scripts/sphinx-pre-install: add a script to check Sphinx install
Solving Sphinx dependencies can be painful. Add a script to check if everything is ok. Tested on: - Fedora 25 and 26; - Ubuntu 17.04; - OpenSuse Tumbleweed; - Arch Linux; - Gentoo. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab
Jonathan Corbet
Родитель
18afab8c1d
Коммит
24071ac1a6
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#!/usr/bin/perl
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use strict;
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# Copyright (c) 2017 Mauro Carvalho Chehab <mchehab@kernel.org>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# Static vars
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#
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my %missing;
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my $system_release;
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my $need = 0;
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my $optional = 0;
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my $need_symlink = 0;
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my $need_sphinx = 0;
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my $install = "";
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#
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# Command line arguments
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#
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my $pdf = 1;
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my $virtualenv = 1;
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#
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# List of required texlive packages on Fedora and OpenSuse
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#
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my %texlive = (
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'adjustbox.sty' => 'texlive-adjustbox',
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'amsfonts.sty' => 'texlive-amsfonts',
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'amsmath.sty' => 'texlive-amsmath',
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'amssymb.sty' => 'texlive-amsfonts',
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'amsthm.sty' => 'texlive-amscls',
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'anyfontsize.sty' => 'texlive-anyfontsize',
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'atbegshi.sty' => 'texlive-oberdiek',
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'bm.sty' => 'texlive-tools',
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'capt-of.sty' => 'texlive-capt-of',
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'cmap.sty' => 'texlive-cmap',
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'ecrm1000.tfm' => 'texlive-ec',
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'eqparbox.sty' => 'texlive-eqparbox',
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'eu1enc.def' => 'texlive-euenc',
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'fancybox.sty' => 'texlive-fancybox',
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'fancyvrb.sty' => 'texlive-fancyvrb',
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'float.sty' => 'texlive-float',
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'fncychap.sty' => 'texlive-fncychap',
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'footnote.sty' => 'texlive-mdwtools',
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'framed.sty' => 'texlive-framed',
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'luatex85.sty' => 'texlive-luatex85',
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'multirow.sty' => 'texlive-multirow',
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'needspace.sty' => 'texlive-needspace',
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'palatino.sty' => 'texlive-psnfss',
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'parskip.sty' => 'texlive-parskip',
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'polyglossia.sty' => 'texlive-polyglossia',
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'tabulary.sty' => 'texlive-tabulary',
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'threeparttable.sty' => 'texlive-threeparttable',
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'titlesec.sty' => 'texlive-titlesec',
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'ucs.sty' => 'texlive-ucs',
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'upquote.sty' => 'texlive-upquote',
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'wrapfig.sty' => 'texlive-wrapfig',
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);
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#
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# Subroutines that checks if a feature exists
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#
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sub check_missing(%)
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{
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my %map = %{$_[0]};
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foreach my $prog (sort keys %missing) {
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my $is_optional = $missing{$prog};
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if ($is_optional) {
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print "Warning: better to also install \"$prog\".\n";
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} else {
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print "ERROR: please install \"$prog\", otherwise, build won't work.\n";
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}
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if (defined($map{$prog})) {
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$install .= " " . $map{$prog};
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} else {
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$install .= " " . $prog;
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}
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}
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$install =~ s/^\s//;
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}
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sub add_package($$)
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{
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my $package = shift;
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my $is_optional = shift;
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$missing{$package} = $is_optional;
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if ($is_optional) {
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$optional++;
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} else {
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$need++;
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}
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}
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sub check_missing_file($$$)
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{
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my $file = shift;
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my $package = shift;
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my $is_optional = shift;
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return if(-e $file);
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add_package($package, $is_optional);
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}
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sub findprog($)
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{
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foreach(split(/:/, $ENV{PATH})) {
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return "$_/$_[0]" if(-x "$_/$_[0]");
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}
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}
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sub check_program($$)
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{
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my $prog = shift;
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my $is_optional = shift;
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return if findprog($prog);
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add_package($prog, $is_optional);
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}
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sub check_perl_module($$)
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{
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my $prog = shift;
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my $is_optional = shift;
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my $err = system("perl -M$prog -e 1 2>/dev/null /dev/null");
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return if ($err == 0);
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add_package($prog, $is_optional);
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}
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sub check_python_module($$)
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{
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my $prog = shift;
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my $is_optional = shift;
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my $err = system("python3 -c 'import $prog' 2>/dev/null /dev/null");
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return if ($err == 0);
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my $err = system("python -c 'import $prog' 2>/dev/null /dev/null");
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return if ($err == 0);
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add_package($prog, $is_optional);
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}
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sub check_rpm_missing($$)
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{
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my @pkgs = @{$_[0]};
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my $is_optional = $_[1];
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foreach my $prog(@pkgs) {
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my $err = system("rpm -q '$prog' 2>/dev/null >/dev/null");
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add_package($prog, $is_optional) if ($err);
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}
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}
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sub check_pacman_missing($$)
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{
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my @pkgs = @{$_[0]};
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my $is_optional = $_[1];
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foreach my $prog(@pkgs) {
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my $err = system("pacman -Q '$prog' 2>/dev/null >/dev/null");
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add_package($prog, $is_optional) if ($err);
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}
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}
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sub check_missing_tex($)
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{
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my $is_optional = shift;
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my $kpsewhich = findprog("kpsewhich");
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foreach my $prog(keys %texlive) {
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my $package = $texlive{$prog};
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if (!$kpsewhich) {
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add_package($package, $is_optional);
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next;
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}
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my $file = qx($kpsewhich $prog);
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add_package($package, $is_optional) if ($file =~ /^\s*$/);
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}
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}
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sub check_sphinx()
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{
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return if findprog("sphinx-build");
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if (findprog("sphinx-build-3")) {
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$need_symlink = 1;
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return;
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}
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if ($virtualenv) {
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check_program("virtualenv", 0) if (!findprog("virtualenv-3"));
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check_program("pip", 0) if (!findprog("pip3"));
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$need_sphinx = 1;
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} else {
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add_package("python-sphinx", 0);
