apropos(1) with MANPATH is broken

[Baptiste Daroussin]

On Sat, Jun 13, 2015 at 03:44:30PM -0700, Steve Kargl wrote:
> The recent change from historic mandoc to the newer stuff
> has broken apropos(1).  From the apropos(1) manpage 
> 
> 
>  MANPATH   The standard search path used by man(1) may be changed by
>            specifying a path in the MANPATH environment variable.
>            Invalid paths, or paths without manual databases, are
>            ignored.  Overridden by -M.  If MANPATH begins with a
>            colon, it is appended to the default list; if it ends with
>            a colon, it is prepended to the default list; or if it
>            contains two adjacent colons, the standard search path is
>            inserted between the colons.  If none of these conditions
>            are met, it overrides the standard search path.
> 
> 
> In my .cshrc I have
> 
> setenv MANPATH /usr/local/man:/usr/share/man:$HOME/man
> 
> % setenv | grep MANP
> MANPATH=/usr/local/man:/usr/share/man:/home/kargl/man
> % apropos apropos
> (Warning: MANPATH environment variable set)
> /usr/home/kargl/man/mandoc.db: No such file or directory
> apropos, whatis(1) - search manual page databases
> 
> Historically, there is no noise.  Neither the warning about
> MANPATH being set nor a message about a missing .db file were
> printed.  This should at least be hidden behind -v.
> 
> % unsetenv MANPATH
> % apropos apropos
> /usr/home/kargl/man/mandoc.db: No such file or directory
> /usr/local/lib/perl5/site_perl/man/mandoc.db: No such file or directory
> /usr/local/lib/perl5/5.16/perl/man/mandoc.db: No such file or directory
> apropos, whatis(1) - search manual page databases
> 
> Unsetting MANPATH seems to not revert to a standard manpath of
> /usr/share/man (or maybe /usr/local/man:/usr/share/man).  Also, why is
> it suddenly picking up the perl5 directories?  There is no /etc/man.conf
> on the system and login.conf does not define manpath.
> 
> setenv MANPATH :$HOME/man
> % apropos apropos
> (Warning: MANPATH environment variable set)
> /usr/home/kargl/man/mandoc.db: No such file or directory
> 
> MANPATH was not appended to the standard search path.
> 
> 
> So, starting the exercise over with MANPATH removed from .cshrc.
> Re-login-ing into the system
> 
> % setenv | grep MAN
> 
> MANPATH is not set as expected.
> 
> % apropos apropos
> /usr/home/kargl/man/mandoc.db: No such file or directory
> /usr/local/lib/perl5/site_perl/man/mandoc.db: No such file or directory
> /usr/local/lib/perl5/5.16/perl/man/mandoc.db: No such file or directory
> apropos, whatis(1) - search manual page databases
> 
> So, some default search path is followed
> 
> % setenv MANPATH :$HOME/man
> % apropos apropos
> (Warning: MANPATH environment variable set)
> /usr/home/kargl/man/mandoc.db: No such file or directory
> % man apropos
> No manual entry for apropos
> 
Thank you for reporting, I will fix it asap!
Best regards,
Bapt
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