docs/178221: Addition to handbook jails chapter: warning about make deinstall

[Lowell Gilbert]

Brandon Thomson <bt at brandonthomson.com> writes:

>>It seems to me that the Handbook advice includes linking the
>>/s/usr-local onto /usr/local inside the jail.  This is highly desirable
>>for regular users because having /usr/local/bin in a PATH works just
>>like on a real system.
>
> Yes, I think that is correct. This link exists on my system where I found this
> issue.
>
> Here is a transcript of a shell session demonstrating the issue. I also
> included some demonstration that the link from /usr/local to /rw/usr_local
> exists and is working (note that I have used slightly different directory names
> from the handbook example, so it is /rw/usr_local instead of /s/usr-local)
>
> I probably should have included this in the first message! Sorry about that.
>
> root at pipe:/usr/ports/ports-mgmt/portaudit # make
> ===> Fetching all distfiles required by portaudit-0.6.0 for building
> ===>  Extracting for portaudit-0.6.0
> ===>  Patching for portaudit-0.6.0
> ===>  Configuring for portaudit-0.6.0
> ===>  Building for portaudit-0.6.0
> root at pipe:/usr/ports/ports-mgmt/portaudit # make install
> ===>  Installing for portaudit-0.6.0
> ===>   Generating temporary packing list
> ===>  Checking if ports-mgmt/portaudit already installed
>
> ===>  To check your installed ports for known vulnerabilities now, do:
>
>       /usr/local/sbin/portaudit -Fda
>
> ===>   Compressing manual pages for portaudit-0.6.0
> ===>   Registering installation for portaudit-0.6.0
> root at pipe:/usr/ports/ports-mgmt/portaudit # make deinstall
> ===>  Deinstalling for ports-mgmt/portaudit
> ===>   portaudit-0.6.0 has a different PREFIX: /rw/usr_local, skipping

Hmm. Looks like something canonicalized the path, but I can't see what.

> root at pipe:/usr/ports/ports-mgmt/portaudit # make deinstall PREFIX=/rw/usr_local
> ===>  Deinstalling for ports-mgmt/portaudit
> ===>   Deinstalling portaudit-0.6.0
>
> The portaudit package has been deleted.
>
> root at pipe:/usr/ports/ports-mgmt/portaudit # readlink /usr/local
> ../rw/usr_local
> root at pipe:/usr/ports/ports-mgmt/portaudit # ls -la /usr/
> total 144
> drwxr-xr-x  14 root  wheel   16 Mar 16 11:46 .
> drwxr-xr-x  13 root  wheel   20 Apr 18 14:38 ..
> lrwxr-xr-x   1 root  wheel   15 Mar 16 11:46 X11R6 -> ../rw/usr_X11R6
> drwxr-xr-x   2 root  wheel  475 Mar 16 11:00 bin
> drwxr-xr-x   2 root  wheel   16 Mar 16 10:59 games
> drwxr-xr-x  53 root  wheel  283 Mar 16 10:59 include
> drwxr-xr-x   7 root  wheel  556 Mar 16 10:59 lib
> drwxr-xr-x   4 root  wheel  571 Mar 16 11:00 lib32
> drwxr-xr-x   5 root  wheel    5 Mar 16 10:59 libdata
> drwxr-xr-x   6 root  wheel   62 Mar 16 11:00 libexec
> lrwxr-xr-x   1 root  wheel   15 Mar 16 11:45 local -> ../rw/usr_local
> drwxr-xr-x   2 root  wheel    2 Mar 16 10:59 obj
> drwxr-xr-x  68 root  wheel   83 Apr 21 20:18 ports
> drwxr-xr-x   2 root  wheel  286 Mar 16 10:59 sbin
> drwxr-xr-x  27 root  wheel   27 Mar 16 10:59 share
> drwxr-xr-x  22 root  wheel   31 Mar 16 04:05 src
> root at pipe:/usr/ports/ports-mgmt/portaudit # ls -la /usr/local/
> total 111
> drwxr-xr-x  13 root  wheel  13 May  7 09:00 .
> drwxr-xr-x  12 root  wheel  15 May  7 09:00 ..
> drwxr-xr-x   2 root  wheel   2 May  7 09:00 bin
> drwxr-xr-x   6 root  wheel   6 May  7 09:02 etc
> drwxr-xr-x   3 root  wheel   3 May  7 09:00 include
> drwxr-xr-x   2 root  wheel   2 May  7 09:00 info
> drwxr-xr-x   3 root  wheel   3 May  7 09:00 lib
> drwxr-xr-x   5 root  wheel   5 May  7 09:00 libdata
> drwxr-xr-x   2 root  wheel   2 May  7 09:00 libexec
> drwxr-xr-x  28 root  wheel  28 May  7 09:00 man
> drwxr-xr-x   2 root  wheel   2 May  7 09:02 sbin
> drwxr-xr-x  15 root  wheel  15 May  7 09:00 share
> drwxr-xr-x   2 root  wheel   2 May  7 09:00 www
> root at pipe:/usr/ports/ports-mgmt/portaudit #