toolbox/check-perl-modules.pl

   1 #!/usr/bin/env perl
   2
   3 # check-perl-modules.pl -- check for modules used by Girocco
   4 # Copyright (c) 2013 Kyle J. McKay.  All rights reserved.
   5 # License GPLv2+: GNU GPL version 2 or later.
   6 # www.gnu.org/licenses/gpl-2.0.html
   7 # This is free software: you are free to change and redistribute it.
   8 # There is NO WARRANTY, to the extent permitted by law.
   9
  10 # Attempt to require all the modules used by Perl anywhere in Girocco and
  11 # report the failures.  There is special handling for the SHA-1 functions
  12 # and some other optional modules.
  13
  14 # These ones are not errors
  15
  16 eval {require Proc::ProcessTable; 1} or
  17 print "Note: missing Perl module Proc::ProcessTable, deprecated ".
  18         "toolbox/kill-stale-daemons.pl will not function\n";
  19
  20 eval {require HTML::Entities; 1} or
  21 print "Warning: missing Perl module HTML::Entities, gitweb ".
  22         "email obfuscation will be partially disabled\n";
  23
  24 eval {require HTML::TagCloud; 1} or
  25 print "Warning: missing Perl module HTML::TagCloud, optional gitweb tag cloud ".
  26         "display will be all one size\n";
  27
  28 eval {require HTTP::Date; 1} ||
  29 eval {require Time::ParseDate; 1} or
  30 print "Warning: missing Perl module HTTP::Date and Time::ParseDate, gitweb ".
  31         "will always return true to if-modified-since feed requests\n";
  32
  33 eval {require Compress::Zlib; 1} or
  34 print "Warning: missing Perl module Compress::Zlib, 'git svn gc' will not ".
  35         "fully gc\n";
  36
  37 # These ones are required
  38
  39 my $errors = 0;
  40
  41 # For SHA1, any of Digest::SHA, Digest::SHA1 or Digest::SHA::PurePerl will do
  42
  43 eval {require Digest::SHA; 1} ||
  44 eval {require Digest::SHA1; 1} ||
  45 eval {require Digest::SHA::PurePerl; 1} or
  46 ++$errors,
  47 print STDERR "One of the Perl modules Digest::SHA or Digest::SHA1 or "
  48 . "Digest::SHA::PurePerl must be available\n";
  49
  50 my @modules = qw(
  51         CGI
  52         CGI::Carp
  53         CGI::Util
  54         Digest::MD5
  55         Encode
  56         Errno
  57         Fcntl
  58         File::Basename
  59         File::Find
  60         File::Spec
  61         File::stat
  62         Getopt::Long
  63         IO::Handle
  64         IO::Socket
  65         IO::Socket::UNIX
  66         IPC::Open2
  67         JSON
  68         LWP::UserAgent
  69         MIME::Base64
  70         Pod::Usage
  71         POSIX
  72         RPC::XML
  73         RPC::XML::Client
  74         Socket
  75         Storable
  76         Time::HiRes
  77         Time::Local
  78 );
  79
  80 my %imports = (
  81         Time::HiRes => [qw(gettimeofday tv_interval)],
  82 );
  83
  84 foreach my $module (@modules) {
  85         my $imports = '';
  86         $imports = " qw(".join(' ', @{$imports{$module}}).")"
  87                 if $imports{$module};
  88         eval "use $module$imports; 1" or
  89         ++$errors, print STDERR "Missing required Perl module $module$imports\n";
  90 }
  91
  92 eval {require JSON; 1} &&
  93 eval {require LWP::UserAgent; 1} &&
  94 eval {require RPC::XML; 1} &&
  95 eval {require RPC::XML::Client; 1} or
  96 print STDERR "Note: Perl modules JSON, LWP::UserAgent, RPC::XML and RPC::".
  97         "XML::Client are required by the ref-change notification mechanism\n";
  98
  99 my $fcgi_ok = 1;
 100 eval {require FCGI; 1} or $fcgi_ok = 0,
 101 print STDERR "Note: running gitweb.cgi in FastCGI mode requires ".
 102         "the missing Perl module FCGI\n";
 103 eval {require CGI::Fast; 1} or $fcgi_ok = 0,
 104 print STDERR "Note: running gitweb.cgi in FastCGI mode requires ".
 105         "the missing Perl module CGI::Fast\n";
 106 !$fcgi_ok || eval {require FCGI::ProcManager; 1} or
 107 print STDERR "Note: gitweb.cgi running in FastCGI mode requires ".
 108         "missing FCGI::ProcManager to support the --nproc option\n";
 109
 110 exit($errors ? 1 : 0);