summaryrefslogtreecommitdiff
path: root/Master/tlpkg/bin/tlpkginfo
blob: 48784ec4e535003707fd7e1a99b4a0e5599c3194 (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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
#!/usr/bin/env perl
# $Id$
# Public domain.  Originally written 2005, Karl Berry.
# 
# Return information given a TL package name (i.e., a tpm file name).
# We use local copies of CTAN and the TeX Catalogue.

exit (&main ());

sub main
{
  $CTAN = $ENV{"CTAN"} || "/home/ftp/tex-archive";
  $TMPDIR = $ENV{"TMPDIR"} || "/tmp";
  $CATALOGUE = $ENV{"TEX_CATALOGUE"} || "/home/httpd/html/catalogue/entries";
  -d "$CATALOGUE/k"
    || die "$0: TEX_CATALOGUE ($CATALOGUE) must point to entries/ subdir"
           . " of a TeX Catalogue checkout.\n";
  
  # erroneous tds files (warn Robin about them)
  # list format: pkg1|pkg2|etc
  $erroneous_tds = "bidi|elsarticle|lcyw|xetexfontinfo";

  # special packages from latex-tds project (used by prepare())
  $corelatex_tds_pkgs = "babel|cyrillic|graphics|latex|psnfss|tools";
  $amslatex_tds_pkgs = "ams|amsrefs|amsmath"; # for tlpsrc_find_catalogue() too
  $latex_tds_pkgs = "latex-tds|knuth||$amslatex_tds_pkgs|$corelatex_tds_pkgs";
  $latex_tds_dir = "$CTAN/macros/latex/contrib/latex-tds";

  if ($ARGV[0] eq "--ctan-dir") {
    my $output = &find_ctan_dir ($ARGV[1]);
    print "$output\n";
    return $output ? 0 : 1;

  } elsif ($ARGV[0] eq "--prepare") {
    my $output = &prepare ($ARGV[1]);
    print "$output\n";
    return $output ? 0 : 1;

  } elsif ($ARGV[0] eq "--ctan-root") {
    print "$CTAN\n";
    return 0;

  } else {
    die "Usage: $0 --ctan-dir PKGNAME  or  --prepare PKGNAME
      or --ctan-root  (not \"@ARGV\").\n";
  }
}

# 
# Return 0 for success if we find a path (and print it on stdout), else
# return 1.
# 
sub find_ctan_dir 
{
  my ($me) = @_;
  return 1 unless $me;  
  
  # use explicit catalogue name if given in tlpsrc.
  $me = &tlpsrc_find_catalogue ($me) || $me;
  
  # ctan (and latex-tds) bundles all ams packages together,
  # but we use separate tlp names
  $me = "amslatex" if me =~ /^($amslatex_tds_pkgs)$/;

  # The CTAN path to a package is sometimes stored in the TeX Catalogue,
  # but old entries don't have it, etc.  Still, we want to use it if present.
  my $ctan_dir = &catalogue_find_ctan_path ($me);
  if (! $ctan_dir) {
    # fall back on many special cases
    (my $menobin = $me) =~ s,^bin-,,;
    (my $menopowerdot = $me) =~ s,^powerdot-,,;
    (my $menotype1 = $me) =~ s,-type1$,,;

