[Bug 8001] New: busybox ash: PS1 w display is not correct in prompt

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=8001

           Summary: busybox ash: PS1 w display is not correct in prompt
           Product: Busybox
           Version: 1.20.x
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P5
         Component: Other
        AssignedTo: unassigned at busybox.net
        ReportedBy: ysan99 at gmail.com
                CC: busybox-cvs at busybox.net
   Estimated Hours: 0.0


Please see below the behaviour difference compare to BASH.

BASH:
root at ppc99:~# ll /var/test
lrwxrwxrwx    1 root     root            10 Apr  1 13:35 /var/test ->
/hdd1/test
root at ppc99:~# echo $PS1
\u@\h:\w\$
root at ppc99:~# cd /var/test
root at ppc99:/var/test# pwd
/var/test
root at ppc99:/var/test#

Busybox ASH:
root at ppc99:~# ll /var/test
lrwxrwxrwx    1 root     root            10 Apr  1 13:35 /var/test ->
/hdd1/test
root at ppc99:~# echo $PS1
\u@\h:\w\$
root at ppc99:~# cd /var/test/
root at ppc99:/hdd1/test# pwd
/var/test
root at ppc99:/hdd1/test#

pwd is ok, but the command  prompt is not as expected.

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