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#!/usr/bin/perl -w
=head1 NAME
dh_installman - install man pages into package build directories
=cut
use strict;
use File::Find;
use Debian::Debhelper::Dh_Lib;
=head1 SYNOPSIS
B<dh_installman> [S<I<debhelper options>>] [S<I<manpage ...>>]
=head1 DESCRIPTION
dh_installman is a debhelper program that handles installing
man pages into the correct locations in package build directories. You tell
it what man pages go in your packages, and it figures out where to
install them based on the section field in their .TH line. If you have a
properly formatted .TH line, your man page will be installed into the right
directory, with the right name (this includes proper handling of pages
with a subsection, like "3perl", which are placed in man3, and given an
extension of ".3perl"). If your .TH line is incorrect or missing, the program
may guess wrong based on the file extension.
It also supports translated man pages, by looking for extensions
like .ll.8 and .ll_LL.8
If dh_installman seems to install a man page into the wrong section or with
the wrong extension, this is because the man page has the wrong section
listed in its .TH line. Edit the man page and correct the section, and
dh_installman will follow suit. See to L<man(7)> for details about the .TH
section. If dh_installman seems to install a man page into a directory
like /usr/share/man/pl/man1/, that is because your program has a
name like "foo.pl", and dh_installman assumes that means it is translated
into Polish. There is currently no support for resolving this ambiguity;
programs in debian should proably not have extensions like that anyway.
Any man page filenames specified as parameters will be installed into the
first package dh_installman is told to act on. By default, this is the
first binary package in debian/control, but if you use -p, -i, or -a flags,
it will be the first package specified by those flags.
Files named debian/package.manpages can list other man pages to be
installed.
After the man page installation step, dh_installman will check to see if
any of the man pages in the temporary directories of any of the packages it
is acting on contain ".so" links. If so, it changes them to symlinks.
=head1 OPTIONS
=over 4
=item B<-A>, B<--all>
Install all files specified by command line parameters in ALL packages
acted on.
=item I<manpage ...>
Install these man pages into the first package acted on. (Or in all
packages if -A is specified).
=back
=head1 NOTES
An older version of this program, L<dh_installmanpages(1)>, is still used
by some packages, and so is still included in debhelper.
It is, however, deprecated, due to its counterintuitive and inconsistent
interface. Use this program instead.
=cut
init();
my @sofiles;
my @sodests;
foreach my $package (@{$dh{DOPACKAGES}}) {
next if is_udeb($package);
my $tmp=tmpdir($package);
my $file=pkgfile($package,"manpages");
my @manpages;
if ($file) {
@manpages=filearray($file, ".");
}
if (($package eq $dh{FIRSTPACKAGE} || $dh{PARAMS_ALL}) && @ARGV) {
push @manpages, @ARGV;
}
foreach my $page (@manpages) {
my $basename=basename($page);
# Support compressed pages.
my $gz='';
if ($basename=~m/(.*)(\.gz)/) {
$basename=$1;
$gz=$2;
}
my $section;
# See if there is a .TH entry in the man page. If so,
# we'll pull the section field from that.
if ($gz) {
open (IN, "zcat $page|") or die "$page: $!";
}
else {
open (IN, $page) or die "$page: $!";
}
while (<IN>) {
if (/^\.TH\s+\S+\s+"?(\d+[^"\s]*)"?/) {
$section=$1;
last;
}
}
# Failing that, we can try to get it from the filename.
if (! $section) {
($section)=$basename=~m/.*\.([1-9]\S*)/;
}
# Now get the numeric component of the section.
my ($realsection)=$section=~m/^(\d)/ if defined $section;
# If there is no numeric section, bail.
if (! $realsection) {
error("Could not determine section for $page");
}
# Get the man page's name -- everything up to the last dot.
my ($instname)=$basename=~m/^(.*)\./;
my $destdir="$tmp/usr/share/man/man$realsection/";
# Translated man pages are typically specified by adding the
# language code to the filename, so detect that and
# redirect to appropriate directory, stripping the code.
my ($langcode)=$basename=~m/.*\.([a-z][a-z](?:_[A-Z][A-Z])?)\.(?:[1-9]|man)/;
if (defined $langcode && $langcode ne '') {
$destdir="$tmp/usr/share/man/$langcode/man$realsection/";
# Strip the language code from the instname.
$instname=~s/\.$langcode$//;
}
$destdir=~tr:/:/:s; # just for looks
if (! -e "$destdir/$instname.$section" &&
! -l "$destdir/$instname.$section") {
if (! -d $destdir) {
doit "install","-d",$destdir;
}
doit "install","-p","-m644",$page,
"$destdir$instname.$section$gz";
}
}
# 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;
}
}
# Check if a file is a .so man page, for use by File::Find.
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 $_ > 1024 || -s == 0) {
return;
}
# Test first line of file for the .so thing.
if (/\.gz$/) {
open (SOTEST, "zcat $_|") or die "$_: $!";
}
else {
open (SOTEST,$_) || die "$_: $!";
}
my $l=<SOTEST>;
close SOTEST;
if ($l=~m/\.so\s+(.*)\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;
}
}
=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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