/usr/bin/dpkg-checkdeps is in ruby-debian 0.3.8build1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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  | #!/usr/bin/env ruby
# 
# dpkg-checkdeps - utilities to check deb dependency
# Copyright (c) 2001 Fumitoshi UKAI <ukai@debian.or.jp>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# $Id: dpkg-checkdeps.rb,v 1.6 2001/05/15 18:16:26 ukai Exp $
#
require 'debian'
require 'getoptlong'
include Debian
opts = GetoptLong.new(["--to", "-t", GetoptLong::REQUIRED_ARGUMENT],
		      ["--check", "-c", GetoptLong::NO_ARGUMENT],
		      ["--from", "-f", GetoptLong::REQUIRED_ARGUMENT],
		      ["--arch", "-a", GetoptLong::REQUIRED_ARGUMENT],
		      ["--all", "-A", GetoptLong::NO_ARGUMENT],
		      ["--verbose", "-v", GetoptLong::NO_ARGUMENT],
		      ["--quiet", "-q", GetoptLong::NO_ARGUMENT],
		      ["--help", "-h", GetoptLong::NO_ARGUMENT])
$quiet = false
$verbose = false
arch = Dpkg.installation_architecture
def usage
  puts "Usage: #{$0} [opts] [{packagename|package}...]"
  puts "  #{$0} [--to <Packages>] --from <Packages> <packagename> ..."
  puts "  #{$0} [--to <Packages>] --from <Packages> -A"
  puts "  #{$0} [--to <Packages>] <packagefile>..."
  puts "  #{$0} [--to <Packages>] --check <packagename>"
end
$stdout.sync = true
to_packages = nil
from_packages = nil
check_inset = false
begin
  opts.each {|opt, arg|
    case opt
    when "--to" then
      if to_packages == nil
	to_packages = Packages.new
      end
      arg.gsub!(/\$ARCH/,arch)
      Dir[arg].each {|p|
	print "* Loading target #{p}..." if $verbose
	to_packages += Packages.new(p)
	print "done\n" if $verbose
      }
    when "--from" then 
      if from_packages == nil
	from_packages = Packages.new
      end
      arg.gsub!(/\$ARCH/,arch)
      Dir[arg].each {|p|
	print "* Loading source #{p}..." if $verbose
	from_packages += Packages.new(p)
	print "done\n" if $verbose
      }
    when "--arch" then
      arch = arg
      print "* Architecture: #{arch}\n" if $verbose
    when "--all" then
      if from_packages == nil
	$stderr.puts "#{$0}: --all requires --from option"
	raise GetoptLong::InvalidOption
      end
      from_packages.pkgnames {|p|
	ARGV.push(p)
      }
    when "--check" then 
      check_inset = true
    when "--verbose" then $verbose = true
    when "--quiet" then $quiet = true
    when "--help" then usage; exit 0
    else raise GetoptLong::InvalidOption
    end
  }
rescue GetoptLong::InvalidOption
  usage; exit 1
end
if to_packages == nil
  print "* Loading target (dpkg status)..." if $verbose
  to_packages = Status.new
  print "done\n" if $verbose
end
if check_inset && from_packages == nil
  from_packages = to_packages
end
check_packages = to_packages
check_debs = []
while arg = ARGV.shift
  if from_packages == nil
    deb = DpkgDeb.load(arg)
  else
    deb = from_packages[arg]
  end
  if deb == nil
    $stderr.puts "E: Package: #{arg} not found"
    exit 1
  end
  if deb['architecture'] != arch && deb['architecture'] != 'all'
    next
  end
  check_debs.push(deb)
  check_packages[deb.package] = deb
end
unmets = 0
mets = 0
num = 0
if check_inset
  to_packages.each_package {|deb|
    print "* Checking #{deb}\n" if $verbose
    num += 1
    safe = true
    deb.deps('depends').each {|dep|
      check_debs.each {|cdeb|
	if dep.include?(cdeb) && ! dep.satisfy?(cdeb)
	  puts "E: #{deb} does not satisfy #{dep} against #{cdeb}"
	  unmets += 1
	  safe = false
	end
      }
    }
    if safe
      mets += 1
    end
  }
else
  check_debs.each {|deb|
    print "* Checking #{deb}\n" if $verbose
    num += 1
    safe = true
    deb.unmet(check_packages).each {|u|
      puts u
      unmets += 1
      safe = false
    }
    if safe
      mets += 1
    end
  }
end
puts "#{num} packages: #{unmets} unmet in #{num - mets} packages / #{mets} packages ok" unless $quiet
exit (unmets == 0 ? 0 : 1)
 |