perl/installman
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   1#!./perl -w
   2BEGIN {
   3    @INC = qw(lib);
   4    
   5    # This needs to be at BEGIN time, before any use of Config
   6    require './install_lib.pl';
   7}
   8use strict;
   9
  10use Getopt::Long;
  11use File::Find;
  12use File::Copy;
  13use File::Path qw(mkpath);
  14use ExtUtils::Packlist;
  15use Pod::Man;
  16use vars qw($Is_VMS $Is_W32 $Is_OS2 $Is_Cygwin $Is_Darwin $Is_NetWare
  17            %opts $packlist);
  18
  19$ENV{SHELL} = 'sh' if $^O eq 'os2';
  20
  21my $patchlevel = substr($],3,2);
  22die "Patchlevel of perl ($patchlevel)",
  23    "and patchlevel of config.sh ($Config{'PERL_VERSION'}) don't match\n"
  24        if $patchlevel != $Config{'PERL_VERSION'};
  25
  26my $usage =
  27"Usage:  installman --man1dir=/usr/wherever --man1ext=1
  28                   --man3dir=/usr/wherever --man3ext=3
  29                   --batchlimit=40
  30                   --notify --verbose --silent --help
  31        Defaults are:
  32        man1dir = $Config{'installman1dir'};
  33        man1ext = $Config{'man1ext'};
  34        man3dir = $Config{'installman3dir'};
  35        man3ext = $Config{'man3ext'};
  36        --notify  (or -n) just lists commands that would be executed.
  37        --verbose (or -V) report all progress.
  38        --silent  (or -S) be silent. Only report errors.\n";
  39
  40GetOptions( \%opts,
  41            qw( man1dir=s man1ext=s man3dir=s man3ext=s batchlimit=i
  42                destdir:s notify n help silent S verbose V)) 
  43        || die $usage;
  44die $usage if $opts{help};
  45$opts{destdir} //= '';
  46
  47foreach my $pre (qw(man1 man3)) {
  48    $opts{"${pre}dir"} //= $opts{destdir} . $Config{"install${pre}dir"};
  49    $opts{"${pre}ext"} //= $Config{"${pre}ext"};
  50}
  51$opts{silent} ||= $opts{S};
  52$opts{notify} ||= $opts{n};
  53$opts{verbose} ||= $opts{V} || $opts{notify};
  54
  55#Sanity checks
  56
  57-x  "./perl$Config{exe_ext}" 
  58  or warn "./perl$Config{exe_ext} not found!  Have you run make?\n";
  59-d  "$opts{destdir}$Config{'installprivlib'}"
  60        || warn "Perl library directory $Config{'installprivlib'} not found.
  61                Have you run make install?.  (Installing anyway.)\n";
  62-x "t/perl$Config{exe_ext}"             || warn "WARNING: You've never run 'make test'!!!",
  63        "  (Installing anyway.)\n";
  64
  65$packlist = ExtUtils::Packlist->new("$opts{destdir}$Config{installarchlib}/.packlist");
  66
  67
  68# Install the main pod pages.
  69pod2man('pod', $opts{man1dir}, $opts{man1ext});
  70
  71# Install the pods for library modules.
  72pod2man('lib', $opts{man3dir}, $opts{man3ext});
  73
  74# Install the pods embedded in the installed scripts
  75my $has_man1dir = $opts{man1dir} ne '' && -d $opts{man1dir};
  76open UTILS, "utils.lst" or die "Can't open 'utils.lst': $!";
  77while (<UTILS>) {
  78    next if /^#/;
  79    chomp;
  80    $_ = $1 if /#.*pod\s*=\s*(\S+)/;
  81    my ($where, $what) = m|^(\S*)/(\S+)|;
  82    pod2man($where, $opts{man1dir}, $opts{man1ext}, $what);
  83    if ($has_man1dir) {
  84        if (my ($where2, $what2) = m|#.*link\s*=\s*(\S+)/(\S+)|) {
  85            my $old = "$opts{man1dir}/$what.$opts{man1ext}";
  86            my $new = "$opts{man1dir}/$what2.$opts{man1ext}";
  87            unlink($new);
  88            link($old, $new);
  89            my $xold = $old;
  90            $xold =~ s/^\Q$opts{'destdir'}\E// if $opts{'destdir'};
  91            my $xnew = $new;
  92            $xnew =~ s/^\Q$opts{'destdir'}\E// if $opts{'destdir'};
  93            $packlist->{$xnew} = { from => $xold, type => 'link' };
  94        }
  95    }
  96}
  97
  98sub pod2man {
  99    # @script is scripts names if we are installing manpages embedded 
 100    # in scripts, () otherwise
 101    my($poddir, $mandir, $manext, @script) = @_;
 102    if ($mandir eq ' ' or $mandir eq '') {
 103        if (@script) {
 104            warn "Skipping installation of $poddir/$_ man page.\n"
 105                foreach @script;
 106        } else {
 107            warn "Skipping installation of $poddir man pages.\n";
 108        }
 109        return;
 110    }
 111
 112    print "installing from $poddir\n" if $opts{verbose};
 113
 114    mkpath($mandir, $opts{verbose}, 0777) unless $opts{notify};  # In File::Path
 115    # Make a list of all the .pm and .pod files in the directory.  We avoid
 116    # chdir because we are running with @INC = '../lib', and modules may wish
 117    # to dynamically require Carp::Heavy or other diagnostics warnings.
