file's contents, the ownership information and
standard permissions. It does not copy ACLs or SELinux contexts.
$ ln GNUmakefile new1
$ ln GNUmakefile new2
$ ls -li GNUmakefile new1 new2
-rw-r--r-- 3 jengelh users 2687 May 27 23:11 GNUmakefile
-rw-r--r-- 3 jengelh users 2687 May 27 23:11 new1
-rw-r--r-- 3 jengelh users 2687 May 27 23:11 new2
$ declone new2
* new2
$ ls -li GNUmakefile new1 new2
-rw-r--r-- 2 jengelh users 2687 May 27 23:11 GNUmakefile
-rw-r--r-- 2 jengelh users 2687 May 27 23:11 new1
-rw-r--r-- 1 jengelh users 2687 May 28 09:10 new2