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#!/usr/bin/perl -w
=head1 NAME
dh_installmanpages - old-style man page installer
=cut
use strict;
use File::Find;
use Debian::Debhelper::Dh_Lib;
=head1 SYNOPSIS
B<dh_installmanpages> [S<I<debhelper options>>] [S<I<file ...>>]
=head1 DESCRIPTION
dh_installmanpages is a debhelper program that is responsible for
automatically installing man pages into usr/share/man/ and usr/X11R6/man/
in package build directories.
This is a DWIM-style program, with an interface unlike the rest of
debhelper. You are encouraged to use L<dh_installman(1)> instead.
dh_installmanpages scans the current directory and all subdirectories for
filenames that look like man pages. (Note that only real files are looked
at; symlinks are ignored.) It uses L<file(1)> to verify that the files are
in the correct format. Then, based on the files' extensions, it installs
them into the correct man directory.
All filenames specified as parameters will be skipped by dh_installmanpages.
This is useful if by default it installs some man pages that you do not
want to be installed.
After the man page installation step, dh_installmanpages will check to see
if any of the man pages are ".so" links. If so, it changes them to symlinks.
=head1 OPTIONS
=over 4
=item I<file ...>
Do not install these files as man pages, even if they look like valid man
pages.
=back
=head1 BUGS
dh_installmanpages will install the man pages it finds into B<all> packages
you tell it to act on, since it can't tell what package the man
pages belong in. This is almost never what you really want (use -p to work
around this, or use the much better L<dh_installman(1)> program instead).
Files ending in I<.man> will be ignored.
Files specified as parameters that contain spaces in their filenames will
not be processed properly.
=cut
init();
# Check if a file is a man page, for use by File::Find.
my @manpages;
my @allpackages;
sub find_man {
# Does its filename look like a man page?
# .ex files are examples installed by deb-make,
# we don't want those, or .in files, which are
# from configure, nor do we want CVS .#* files.
if (! (-f $_ && /^.*\.[1-9].*$/ && ! /\.(ex|in)$/ && ! /^\.#/)) {
return;
}
# It's not in a tmp directory is it?
if ($File::Find::dir=~m:debian/.*tmp.*:) {
return;
}
foreach my $dir (@allpackages) {
if ($File::Find::dir=~m:debian/\Q$dir\E:) {
return;
}
}
# And file does think it's a real man page?
my $type=`file -z $_`;
if ($type !~ m/:.*roff/) {
return;
}
# Good enough.
push @manpages,"$File::Find::dir/$_";
}
# Check if a file is a .so man page, for use by File::Find.
my @sofiles;
my @sodests;
sub find_so_man {
# The -s test is becuase a .so file tends to be small. We don't want
# to open every man page. 1024 is arbitrary.
if (! -f $_ || -s $_ > 1024) {
return;
}
# Test first line of file for the .so thing.
open (SOTEST,$_);
my $l=<SOTEST>;
close SOTEST;
if ($l=~m/\.so\s+(.*)/) {
my $solink=$1;
# This test is here to prevent links like ... man8/../man8/foo.8
if (basename($File::Find::dir) eq
dirname($solink)) {
$solink=basename($solink);
}
else {
$solink="../$solink";
}
push @sofiles,"$File::Find::dir/$_";
push @sodests,$solink;
}
}
foreach my $package (@{$dh{DOPACKAGES}}) {
my $tmp=tmpdir($package);
# Find all filenames that look like man pages.
@manpages=();
@allpackages=GetPackages('');
find(\&find_man,'.'); # populates @manpages
foreach my $page (@manpages) {
$page=~s:^\./::; # just for looks
my $basename=basename($page);
# Skip all files listed on command line.
my $install=1;
foreach my $skip (@ARGV) {
# Look at basename of what's on connect line
# for backwards compatibility.
if ($basename eq basename($skip)) {
$install=undef;
last;
}
}
if ($install) {
my $extdir="share";
# Handle X man pages specially.
if ($basename=~/x$/) {
$extdir="X11R6";
}
my ($section)=$basename=~m/.*\.([1-9])/;
my $destdir="$tmp/usr/$extdir/man/man$section/";
# Handle translated man pages.
my $instname=$basename;
my ($langcode)=$basename=~m/.*\.([a-z][a-z])\.([1-9])/;
if (defined $langcode && $langcode ne '') {
$destdir="$tmp/usr/$extdir/man/$langcode/man$section/";
$instname=~s/\.$langcode\./\./;
}
$destdir=~tr:/:/:s; # just for looks
if (! -e "$destdir/$basename" && !-l "$destdir/$basename") {
if (! -d $destdir) {
doit "install","-d",$destdir;
}
doit "install","-p","-m644",$page,$destdir.$instname;
}
}
}
# Now the .so conversion.
@sofiles=@sodests=();
foreach my $dir (qw{usr/share/man usr/X11R6/man}) {
if (-e "$tmp/$dir") {
find(\&find_so_man, "$tmp/$dir");
}
}
foreach my $sofile (@sofiles) {
my $sodest=shift(@sodests);
doit "rm","-f",$sofile;
doit "ln","-sf",$sodest,$sofile;
}
}
=head1 SEE ALSO
L<debhelper(7)>
This program is a part of debhelper.
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut
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