 118    # Hash the names of files we find, keys are names relative to perl build
 119    # dir ('.'), values are names relative to $poddir.
 120    my %modpods;
 121    if (@script) {
 122        %modpods = (map {+"$poddir/$_", $_} @script);
 123    }
 124    else {
 125        File::Find::find({no_chdir=>1,
 126                          wanted => sub {
 127                              # $_ is $File::Find::name when using no_chdir
 128                              if (-f $_ and /\.p(?:m|od)$/) {
 129                                  my $fullname = $_;
 130                                  s!^\Q$poddir\E/!!;
 131                                  $modpods{$fullname} = $_;
 132                              }
 133                          }},
 134                         $poddir);
 135    }
 136    my @to_process;
 137    foreach my $mod (sort keys %modpods) {
 138        my $manpage = $modpods{$mod};
 139        my $tmp;
 140        # Skip .pm files that have corresponding .pod files, and Functions.pm.
 141        next if (($tmp = $mod) =~ s/\.pm$/.pod/ && -f $tmp);
 142        next if $mod =~ m:/t/:; # no pods from test directories 
 143        next if ($manpage eq 'Pod/Functions.pm'); #### Used only by pod itself
 144
 145        # Skip files without pod docs
 146        my $has_pod;
 147        if (open T, $mod)
 148        {
 149            local $_;
 150            while (<T>)
 151            {
 152                ++$has_pod and last if /^=(?:head\d+|item|pod)\b/;
 153            }
 154
 155            close T;
 156        }
 157
 158        unless ($has_pod)
 159        {
 160            warn "no documentation in $mod\n";
 161            next;
 162        }
 163
 164        # Convert name from  File/Basename.pm to File::Basename.3 format,
 165        # if necessary.
 166        $manpage =~ s#\.p(m|od)$##;
 167        if ($^O eq 'os2' || $^O eq 'amigaos' || $^O eq 'uwin' || $^O eq 'cygwin') {
 168          $manpage =~ s#/#.#g;
 169        }
 170        else {
 171          $manpage =~ s#/#::#g;
 172        }
 173        $tmp = "${mandir}/${manpage}.tmp";
 174        $manpage = "${mandir}/${manpage}.${manext}";
 175        push @to_process, [$mod, $tmp, $manpage];
 176    }
 177
 178    foreach my $page (@to_process) {
 179        my($pod, $tmp, $manpage) = @$page;
 180
 181        my $parser = Pod::Man->new( section => $manext,
 182                                    official=> 1,
 183                                    center  => 'Perl Programmers Reference Guide'
 184                                  );
 185        my $xmanpage = $manpage;
 186        $xmanpage =~ s/^\Q$opts{'destdir'}\E// if $opts{'destdir'};
 187        print "  $xmanpage\n";
 188        if (!$opts{notify} && $parser->parse_from_file($pod, $tmp)) {
 189            if (-s $tmp) {
 190                if (rename($tmp, $manpage)) {
 191                    $packlist->{$xmanpage} = { type => 'file' };
 192                    next;
 193                }
 194            }
 195            unlink($tmp);
 196        }
 197    }
 198}
 199
 200$packlist->write() unless $opts{notify};
 201print "  Installation complete\n" if $opts{verbose};
 202
 203exit 0;
 204
 205sub rename {
 206    my($from,$to) = @_;
 207    if (-f $to and not unlink($to)) {
 208        my($i);
 209        for ($i = 1; $i < 50; $i++) {
 210            last if CORE::rename($to, "$to.$i");
 211        }
 212        warn("Cannot rename to `$to.$i': $!"), return 0 
 213            if $i >= 50;        # Give up!
 214    }
 215    link($from,$to) || return 0;
 216    unlink($from);
 217}
 218
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