The Perl Toolchain Summit 2025 Needs You: You can help 🙏 Learn more

MATHIAS / Dist-Setup-0.16 / lib / Dist / Setup.pm 

            

              
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

              
package Dist::Setup;
use strict;
use warnings;
use utf8;
use feature ':5.24';
use version 0.77;
use Eval::Safe;
use File::Basename 'basename', 'dirname';
use File::Copy;
use File::Find;
use File::Spec::Functions 'abs2rel', 'catfile';
use Template;
use Time::localtime;
our $VERSION = '0.16';
our %conf;  # to be shared with the Eval::Safe object.
my $tt;
my $tt_raw;
my $target_dir;
my $footer_marker = '# End of the template. You can add custom content below this line.';
sub setup {
  my ($data_dir, $target_dir_local) = @_;
  $target_dir = $target_dir_local;
  my $conf_file_name = 'dist_setup.conf';
  my $conf_file = catfile($target_dir, $conf_file_name);
  if (!-e $conf_file) {
    print STDERR "No ${conf_file_name} in target directory.\n";
    copy(catfile($data_dir, $conf_file_name), $conf_file)
        or die "Cannot copy ${conf_file_name}: $!\n";
    print STDERR "Created a new configuration file. Modify it then run this tool again.\n";
    exit 0;
  }
  my $eval = Eval::Safe->new();
  %conf = %{$eval->do($conf_file)}
      or die "Cannot parse the ${conf_file_name} configuration: $@\n";
  $eval->share('%conf');
  $conf{auto}{date}{year} = localtime->year() + 1900;  ## no critic (ProhibitMagicNumbers)
  $conf{dist_name} //= $conf{name} =~ s/::/-/gr;
  $conf{dist_package} //= $conf{name} =~ s/::/\//gr;  # Undocumented for now, used only by the `make exe` target
  $conf{base_package} //= 'lib/'.($conf{name} =~ s{::}{/}gr).'.pm';
  $conf{footer_marker} = $footer_marker;
  $conf{short_min_perl_version} =
      version->parse($conf{min_perl_version})->normal =~ s/^v(\d+\.\d+)\..*$/$1/r;
  $conf{dotted_min_perl_version} =
      version->parse($conf{min_perl_version})->normal =~ s/^v(\d+(?:\.\d+)*).*$/$1/r;
  if ($conf{github}{use_ci}) {
    $conf{github}{use_ci} = {} unless ref $conf{github}{use_ci};
    $conf{github}{use_ci}{runners} = [qw(ubuntu windows macos)]
        unless exists $conf{github}{use_ci}{runners};
  }
  $tt = Template->new({
    INCLUDE_PATH => $data_dir,
    OUTPUT_PATH => $target_dir,
    ENCODING => 'utf8',
    EVAL_PERL => 1,
    PRE_PROCESS => 'tt_header',
    POST_PROCESS => 'tt_footer',
  });
  $tt_raw = Template->new({
    INCLUDE_PATH => $data_dir,
    OUTPUT_PATH => $target_dir,
    ENCODING => 'utf8',
    EVAL_PERL => 1,
  });
  find({
      no_chdir => 1,
      wanted => sub {
        my $f = basename($_);
        if ($f =~ m/^\./) {
          $File::Find::prune = 1;
          return;
        }
        return if $f eq 'dist_setup.conf';
        return if $f =~ m/^tt_/;
        return if $f =~ m/\.cond$/;
        my $src = abs2rel($_, $data_dir);
        my $out = $src;
        $out =~ s/(^|\/)dot_/${1}./g;
        my $cond_file = -d $_ ? catfile($_, '.cond') : $_.'.cond';
        if (-f $cond_file) {
          my $ret = $eval->do($cond_file);
          die "Cannot evaluate ${cond_file}: $@\n" if $@;
          die "Cannot read ${cond_file}: $!\n" if $!;
          if (!$ret) {
            $File::Find::prune = 1;
            print "Skipped ${out}\n";
            return;
          }
        }
        return if -d $_;
        die "Cannot read $_: $!\n" unless -r $_;
        print "Processing ${out}\n";
        setup_file($src, $out);
      },
    },
    $data_dir);
  return;
}
sub setup_file {
  my ($src_file, $target_file) = @_;
  my $footer = q{};
  my $dest_tt;
  if ($src_file =~ m/\.raw$/) {
    $dest_tt = $tt_raw;
    $target_file =~ s/\.raw$//;
  } else {
    $dest_tt = $tt;
    my $dest_file = catfile($target_dir, $target_file);
    if (-e $dest_file) {
      open my $f, '<:encoding(UTF-8)', $dest_file
          or die "Cannot open '$dest_file': $!\n";
      while (<$f>) {
        last if /^${footer_marker}$/m;
      }
      $footer = do { local $/ = undef; <$f> } unless eof($f);
      $footer =~ s/\n+$//;
      $footer = "\n".$footer if $footer;  # There is no new line before footer in the template.
      close $f or die "Cannot close '$dest_file': $!\n";
    }
  }
  $dest_tt->process($src_file, {%conf, footer_content => $footer},
    $target_file, {binmode => ':utf8'})
      or die "Cannot process template ${src_file}: ".$dest_tt->error()."\n";
  return;
}
1;
__END__
=pod
=encoding utf8
=head1 NAME
Dist::Setup – Internal implementation for the C<perl_dist_setup> tool.
For all the documentation, please refer to the L<perl_dist_setup> page.