Re: How to ensure pkgsrc groff is preferred over groff in base

[Dan LaBell <dan4l-nospam%verizon.net@localhost>]

On May 30, 2015, at 9:56 AM, Gerard Lally wrote:
> What is the correct way to ensure pkgsrc binaries and libraries are
> used instead of their equivalents in base? For example, after  
> installing
> pkgsrc groff I now have groff, grn, grodvi, grog and more in both
> /usr/bin and /usr/pkg/bin. Do I create multiple aliases, or just  
> change
> $PATH so that /usr/pkg/bin is before /usr/bin? For user, and/or root?
> Would changing $PATH create other problems elsewhere?

I was going to say login.conf and man.conf, but I found changing the  
path
in login.conf didn't seem to change the path I was seeing on login,  
don't
know why.  But, if you do change path system wide, you change manpath in
to man.conf, to get the corresponding man page.

Comment out the existing _default in /etc/man.conf
and add a new one...

# default
#_default	/usr/{share,X11R7,X11R6,pkg,local}/man/
_default	/usr/pkg/man/ /usr/{share,X11R7,X11R6,local}/man/

Then add a new section 'system' after the other sections

# Other sections that represent complete man subdirectories.
X11R7		/usr/X11R7/man/
X11R6		/usr/X11R6/man/
packages	/usr/pkg/man/
local		/usr/local/man/
system          /usr/share/man/

You can specify section with man -s, like man -s system, man -s  
packages.
You'll need to use man -s system, to get to what is shadowed by  
packages.
OR, if you don't edit man.conf, you can use man -s packages groff, to  
find
the man page for the package groff, instead of the system groff.
Below is script that will list what's shadowed in your path.  I've  
noticed
it won't work if there are duplicates in PATH.  Change to comment the  
first
which, and uncomment the second, and it will only list what's  
shadowed, but
as is, you could strip execute from offending binaries ( chmod a-x ).

---shadowed----
#!/bin/ksh -p
SAVE_IFS="$IFS"
IFS="${IFS}:"
for X in $PATH ;
do
  cd $X || continue
  ls -1 >> /tmp/list.$$
done
IFS="$SAVE_IFS"
sort < /tmp/list.$$ >/tmp/sorted.$$  && rm /tmp/list.$$
for X in $(uniq  -d /tmp/sorted.$$ && rm /tmp/sorted.$$);
do
  which -a $X;print ""
  #which -a $X|sed 1d
done