    for my $dir (
      "macros/latex/contrib/$me",			# most everything
      "macros/latex/contrib/\L$me",		# HA-prosper
      "macros/latex/contrib/powerdot/contrib/$menopowerdot", # powerdot-doc-vn
      "macros/latex/exptl/$me",			# semioneside
      "macros/latex/required/$me",		# babel
      "macros/plain/$me",			# plnfss
      "macros/plain/contrib/$me",		# timetable
      "macros/context/contrib/$me",		# context
      "macros/xetex/latex/$me",			# xetex
      "macros/xetex/generic/$me",		# harvardkyoto
      "macros/generic/$me",			# abbr
      "macros/generic/diagrams/$me",		# circ
      "macros/$me",				# eplain
      "support/$me",				# thumbpdf
      "support/$menobin",				# bin-thumbpdf
      "language/vietnamese/$me/unpacked",		# vntex
      "language/hyphenation/$me",			# bghyphen
      "language/hebrew/$me",			# cjhebrew
      "language/greek/package-babel/$me",		# ibycus-babel
      "language/devanagari/$me",		# velthuis
      "language/croatian/$me",			# hrlatex
      "language/coptic/$me",			# cbcoptic
      "info/spanish/$me",			# guia-bibtex
      "info/symbols/$me",			# comprehensive
      "info/math/voss/$me",			# mathmode
      "info/challenges/$me",			# AroBend
      "info/bibtex/$me",			# tamethebeast
      "info/$me",				# Type1fonts
      "help/$me",				# es-tex-faq
      "graphics/$me",				# sparklines
      "graphics/metapost/contrib/macros/$me",	# mpattern
      "graphics/pictex/addon/$me",		# autoarea
      "graphics/pstricks/contrib/pedigree/$me",	# pst-pdgr
      "graphics/pstricks/contrib/$me",		# pstricks-add
      "fonts/$me",				# MnSymbol
      "fonts/utilities/$me",			# accfonts
      "fonts/ps-type1/$me",			# cm-super
      "fonts/ps-type1/$menotype1",		# esint-type1
      "fonts/greek/$me",				# lfb
      "fonts/gothic/$me",				# blacklettert1
      "fonts/cyrillic/$me/texmf",			# lh
      "fonts/chess/$me",				# skaknew
      "biblio/bibtex/contrib/$me",		# dk-bib
                 ) {
      if (-d "$CTAN/$dir") {
        $ctan_dir = $dir;
        last;
      }
    }

    # names totally dissimilar
    $ctan_dir = "fonts/fourier-GUT" if $me eq "fourier";
    $ctan_dir = "graphics/pdftex" if $me eq "pdftex-def";
    $ctan_dir = "info/biblio" if $me eq "beebe";
    $ctan_dir = "info/epslatex/french" if $me eq "epslatex-fr";
    $ctan_dir = "info/impatient/fr" if $me eq "impatient-fr";
    $ctan_dir = "info/italian/amsldoc" if $me eq "amsldoc-it";
    $ctan_dir = "info/italian/amsthdoc" if $me eq "amsthdoc-it";
    $ctan_dir = "info/tex-references" if $me eq "tex-refs";
    $ctan_dir = "info/translations/vn" if $me eq "ntheorem-vn";
    $ctan_dir = "language/armenian/armtex" if $me eq "armenian";
    $ctan_dir = "language/basque" if $me eq "hyphen-basque";
    $ctan_dir = "language/hungarian/babel" if $me eq "magyar";
    $ctan_dir = "language/hyphenation/elhyphen" if $me eq "hyphen-greek";
    $ctan_dir = "language/hyphenation/dehyph" if $me eq "hyphen-german";
    $ctan_dir = "macros/latex/contrib/misc" if $me eq "ltxmisc";
    $ctan_dir = "macros/generic" if $me eq "genmisc";
    $ctan_dir = "info/lshort/chinese" if $me eq "lshort-chinese";

    # do last, for sake of subdirs above.
    $ctan_dir = "language/hyphenation"
      if $me =~ /^hyphen-/ && ! $ctan_dir;
  }

  # prepend ctan root if not an absolute dir (this happens when we make
  # a temp dir).
  $ctan_dir = "$CTAN/$ctan_dir" if $ctan_dir =~ m,^[^/],;
  return $ctan_dir
}



# If the .tlpsrc file for ME has a catalogue entry, return it.
# Else return empty string.
# 
sub tlpsrc_find_catalogue
{
  my ($me) = @_;
  
  chomp (my $mydir = `dirname $0`);
  chomp (my $tlpsrcdir = `cd $mydir/../tlpsrc && /bin/pwd`);
  my $tlpsrc = "$tlpsrcdir/$me.tlpsrc";
  if (! -r $tlpsrc) {
    warn "$0: no tlpsrc $tlpsrc\n";
    return "";
  }

  chomp (my $cat = `awk '\$1 == "catalogue" {print \$2}' $tlpsrc`);
  return $cat;
}



# look up ctan path for given package name in catalogue entry.
# xml is too hard to parse, so just look for the <ctan path...> entry.
# 
# Return the ctan path if found (without leading /), or undef.
# 
sub catalogue_find_ctan_path
{
  my ($pkgname) = @_;
  
  my $firstchar = substr ($pkgname, 0, 1);
  my $catfile =  "$CATALOGUE/$firstchar/$pkgname.xml";
  return undef unless -r $catfile;

  # get the raw tag from the catalogue file.
  open CATFILE, '<', $catfile or die "Cannot read $catfile: $!\nFix me!\n";
  while ($ctan_path = <CATFILE>) { last if $ctan_path =~ /<ctan / }
  do { close CATFILE; return undef } unless $ctan_path; # the tag may not exist
  $ctan_path .= $_ while (($ctan_path !~ m#/>#) and (<CATFILE>));
  close CATFILE;
  $ctan_path =~ s/\n/ /g;
  ($ctan_path) = ($ctan_path =~ m#(<.*?/>)#);
  return undef unless $ctan_path;  # in case it's not present at all

  # extract just the dir or file name, without options, etc.
  $ctan_path =~ m#path=(["'])/(.*?)\1#;
  $ctan_loc = $2;
  return undef unless $ctan_loc; # should never happen, but who knows

  # if the Catalogue lists the path as a single file, there are two
  # possibilities: (1) it really is a single file, e.g., texilikecover,
  # in which case we copy that file into a temp dir and return that temp
  # dir; (2) it is actually in its own directory, e.g., ifxetex, in
  # which case we return undef here and let the code above find it.
  # (The Catalogue maintainers do not consider this a problem for
  # various reasons.)
  # 
  if ($ctan_path =~ /file='true'/) {
    if ($ctan_path =~ m,/$pkgname/,) {  # pkg dir somewhere in path?
      return undef;
    } else {
      return $do_copy # are we called by prepare() or not? 
      ? &copy_to_tmpdir ($pkgname, "$CTAN/$ctan_loc")
      : "$CTAN/$ctan_loc";
    }
  }
  
  # not a single file, so use the regular ctan location.  
  return $ctan_loc;
}

# 
# Create a tmpdir with the tds-ready tree unpacked if any,
# else return the normal ctan dir.
#
sub prepare
{
  my ($pkg) = @_;
  return undef unless $pkg;

  # find the real ctan dir and return it if our tds is erroneous
  # (warn Robin Fairbairns about buggy tds zips)
  $do_copy = 1; # ask find_catalogue() to copy single files, too
  my $ctan_loc = &find_ctan_dir ("$pkg");
  return $ctan_loc if ($pkg =~ /^($erroneous_tds)$/);

  # tds path is usually in ctan/install...
  my $tds_path = "$ctan_loc.tds.zip";
  $tds_path =~ s#^$CTAN#$CTAN/install#;

  # ...except for files in latex-tds...
  if ($pkg =~ /^($latex_tds_pkgs)$/) {
    $tds_path = "$latex_tds_dir/$pkg.tds.zip";
    # ...and some exceptions in latex-tds itself.
    $tds_path = "$latex_tds_dir/source.tds.zip" if ($pkg eq "latex-tds");
    $tds_path = "$latex_tds_dir/base.tds.zip" if ($pkg eq "latex");
    $tds_path = "$latex_tds_dir/amslatex.tds.zip" 
    if ($pkg =~ /^($amslatex_tds_pkgs)$/);
  }

  return $ctan_loc unless (-s $tds_path);
  
  # now we have a tds, so unzip it in a tmpdir
  my $tmpdir = &copy_to_tmpdir ($pkg);
  system ("unzip -q $tds_path -d $tmpdir");
  # put a flag for ctan2tds' donormal() to work
  system ("echo $tds_path >$tmpdir/TDS_READY");

  # more problems with amsmath: we got all three packages together,
  # we now have to remove the unwanted ones...
  if ($pkg =~ /^($amslatex_tds_pkgs)$/) {
    chdir ($tmpdir);
    my @deldir = ();
    # List of subsubdirectories, at the package level.
    chomp (my @dirlist = `find */*/* -type d | sort -u`);
    for my $dir (@dirlist) {
      next if $dir =~ m!$pkg$!;  # keep matching directories
      push (@deldir, $dir);
    }
    system ("rm -rf @deldir");       # discard the rest
  }

  return $tmpdir;
}

# copy file to temp dir and return that for ctan2tl to use.
#
sub copy_to_tmpdir
{
  my ($pkgname,$src) = @_;
  
  my $pkgdir = "$TMPDIR/tl.$pkgname";
  system ("rm -rf $pkgdir");
  mkdir ($pkgdir, 0777);

  # warn "$0: copying single file $src\n"; 

  system ("cp -p '$src' '$pkgdir/'") if $src;

  # special cases
  if ($pkgname eq "cc-pl") {
      # there's no real ctan dir for this package, just a zip
      system ("cd $pkgdir && unzip -q cc-pl.zip && rm cc-pl.zip");
  }
  
  return $pkgdir;
}