[Bug 12976] New: cpio doesn't list all hardlinks in an archive

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=12976

            Bug ID: 12976
           Summary: cpio doesn't list all hardlinks in an archive
           Product: Busybox
           Version: 1.33.x
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned at busybox.net
          Reporter: vbreiner851 at outlook.com
                CC: busybox-cvs at busybox.net
  Target Milestone: ---

Busybox's cpio doesn't list all hardlinks (if there's more than 1) in the
archive.

Example:
###########################
echo "ZZZZZ" > a
ln a b # b is a hardlink to a
ls | cpio -ov -H newc > /tmp/new.cpio # Creates a new archive with a and b

# Debian's cpio, lists both a and b
cpio -t < /tmp/new.cpio

# Busybox's cpio, lists only a
./busybox cpio -t < /tmp/new.cpio
###########################


I've compiled busybox with the default config.

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