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Bug 714 - nmh /usr/bin/mh link can be wrong
Summary: nmh /usr/bin/mh link can be wrong
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: nmh
Version: 5.2
Hardware: i386
OS: Linux
Target Milestone: ---
Assignee: David Lawrence
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 1999-01-06 18:09 UTC by Steve Wills
Modified: 2008-05-01 15:37 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 1999-01-06 18:43:56 UTC

Attachments (Terms of Use)

Description Steve Wills 1999-01-06 18:09:05 UTC
in /usr/bin/  the file "mh" is an symlink to .

so doing a `ls m*` shows the entire directory.

This is in the install scripts for nmh...

[alikins@grimlock alikins]$ rpm -q --scripts nmh
postinstall script (through /bin/sh):
if [ ! -d /usr/bin/mh -a ! -L /usr/bin/mh ] ; then
    ln -s . /usr/bin/mh
if [ ! -d /usr/lib/mh -a ! -L /usr/lib/mh ] ; then
    ln -s nmh /usr/lib/mh
preuninstall script (through /bin/sh):
[ ! -L /usr/bin/mh ] || rm -f /usr/bin/mh
[ ! -L /usr/lib/mh ] || rm -f /usr/lib/mh

I havent a clue what the first chunk of that is trying to
do, suppose its trying to link /usr/bin/mh to something in

Comment 1 Jeff Johnson 1999-01-06 18:43:59 UTC
nmh and exmh go to great lengths (using triggers) to insure
that the symlink /usr/bin/mh is correct. If there is a problem,
please reopen the bug with more specific details. You probably should
look at what happens to /usr/bin/mh and /usr/lib/mh when exmh and/or
nmh are installed/updated separately and/or together in order to
identify the circumstances where the symlink is incorrect.

Comment 2 Steve Wills 1999-01-18 20:25:59 UTC
Here are some more comments on this from Adrian:

        The symlinks is bad when nmh and exmh are isntalled (on my
system here ( a everythign install), my home system (a custom with
both), crashes system (custom with nmh and exmh).

        Further more: after removing exmh and nmh, the link is gone.

        With just nmh:

[root@grimlock RPMS]# ls -al /usr/bin/mh
lrwxrwxrwx   1 root     root            1 Jan  6 16:39 /usr/bin/mh ->

[root@grimlock RPMS]# rpm -Uvh exmh*
[root@grimlock RPMS]# ls -al /usr/bin/mh
lrwxrwxrwx   1 root     root            1 Jan  6 16:39 /usr/bin/mh ->

        The link is made by the nmh install scripts, I dont see how
having exmh installed makes a difference. Exmh does nt run any

I havent a clue why having mh -> . would ever be useful for any
reason. And even if it were, it still seems broken.

The script seem to test if the dir or symlink "/usr/bin/mh" doesnt
exist, then make the silly symlink. Then does the same thign again
before creating the useful link (to nmh...) but of course, its always
going to be a symlink then it seems.

I dunno, but it seems broken on fresh full installs...

Of course, --triggers doesnt seem to show the triggers for the rpms
as the man page and --helps suggests it would, but i suppose thats
another issue.

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