Commit | Line | Data |
48af1939 |
1 | package App::FatPacker; |
2 | |
3 | use strict; |
4 | use warnings FATAL => 'all'; |
5 | use Getopt::Long; |
6 | use Cwd qw(cwd); |
7 | use File::Find qw(find); |
8 | use File::Spec::Functions qw( |
9 | catdir splitpath splitdir catpath rel2abs abs2rel |
10 | ); |
11 | use File::Copy qw(copy); |
12 | use File::Path qw(make_path remove_tree); |
13 | use B qw(perlstring); |
14 | |
15 | my $option_parser = Getopt::Long::Parser->new( |
16 | config => [ qw(require_order pass_through bundling no_auto_abbrev) ] |
17 | ); |
18 | |
19 | sub call_parser { |
20 | local *ARGV = [ @{$_[0]} ]; |
21 | $option_parser->getoptions(@{$_[1]}); |
22 | [ @ARGV ]; |
23 | } |
24 | |
25 | sub lines_of { |
26 | map +(chomp,$_)[1], do { local @ARGV = ($_[0]); <> }; |
27 | } |
28 | |
29 | sub stripspace { |
30 | my ($text) = @_; |
31 | $text =~ /^(\s+)/ && $text =~ s/^$1//mg; |
32 | $text; |
33 | } |
34 | |
35 | our $VERSION = '0.009001'; # 0.9.1 |
36 | |
37 | $VERSION = eval $VERSION; |
38 | |
39 | sub import { |
40 | $_[1] eq '-run_script' |
41 | and return shift->new->run_script; |
42 | } |
43 | |
44 | sub new { bless({}, $_[0]) } |
45 | |
46 | sub run_script { |
47 | my ($self, $args) = @_; |
48 | my @args = $args ? @$args : @ARGV; |
49 | (my $cmd = shift @args) =~ s/-/_/g; |
50 | if (my $meth = $self->can("script_command_${cmd}")) { |
51 | $self->$meth(\@args); |
52 | } else { |
53 | die "No such command ${cmd}"; |
54 | } |
55 | } |
56 | |
57 | sub script_command_trace { |
58 | my ($self, $args) = @_; |
59 | |
60 | $args = call_parser $args => [ |
61 | 'to=s' => \my $file, |
62 | 'to-stderr' => \my $to_stderr, |
63 | ]; |
64 | |
65 | die "Can't use to and to-stderr on same call" if $file && $to_stderr; |
66 | |
67 | (my $use_file = $file) ||= 'fatpacker.trace'; |
68 | if (!$to_stderr and -e $use_file) { |
69 | unlink $use_file or die "Couldn't remove old trace file: $!"; |
70 | } |
71 | my $arg = do { |
72 | if ($file) { |
73 | "=>>${file}" |
74 | } elsif ($to_stderr) { |
75 | "=>&STDERR" |
76 | } else { |
77 | "" |
78 | } |
79 | }; |
80 | { |
81 | local $ENV{PERL5OPT} = '-MApp::FatPacker::Trace'.$arg; |
82 | system $^X, @$args; |
83 | } |
84 | } |
85 | |
86 | sub script_command_packlists_for { |
87 | my ($self, $args) = @_; |
88 | foreach my $pl ($self->packlists_containing($args)) { |
89 | print "${pl}\n"; |
90 | } |
91 | } |
92 | |
93 | sub packlists_containing { |
94 | my ($self, $targets) = @_; |
95 | my @targets = @$targets; |
96 | require $_ for @targets; |
97 | my @search = grep -d $_, map catdir($_, 'auto'), @INC; |
98 | my %pack_rev; |
99 | my $cwd = cwd; |
100 | find(sub { |
101 | return unless $_ eq '.packlist' && -f $_; |
102 | $pack_rev{$_} = $File::Find::name for lines_of $File::Find::name; |
103 | }, @search); |
104 | chdir($cwd) or die "Couldn't chdir back to ${cwd} after find: $!"; |
105 | my %found; @found{map $pack_rev{$INC{$_}}, @targets} = (); |
106 | sort keys %found; |
107 | } |
108 | |
109 | sub script_command_tree { |
110 | my ($self, $args) = @_; |
111 | my $base = catdir(cwd,'fatlib'); |
112 | $self->packlists_to_tree($base, $args); |
113 | } |
114 | |
115 | sub packlists_to_tree { |
116 | my ($self, $where, $packlists) = @_; |
117 | remove_tree $where; |
118 | make_path $where; |
119 | foreach my $pl (@$packlists) { |
120 | my ($vol, $dirs, $file) = splitpath $pl; |
121 | my @dir_parts = splitdir $dirs; |
122 | my $pack_base; |
123 | PART: foreach my $p (0 .. $#dir_parts) { |
124 | if ($dir_parts[$p] eq 'auto') { |
125 | # $p-2 since it's <wanted path>/$Config{archname}/auto |
126 | $pack_base = catpath $vol, catdir @dir_parts[0..$p-2]; |
127 | last PART; |
128 | } |
129 | } |
130 | die "Couldn't figure out base path of packlist ${pl}" unless $pack_base; |
131 | foreach my $source (lines_of $pl) { |
132 | # there is presumably a better way to do "is this under this base?" |
133 | # but if so, it's not obvious to me in File::Spec |
134 | next unless substr($source,0,length $pack_base) eq $pack_base; |
135 | my $target = rel2abs( abs2rel($source, $pack_base), $where ); |
136 | my $target_dir = catpath((splitpath $target)[0,1]); |
137 | make_path $target_dir; |
138 | copy $source => $target; |
139 | } |
140 | } |
141 | } |
142 | |
143 | sub script_command_file { |
144 | my ($self, $args) = @_; |
145 | my $file = shift @$args; |
146 | my $cwd = cwd; |
147 | my @dirs = map rel2abs($_, $cwd), ('lib','fatlib'); |
148 | my %files; |
149 | foreach my $dir (@dirs) { |
150 | find(sub { |
151 | return unless -f $_; |
152 | !/\.pm$/ and warn "File ${File::Find::name} isn't a .pm file - can't pack this and if you hoped we were going to things may not be what you expected later\n" and return; |
153 | $files{abs2rel($File::Find::name,$dir)} = do { |
154 | local (@ARGV, $/) = ($File::Find::name); <> |
155 | }; |
156 | }, $dir); |
157 | } |
158 | my $start = stripspace <<' END_START'; |
159 | # This chunk of stuff was generated by App::FatPacker. To find the original |
160 | # file's code, look for the end of this BEGIN block or the string 'FATPACK' |
161 | BEGIN { |
162 | my %fatpacked; |
163 | END_START |
164 | my $end = stripspace <<' END_END'; |
165 | s/^ //mg for values %fatpacked; |
166 | |
167 | unshift @INC, sub { |
168 | if (my $fat = $fatpacked{$_[1]}) { |
169 | open my $fh, '<', \$fat; |
170 | return $fh; |
171 | } |
172 | return |
173 | }; |
174 | |
175 | } # END OF FATPACK CODE |
176 | END_END |
177 | my @segments = map { |
178 | (my $stub = $_) =~ s/\.pm$//; |
179 | my $name = uc join '_', split '/', $stub; |
180 | my $data = $files{$_}; $data =~ s/^/ /mg; |
181 | '$fatpacked{'.perlstring($_).qq!} = <<'${name}';\n! |
182 | .qq!${data}${name}\n!; |
183 | } sort keys %files; |
184 | print join "\n", $start, @segments, $end; |
185 | } |
186 | 1; |