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}
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}
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#
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# Ancillary subroutines
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#
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sub catcheck($)
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{
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my $res = "";
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$res = qx(cat $_[0]) if (-r $_[0]);
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return $res;
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}
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sub which($)
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{
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my $file = shift;
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my @path = split ":", $ENV{PATH};
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foreach my $dir(@path) {
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my $name = $dir.'/'.$file;
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return $name if (-x $name );
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}
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return undef;
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}
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#
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# Subroutines that check distro-specific hints
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#
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sub give_debian_hints()
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{
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my %map = (
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"python-sphinx" => "python3-sphinx",
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"sphinx_rtd_theme" => "python3-sphinx-rtd-theme",
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"virtualenv" => "virtualenv",
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"pip" => "python3-pip",
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"dot" => "graphviz",
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"convert" => "imagemagick",
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"Pod::Usage" => "perl-modules",
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"xelatex" => "texlive-xetex",
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);
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if ($pdf) {
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check_missing_file("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
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"fonts-dejavu", 1);
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}
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check_program("dvipng", 1) if ($pdf);
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check_missing(\%map);
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return if (!$need && !$optional);
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printf("You should run:\n\n\tsudo apt-get install $install\n");
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}
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sub give_redhat_hints()
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{
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my %map = (
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"python-sphinx" => "python3-sphinx",
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"sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
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"virtualenv" => "python3-virtualenv",
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"pip" => "python3-pip",
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"dot" => "graphviz",
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"convert" => "ImageMagick",
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"Pod::Usage" => "perl-Pod-Usage",
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"xelatex" => "texlive-xetex-bin",
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);
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my @fedora_tex_pkgs = (
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"texlive-collection-fontsrecommended",
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"texlive-collection-latex",
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"dejavu-sans-fonts",
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"dejavu-serif-fonts",
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"dejavu-sans-mono-fonts",
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);
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check_rpm_missing(\@fedora_tex_pkgs, 1) if ($pdf);
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check_missing_tex(1) if ($pdf);
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check_missing(\%map);
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return if (!$need && !$optional);
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printf("You should run:\n\n\tsudo dnf install -y $install\n");
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}
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sub give_opensuse_hints()
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{
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my %map = (
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"python-sphinx" => "python3-sphinx",
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"sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
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"virtualenv" => "python3-virtualenv",
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"pip" => "python3-pip",
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"dot" => "graphviz",
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"convert" => "ImageMagick",
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"Pod::Usage" => "perl-Pod-Usage",
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"xelatex" => "texlive-xetex-bin",
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);
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my @suse_tex_pkgs = (
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"texlive-babel-english",
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"texlive-caption",
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"texlive-colortbl",
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"texlive-courier",
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"texlive-dvips",
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"texlive-helvetic",
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"texlive-makeindex",
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"texlive-metafont",
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"texlive-metapost",
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"texlive-palatino",
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"texlive-preview",
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"texlive-times",
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"texlive-zapfchan",
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"texlive-zapfding",
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);
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check_rpm_missing(\@suse_tex_pkgs, 1) if ($pdf);
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check_missing_tex(1) if ($pdf);
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check_missing(\%map);
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return if (!$need && !$optional);
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printf("You should run:\n\n\tsudo zypper install --no-recommends $install\n");
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}
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sub give_arch_linux_hints()
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{
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my %map = (
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"sphinx_rtd_theme" => "python-sphinx_rtd_theme",
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"virtualenv" => "python-virtualenv",
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"pip" => "python-pip",
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"dot" => "graphviz",
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"convert" => "imagemagick",
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"xelatex" => "texlive-bin",
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);
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my @archlinux_tex_pkgs = (
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"texlive-core",
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"texlive-latexextra",
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"ttf-dejavu",
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);
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check_pacman_missing(\@archlinux_tex_pkgs, 1) if ($pdf);
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check_missing(\%map);
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return if (!$need && !$optional);
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printf("You should run:\n\n\tsudo pacman -S $install\n");
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}
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sub give_gentoo_hints()
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{
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my %map = (
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"sphinx_rtd_theme" => "dev-python/sphinx_rtd_theme",
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"virtualenv" => "dev-python/virtualenv",
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"pip" => "dev-python/pip",
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"dot" => "media-gfx/graphviz",
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"convert" => "media-gfx/imagemagick",
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"xelatex" => "dev-texlive/texlive-xetex media-fonts/dejavu",
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);
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check_missing_file("/usr/share/fonts/dejavu/DejaVuSans.ttf",
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"media-fonts/dejavu", 1) if ($pdf);
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check_missing(\%map);
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return if (!$need && !$optional);
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printf("You should run:\n\n\tsudo emerge --ask $install\n");
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}
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sub check_distros()
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{
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# Distro-specific hints
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if ($system_release =~ /Red Hat Enterprise Linux/) {
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give_redhat_hints;
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return;
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}
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if ($system_release =~ /Fedora/) {
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give_redhat_hints;
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return;
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}
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if ($system_release =~ /Ubuntu/) {
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give_debian_hints;
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return;
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}
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if ($system_release =~ /Debian/) {
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give_debian_hints;
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return;
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}
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if ($system_release =~ /openSUSE/) {
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give_opensuse_hints;
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return;
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}
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if ($system_release =~ /Arch Linux/) {
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give_arch_linux_hints;
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return;
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}
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if ($system_release =~ /Gentoo/) {
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give_gentoo_hints;
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return;
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}
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#
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# Fall-back to generic hint code for other distros
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# That's far from ideal, specially for LaTeX dependencies.
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#
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my %map = (
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"sphinx-build" => "sphinx"
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);
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check_missing_tex(1) if ($pdf);
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check_missing(\%map);
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print "I don't know distro $system_release.\n";
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print "So, I can't provide you a hint with the install procedure.\n";
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print "There are likely missing dependencies.\n";
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}
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#
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# Common dependencies
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#
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sub check_needs()
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{
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if ($system_release) {
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print "Checking if the needed tools for $system_release are available\n";
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} else {
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print "Checking if the needed tools are present\n";
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}
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# Check for needed programs/tools
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check_sphinx();
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check_perl_module("Pod::Usage", 0);
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check_program("make", 0);
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check_program("gcc", 0);
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check_python_module("sphinx_rtd_theme", 1) if (!$virtualenv);
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check_program("xelatex", 1) if ($pdf);
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check_program("dot", 1);
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check_program("convert", 1);
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check_distros();
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if ($need_symlink) {
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printf "\tsudo ln -sf %s /usr/bin/sphinx-build\n\n",
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which("sphinx-build-3");
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}
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if ($need_sphinx) {
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my $virtualenv = findprog("virtualenv-3");
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$virtualenv = findprog("virtualenv") if (!$virtualenv);
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$virtualenv = "virtualenv" if (!$virtualenv);
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printf "\t$virtualenv sphinx_1.4\n";
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printf "\t. sphinx_1.4/bin/activate\n";
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printf "\tpip install 'docutils==0.12'\n";
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printf "\tpip install 'Sphinx==1.4.9'\n";
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printf "\tpip install sphinx_rtd_theme\n";
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$need++;
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}
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printf "\n";
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print "All optional dependenties are met.\n" if (!$optional);
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||||
|
||||
if ($need == 1) {
|
||||
die "Can't build as $need mandatory dependency is missing";
|
||||
} elsif ($need) {
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||||
die "Can't build as $need mandatory dependencies are missing";
|
||||
}
|
||||
|
||||
print "Needed package dependencies are met.\n";
|
||||
}
|
||||
|
||||
#
|
||||
# Main
|
||||
#
|
||||
|
||||
while (@ARGV) {
|
||||
my $arg = shift(@ARGV);
|
||||
|
||||
if ($arg eq "--no-virtualenv") {
|
||||
$virtualenv = 0;
|
||||
} elsif ($arg eq "--no-pdf"){
|
||||
$pdf = 0;
|
||||
} else {
|
||||
print "Usage:\n\t$0 <--no-virtualenv> <--no-pdf>\n\n";
|
||||
exit -1;
|
||||
}
|
||||
}
|
||||
|
||||
#
|
||||
# Determine the system type. There's no standard unique way that would
|
||||
# work with all distros with a minimal package install. So, several
|
||||
# methods are used here.
|
||||
#
|
||||
# By default, it will use lsb_release function. If not available, it will
|
||||
# fail back to reading the known different places where the distro name
|
||||
# is stored
|
||||
#
|
||||
|
||||
$system_release = qx(lsb_release -d) if which("lsb_release");
|
||||
$system_release =~ s/Description:\s*// if ($system_release);
|
||||
$system_release = catcheck("/etc/system-release") if !$system_release;
|
||||
$system_release = catcheck("/etc/redhat-release") if !$system_release;
|
||||
$system_release = catcheck("/etc/lsb-release") if !$system_release;
|
||||
$system_release = catcheck("/etc/gentoo-release") if !$system_release;
|
||||
$system_release = catcheck("/etc/issue") if !$system_release;
|
||||
$system_release =~ s/\s+$//;
|
||||
|
||||
check_needs;
|
||||
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