summaryrefslogtreecommitdiff
path: root/installman
blob: 5f0a7a6f4f7910f7b10a5f3855af7768de4f7b30 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
#!./perl -w
BEGIN {
    @INC = qw(lib);

    # This needs to be at BEGIN time, before any use of Config
    require './install_lib.pl';
}
use strict;

use Getopt::Long;
require File::Path;
use ExtUtils::Packlist;
use Pod::Man;
use vars qw(%opts $packlist);

require './Porting/pod_lib.pl';
my %man1 = (map {($_->[0], $_->[1])} @{get_pod_metadata()->{master}});

$ENV{SHELL} = 'sh' if $^O eq 'os2';

my $patchlevel = substr($],3,2);
die "Patchlevel of perl ($patchlevel)",
    "and patchlevel of config.sh ($Config{'PERL_VERSION'}) don't match\n"
	if $patchlevel != $Config{'PERL_VERSION'};

my $usage =
"Usage:  installman --man1dir=/usr/wherever --man1ext=1
                   --man3dir=/usr/wherever --man3ext=3
	           --notify --verbose --silent --help
	Defaults are:
	man1dir = $Config{'installman1dir'};
	man1ext = $Config{'man1ext'};
	man3dir = $Config{'installman3dir'};
	man3ext = $Config{'man3ext'};
	--notify  (or -n) just lists commands that would be executed.
        --verbose (or -V) report all progress.
        --silent  (or -S) be silent. Only report errors.\n";

GetOptions( \%opts,
            qw( man1dir=s man1ext=s man3dir=s man3ext=s
                destdir:s notify n help silent S verbose V))
	|| die $usage;
die $usage if $opts{help};
$opts{destdir} //= '';

foreach my $pre (qw(man1 man3)) {
    $opts{"${pre}dir"} //= $opts{destdir} . $Config{"install${pre}dir"};
    $opts{"${pre}ext"} //= $Config{"${pre}ext"};
}
$opts{silent} ||= $opts{S};
$opts{notify} ||= $opts{n};
$opts{verbose} ||= $opts{V} || $opts{notify};

#Sanity checks

-x  "./perl$Config{exe_ext}"
  or warn "./perl$Config{exe_ext} not found!  Have you run make?\n";
-d  "$opts{destdir}$Config{'installprivlib'}"
	|| warn "Perl library directory $Config{'installprivlib'} not found.
		Have you run make install?.  (Installing anyway.)\n";
-x "t/perl$Config{exe_ext}"		|| warn "WARNING: You've never run 'make test'!!!",
	"  (Installing anyway.)\n";

$packlist = ExtUtils::Packlist->new("$opts{destdir}$Config{installarchlib}/.packlist");

# Install the main pod pages.
pod2man(\%man1, $opts{man1dir}, $opts{man1ext}, 'pod');

# Install the pods for library modules.
{
    my $found = pods_to_install();
    pod2man($found->{$_}, $opts{man3dir}, $opts{man3ext}, 'lib')
        foreach qw(MODULE PRAGMA);
}

# Install the pods embedded in the installed scripts
my $has_man1dir = $opts{man1dir} ne '' && -d $opts{man1dir};
my $fh = open_or_die('utils.lst');
while (<$fh>) {
    next if /^#/;
    chomp;
    my ($path, $leaf) = m|^(\S*/(\S+))|;
    # Have we already installed the manpage for this? (eg perldoc, a2p)
    next if $man1{$leaf};
    pod2man({$leaf, $path}, $opts{man1dir}, $opts{man1ext});
    if ($has_man1dir) {
        if (my ($link) = m|#.*link\s*=\s*\S+/(\S+)|) {
            my $old = "$opts{man1dir}/$leaf.$opts{man1ext}";
            my $new = "$opts{man1dir}/$link.$opts{man1ext}";
	    unlink($new);
	    link($old, $new);
            $old =~ s/^\Q$opts{destdir}\E// if $opts{destdir};
            $new =~ s/^\Q$opts{destdir}\E// if $opts{destdir};
            $packlist->{$new} = { from => $old, type => 'link' };
	}
    }
}
close $fh or my_die("close 'utils.lst': $!");

sub pod2man {
    my($modpods, $mandir, $manext, $where) = @_;
    if ($mandir eq ' ' or $mandir eq '') {
        if ($where) {
            warn "Skipping installation of $where man pages.\n"
        } else {
            warn "Skipping installation of $_ man page.\n"
                foreach values %$modpods;
        }
        return;
    }

    if ($opts{verbose}) {
        if ($where) {
            print "installing from $where\n";
        } else {
            print "installing $_\n"
                foreach sort keys %$modpods;
        }
    }

    File::Path::mkpath($mandir, $opts{verbose}, 0777) unless $opts{notify};

    foreach my $manpage (sort keys %$modpods) {
        my $mod = $modpods->{$manpage};

	# Skip files without pod docs
	my $has_pod;
        my $fh = open_or_die($mod);
        while (my $line = <$fh>) {
            if ($line =~ /^=head1\b/) {
                ++$has_pod;
                last;
            }
        }
	close $fh or my_die("close '$mod': $!");
        # Sadly it doesn't seem possible to re-use this handle for the call
        # to parse_from_file() below, as Pod::Man relies on source_filename(),
        # which Pod::Simple only sets accurately if it opens the file itself.

	unless ($has_pod)
	{
	    warn "no documentation in $mod\n";
	    next;
	}

	if ($^O eq 'os2' || $^O eq 'amigaos' || $^O eq 'uwin' || $^O eq 'cygwin') {
            $manpage =~ s#::#.#g;
	}
        my $tmp = "${mandir}/${manpage}.tmp";
	$manpage = "${mandir}/${manpage}.${manext}";

        my $parser = Pod::Man->new( section => $manext,
                                    official=> 1,
                                    center  => 'Perl Programmers Reference Guide'
                                  );
	my $xmanpage = $manpage;
	$xmanpage =~ s/^\Q$opts{'destdir'}\E// if $opts{'destdir'};
        print "  $xmanpage\n";
        if (!$opts{notify} && $parser->parse_from_file($mod, $tmp)) {
            if (-s $tmp) {
                if (rename($tmp, $manpage)) {
                    $packlist->{$xmanpage} = { type => 'file' };
                    next;
                }
            }
            unlink($tmp);
	}
    }
}

$packlist->write() unless $opts{notify};
print "  Installation complete\n" if $opts{verbose};

sub rename {
    my($from,$to) = @_;
    if (-f $to and not unlink($to)) {
	my($i);
	for ($i = 1; $i < 50; $i++) {
	    last if CORE::rename($to, "$to.$i");
	}
	warn("Cannot rename to '$to.$i': $!"), return 0
	    if $i >= 50;	# Give up!
    }
    link($from,$to) || return 0;
    unlink($from);
}

# Local variables:
# cperl-indent-level: 4
# indent-tabs-mode: nil
# End:
#
# ex: set ts=8 sts=4 sw=4 et: