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Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -03001#!/usr/bin/perl
2use strict;
3
4# Copyright (c) 2017 Mauro Carvalho Chehab <mchehab@kernel.org>
5#
6# This program is free software; you can redistribute it and/or
7# modify it under the terms of the GNU General Public License
8# as published by the Free Software Foundation; either version 2
9# of the License, or (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15
Mauro Carvalho Chehab5be33182017-07-17 18:46:37 -030016my $virtenv_dir = "sphinx_1.4";
Mauro Carvalho Chehabfb947f32017-07-17 18:46:38 -030017my $requirement_file = "Documentation/sphinx/requirements.txt";
Mauro Carvalho Chehab5be33182017-07-17 18:46:37 -030018
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -030019#
20# Static vars
21#
22
23my %missing;
24my $system_release;
25my $need = 0;
26my $optional = 0;
27my $need_symlink = 0;
28my $need_sphinx = 0;
29my $install = "";
30
31#
32# Command line arguments
33#
34
35my $pdf = 1;
36my $virtualenv = 1;
37
38#
39# List of required texlive packages on Fedora and OpenSuse
40#
41
42my %texlive = (
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -030043 'amsfonts.sty' => 'texlive-amsfonts',
44 'amsmath.sty' => 'texlive-amsmath',
45 'amssymb.sty' => 'texlive-amsfonts',
46 'amsthm.sty' => 'texlive-amscls',
47 'anyfontsize.sty' => 'texlive-anyfontsize',
48 'atbegshi.sty' => 'texlive-oberdiek',
49 'bm.sty' => 'texlive-tools',
50 'capt-of.sty' => 'texlive-capt-of',
51 'cmap.sty' => 'texlive-cmap',
52 'ecrm1000.tfm' => 'texlive-ec',
53 'eqparbox.sty' => 'texlive-eqparbox',
54 'eu1enc.def' => 'texlive-euenc',
55 'fancybox.sty' => 'texlive-fancybox',
56 'fancyvrb.sty' => 'texlive-fancyvrb',
57 'float.sty' => 'texlive-float',
58 'fncychap.sty' => 'texlive-fncychap',
59 'footnote.sty' => 'texlive-mdwtools',
60 'framed.sty' => 'texlive-framed',
61 'luatex85.sty' => 'texlive-luatex85',
62 'multirow.sty' => 'texlive-multirow',
63 'needspace.sty' => 'texlive-needspace',
64 'palatino.sty' => 'texlive-psnfss',
65 'parskip.sty' => 'texlive-parskip',
66 'polyglossia.sty' => 'texlive-polyglossia',
67 'tabulary.sty' => 'texlive-tabulary',
68 'threeparttable.sty' => 'texlive-threeparttable',
69 'titlesec.sty' => 'texlive-titlesec',
70 'ucs.sty' => 'texlive-ucs',
71 'upquote.sty' => 'texlive-upquote',
72 'wrapfig.sty' => 'texlive-wrapfig',
73);
74
75#
76# Subroutines that checks if a feature exists
77#
78
79sub check_missing(%)
80{
81 my %map = %{$_[0]};
82
83 foreach my $prog (sort keys %missing) {
84 my $is_optional = $missing{$prog};
85
86 if ($is_optional) {
87 print "Warning: better to also install \"$prog\".\n";
88 } else {
89 print "ERROR: please install \"$prog\", otherwise, build won't work.\n";
90 }
91 if (defined($map{$prog})) {
92 $install .= " " . $map{$prog};
93 } else {
94 $install .= " " . $prog;
95 }
96 }
97
98 $install =~ s/^\s//;
99}
100
101sub add_package($$)
102{
103 my $package = shift;
104 my $is_optional = shift;
105
106 $missing{$package} = $is_optional;
107 if ($is_optional) {
108 $optional++;
109 } else {
110 $need++;
111 }
112}
113
114sub check_missing_file($$$)
115{
116 my $file = shift;
117 my $package = shift;
118 my $is_optional = shift;
119
120 return if(-e $file);
121
122 add_package($package, $is_optional);
123}
124
125sub findprog($)
126{
127 foreach(split(/:/, $ENV{PATH})) {
128 return "$_/$_[0]" if(-x "$_/$_[0]");
129 }
130}
131
132sub check_program($$)
133{
134 my $prog = shift;
135 my $is_optional = shift;
136
137 return if findprog($prog);
138
139 add_package($prog, $is_optional);
140}
141
142sub check_perl_module($$)
143{
144 my $prog = shift;
145 my $is_optional = shift;
146
147 my $err = system("perl -M$prog -e 1 2>/dev/null /dev/null");
148 return if ($err == 0);
149
150 add_package($prog, $is_optional);
151}
152
153sub check_python_module($$)
154{
155 my $prog = shift;
156 my $is_optional = shift;
157
158 my $err = system("python3 -c 'import $prog' 2>/dev/null /dev/null");
159 return if ($err == 0);
160 my $err = system("python -c 'import $prog' 2>/dev/null /dev/null");
161 return if ($err == 0);
162
163 add_package($prog, $is_optional);
164}
165
166sub check_rpm_missing($$)
167{
168 my @pkgs = @{$_[0]};
169 my $is_optional = $_[1];
170
171 foreach my $prog(@pkgs) {
172 my $err = system("rpm -q '$prog' 2>/dev/null >/dev/null");
173 add_package($prog, $is_optional) if ($err);
174 }
175}
176
177sub check_pacman_missing($$)
178{
179 my @pkgs = @{$_[0]};
180 my $is_optional = $_[1];
181
182 foreach my $prog(@pkgs) {
183 my $err = system("pacman -Q '$prog' 2>/dev/null >/dev/null");
184 add_package($prog, $is_optional) if ($err);
185 }
186}
187
188sub check_missing_tex($)
189{
190 my $is_optional = shift;
191 my $kpsewhich = findprog("kpsewhich");
192
193 foreach my $prog(keys %texlive) {
194 my $package = $texlive{$prog};
195 if (!$kpsewhich) {
196 add_package($package, $is_optional);
197 next;
198 }
199 my $file = qx($kpsewhich $prog);
200 add_package($package, $is_optional) if ($file =~ /^\s*$/);
201 }
202}
203
204sub check_sphinx()
205{
206 return if findprog("sphinx-build");
207
208 if (findprog("sphinx-build-3")) {
209 $need_symlink = 1;
210 return;
211 }
212
213 if ($virtualenv) {
Mauro Carvalho Chehab800d4082017-07-21 13:20:41 -0300214 my $prog = findprog("virtualenv-3");
215 $prog = findprog("virtualenv-3.5") if (!$prog);
216
217 check_program("virtualenv", 0) if (!$prog);
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300218 $need_sphinx = 1;
219 } else {
220 add_package("python-sphinx", 0);
221 }
222}
223
224#
225# Ancillary subroutines
226#
227
228sub catcheck($)
229{
230 my $res = "";
231 $res = qx(cat $_[0]) if (-r $_[0]);
232 return $res;
233}
234
235sub which($)
236{
237 my $file = shift;
238 my @path = split ":", $ENV{PATH};
239
240 foreach my $dir(@path) {
241 my $name = $dir.'/'.$file;
242 return $name if (-x $name );
243 }
244 return undef;
245}
246
247#
248# Subroutines that check distro-specific hints
249#
250
251sub give_debian_hints()
252{
253 my %map = (
254 "python-sphinx" => "python3-sphinx",
255 "sphinx_rtd_theme" => "python3-sphinx-rtd-theme",
256 "virtualenv" => "virtualenv",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300257 "dot" => "graphviz",
258 "convert" => "imagemagick",
259 "Pod::Usage" => "perl-modules",
260 "xelatex" => "texlive-xetex",
Mauro Carvalho Chehab8e7d5d12017-07-17 18:46:40 -0300261 "rsvg-convert" => "librsvg2-bin",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300262 );
263
264 if ($pdf) {
265 check_missing_file("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
266 "fonts-dejavu", 1);
267 }
268
269 check_program("dvipng", 1) if ($pdf);
270 check_missing(\%map);
271
272 return if (!$need && !$optional);
273 printf("You should run:\n\n\tsudo apt-get install $install\n");
274}
275
276sub give_redhat_hints()
277{
278 my %map = (
279 "python-sphinx" => "python3-sphinx",
280 "sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
281 "virtualenv" => "python3-virtualenv",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300282 "dot" => "graphviz",
283 "convert" => "ImageMagick",
284 "Pod::Usage" => "perl-Pod-Usage",
285 "xelatex" => "texlive-xetex-bin",
Mauro Carvalho Chehab8e7d5d12017-07-17 18:46:40 -0300286 "rsvg-convert" => "librsvg2-tools",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300287 );
288
Mauro Carvalho Chehab5d889532017-07-17 18:46:39 -0300289 my @fedora26_opt_pkgs = (
290 "graphviz-gd", # Fedora 26: needed for PDF support
291 );
292
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300293 my @fedora_tex_pkgs = (
294 "texlive-collection-fontsrecommended",
295 "texlive-collection-latex",
296 "dejavu-sans-fonts",
297 "dejavu-serif-fonts",
298 "dejavu-sans-mono-fonts",
299 );
300
Mauro Carvalho Chehab9b756a92017-07-24 09:09:24 -0300301 #
302 # Checks valid for RHEL/CentOS version 7.x.
303 #
Mauro Carvalho Chehab056af942019-07-13 08:50:24 -0300304 if (!($system_release =~ /Fedora/)) {
Mauro Carvalho Chehab9b756a92017-07-24 09:09:24 -0300305 $map{"virtualenv"} = "python-virtualenv";
306 }
307
Mauro Carvalho Chehab5d889532017-07-17 18:46:39 -0300308 my $release;
309
310 $release = $1 if ($system_release =~ /Fedora\s+release\s+(\d+)/);
311
312 check_rpm_missing(\@fedora26_opt_pkgs, 1) if ($pdf && $release >= 26);
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300313 check_rpm_missing(\@fedora_tex_pkgs, 1) if ($pdf);
314 check_missing_tex(1) if ($pdf);
315 check_missing(\%map);
316
317 return if (!$need && !$optional);
Mauro Carvalho Chehab9b756a92017-07-24 09:09:24 -0300318
319 if ($release >= 18) {
320 # dnf, for Fedora 18+
321 printf("You should run:\n\n\tsudo dnf install -y $install\n");
322 } else {
323 # yum, for RHEL (and clones) or Fedora version < 18
324 printf("You should run:\n\n\tsudo yum install -y $install\n");
325 }
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300326}
327
328sub give_opensuse_hints()
329{
330 my %map = (
331 "python-sphinx" => "python3-sphinx",
332 "sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
333 "virtualenv" => "python3-virtualenv",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300334 "dot" => "graphviz",
335 "convert" => "ImageMagick",
336 "Pod::Usage" => "perl-Pod-Usage",
337 "xelatex" => "texlive-xetex-bin",
Mauro Carvalho Chehab8e7d5d12017-07-17 18:46:40 -0300338 "rsvg-convert" => "rsvg-view",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300339 );
340
341 my @suse_tex_pkgs = (
342 "texlive-babel-english",
343 "texlive-caption",
344 "texlive-colortbl",
345 "texlive-courier",
346 "texlive-dvips",
347 "texlive-helvetic",
348 "texlive-makeindex",
349 "texlive-metafont",
350 "texlive-metapost",
351 "texlive-palatino",
352 "texlive-preview",
353 "texlive-times",
354 "texlive-zapfchan",
355 "texlive-zapfding",
356 );
357
358 check_rpm_missing(\@suse_tex_pkgs, 1) if ($pdf);
359 check_missing_tex(1) if ($pdf);
360 check_missing(\%map);
361
362 return if (!$need && !$optional);
363 printf("You should run:\n\n\tsudo zypper install --no-recommends $install\n");
364}
365
Mauro Carvalho Chehab800d4082017-07-21 13:20:41 -0300366sub give_mageia_hints()
367{
368 my %map = (
369 "python-sphinx" => "python3-sphinx",
370 "sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
371 "virtualenv" => "python3-virtualenv",
Mauro Carvalho Chehab800d4082017-07-21 13:20:41 -0300372 "dot" => "graphviz",
373 "convert" => "ImageMagick",
374 "Pod::Usage" => "perl-Pod-Usage",
375 "xelatex" => "texlive",
376 "rsvg-convert" => "librsvg2-tools",
377 );
378
379 my @tex_pkgs = (
380 "texlive-fontsextra",
381 );
382
Mauro Carvalho Chehab800d4082017-07-21 13:20:41 -0300383 check_rpm_missing(\@tex_pkgs, 1) if ($pdf);
384 check_missing(\%map);
385
386 return if (!$need && !$optional);
387 printf("You should run:\n\n\tsudo urpmi $install\n");
388}
389
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300390sub give_arch_linux_hints()
391{
392 my %map = (
393 "sphinx_rtd_theme" => "python-sphinx_rtd_theme",
394 "virtualenv" => "python-virtualenv",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300395 "dot" => "graphviz",
396 "convert" => "imagemagick",
397 "xelatex" => "texlive-bin",
Mauro Carvalho Chehab8e7d5d12017-07-17 18:46:40 -0300398 "rsvg-convert" => "extra/librsvg",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300399 );
400
401 my @archlinux_tex_pkgs = (
402 "texlive-core",
403 "texlive-latexextra",
404 "ttf-dejavu",
405 );
406 check_pacman_missing(\@archlinux_tex_pkgs, 1) if ($pdf);
407 check_missing(\%map);
408
409 return if (!$need && !$optional);
410 printf("You should run:\n\n\tsudo pacman -S $install\n");
411}
412
413sub give_gentoo_hints()
414{
415 my %map = (
416 "sphinx_rtd_theme" => "dev-python/sphinx_rtd_theme",
417 "virtualenv" => "dev-python/virtualenv",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300418 "dot" => "media-gfx/graphviz",
419 "convert" => "media-gfx/imagemagick",
420 "xelatex" => "dev-texlive/texlive-xetex media-fonts/dejavu",
Mauro Carvalho Chehab8e7d5d12017-07-17 18:46:40 -0300421 "rsvg-convert" => "gnome-base/librsvg",
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300422 );
423
424 check_missing_file("/usr/share/fonts/dejavu/DejaVuSans.ttf",
425 "media-fonts/dejavu", 1) if ($pdf);
426
427 check_missing(\%map);
428
429 return if (!$need && !$optional);
Mauro Carvalho Chehabbba1e4c2017-07-17 18:46:41 -0300430
431 printf("You should run:\n\n");
432 printf("\tsudo su -c 'echo \"media-gfx/imagemagick svg png\" > /etc/portage/package.use/imagemagick'\n");
433 printf("\tsudo su -c 'echo \"media-gfx/graphviz cairo pdf\" > /etc/portage/package.use/graphviz'\n");
434 printf("\tsudo emerge --ask $install\n");
435
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300436}
437
438sub check_distros()
439{
440 # Distro-specific hints
441 if ($system_release =~ /Red Hat Enterprise Linux/) {
442 give_redhat_hints;
443 return;
444 }
Mauro Carvalho Chehab9b756a92017-07-24 09:09:24 -0300445 if ($system_release =~ /CentOS/) {
446 give_redhat_hints;
447 return;
448 }
449 if ($system_release =~ /Scientific Linux/) {
450 give_redhat_hints;
451 return;
452 }
453 if ($system_release =~ /Oracle Linux Server/) {
454 give_redhat_hints;
455 return;
456 }
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300457 if ($system_release =~ /Fedora/) {
458 give_redhat_hints;
459 return;
460 }
461 if ($system_release =~ /Ubuntu/) {
462 give_debian_hints;
463 return;
464 }
465 if ($system_release =~ /Debian/) {
466 give_debian_hints;
467 return;
468 }
469 if ($system_release =~ /openSUSE/) {
470 give_opensuse_hints;
471 return;
472 }
Mauro Carvalho Chehab800d4082017-07-21 13:20:41 -0300473 if ($system_release =~ /Mageia/) {
474 give_mageia_hints;
475 return;
476 }
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300477 if ($system_release =~ /Arch Linux/) {
478 give_arch_linux_hints;
479 return;
480 }
481 if ($system_release =~ /Gentoo/) {
482 give_gentoo_hints;
483 return;
484 }
485
486 #
487 # Fall-back to generic hint code for other distros
488 # That's far from ideal, specially for LaTeX dependencies.
489 #
490 my %map = (
491 "sphinx-build" => "sphinx"
492 );
493 check_missing_tex(1) if ($pdf);
494 check_missing(\%map);
495 print "I don't know distro $system_release.\n";
496 print "So, I can't provide you a hint with the install procedure.\n";
497 print "There are likely missing dependencies.\n";
498}
499
500#
501# Common dependencies
502#
503
504sub check_needs()
505{
506 if ($system_release) {
Mauro Carvalho Chehab9b756a92017-07-24 09:09:24 -0300507 print "Detected OS: $system_release.\n";
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300508 } else {
Mauro Carvalho Chehab9b756a92017-07-24 09:09:24 -0300509 print "Unknown OS\n";
510 }
511
512 # RHEL 7.x and clones have Sphinx version 1.1.x and incomplete texlive
513 if (($system_release =~ /Red Hat Enterprise Linux/) ||
514 ($system_release =~ /CentOS/) ||
515 ($system_release =~ /Scientific Linux/) ||
516 ($system_release =~ /Oracle Linux Server/)) {
517 $virtualenv = 1;
518 $pdf = 0;
519
520 printf("NOTE: On this distro, Sphinx and TexLive shipped versions are incompatible\n");
521 printf("with doc build. So, use Sphinx via a Python virtual environment.\n\n");
522 printf("This script can't install a TexLive version that would provide PDF.\n");
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300523 }
524
525 # Check for needed programs/tools
526 check_sphinx();
527 check_perl_module("Pod::Usage", 0);
528 check_program("make", 0);
529 check_program("gcc", 0);
530 check_python_module("sphinx_rtd_theme", 1) if (!$virtualenv);
531 check_program("xelatex", 1) if ($pdf);
532 check_program("dot", 1);
533 check_program("convert", 1);
Mauro Carvalho Chehab8e7d5d12017-07-17 18:46:40 -0300534 check_program("rsvg-convert", 1) if ($pdf);
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300535
536 check_distros();
537
538 if ($need_symlink) {
539 printf "\tsudo ln -sf %s /usr/bin/sphinx-build\n\n",
540 which("sphinx-build-3");
541 }
542 if ($need_sphinx) {
Mauro Carvalho Chehab5be33182017-07-17 18:46:37 -0300543 my $activate = "$virtenv_dir/bin/activate";
544 if (-e "$ENV{'PWD'}/$activate") {
545 printf "\nNeed to activate virtualenv with:\n";
546 printf "\t. $activate\n";
547 } else {
548 my $virtualenv = findprog("virtualenv-3");
Mauro Carvalho Chehab800d4082017-07-21 13:20:41 -0300549 $virtualenv = findprog("virtualenv-3.5") if (!$virtualenv);
Mauro Carvalho Chehab5be33182017-07-17 18:46:37 -0300550 $virtualenv = findprog("virtualenv") if (!$virtualenv);
551 $virtualenv = "virtualenv" if (!$virtualenv);
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300552
Mauro Carvalho Chehab5be33182017-07-17 18:46:37 -0300553 printf "\t$virtualenv $virtenv_dir\n";
554 printf "\t. $activate\n";
Mauro Carvalho Chehabfb947f32017-07-17 18:46:38 -0300555 printf "\tpip install -r $requirement_file\n";
Mauro Carvalho Chehab5be33182017-07-17 18:46:37 -0300556 $need++;
557 }
Mauro Carvalho Chehab24071ac2017-07-17 18:46:36 -0300558 }
559 printf "\n";
560
561 print "All optional dependenties are met.\n" if (!$optional);
562
563 if ($need == 1) {
564 die "Can't build as $need mandatory dependency is missing";
565 } elsif ($need) {
566 die "Can't build as $need mandatory dependencies are missing";
567 }
568
569 print "Needed package dependencies are met.\n";
570}
571
572#
573# Main
574#
575
576while (@ARGV) {
577 my $arg = shift(@ARGV);
578
579 if ($arg eq "--no-virtualenv") {
580 $virtualenv = 0;
581 } elsif ($arg eq "--no-pdf"){
582 $pdf = 0;
583 } else {
584 print "Usage:\n\t$0 <--no-virtualenv> <--no-pdf>\n\n";
585 exit -1;
586 }
587}
588
589#
590# Determine the system type. There's no standard unique way that would
591# work with all distros with a minimal package install. So, several
592# methods are used here.
593#
594# By default, it will use lsb_release function. If not available, it will
595# fail back to reading the known different places where the distro name
596# is stored
597#
598
599$system_release = qx(lsb_release -d) if which("lsb_release");
600$system_release =~ s/Description:\s*// if ($system_release);
601$system_release = catcheck("/etc/system-release") if !$system_release;
602$system_release = catcheck("/etc/redhat-release") if !$system_release;
603$system_release = catcheck("/etc/lsb-release") if !$system_release;
604$system_release = catcheck("/etc/gentoo-release") if !$system_release;
605$system_release = catcheck("/etc/issue") if !$system_release;
606$system_release =~ s/\s+$//;
607
608check_needs;