#!/usr/bin/awk -f
#
# Generate 'Provides' for embedded rubygems
#
# Call-seq:
#   generate_rubygemprovides.awk <ruby-version> <arch> <gemname> <gemmajor> <gemminor> <gemmicro> [ <gemtiny> ]
#
#   Provides: rubygem(<rubyversion>:<gemname>) = <gemversion>
#   Provides: rubygem(<rubyversion>:<gemname>:<gemmajorversion>) = <gemversion>
#   Provides: rubygem(<rubyversion>:<gemname>:<gemmajorversion>.<gemminorversion>) = <gemversion>
#   Provides: rubygem(<rubyversion>:<gemname>:<gemmajorversion>.<gemminorversion>.<gemtinyversion) = <gemversion>
#   Provides: rubygem(<rubyversion>:<gemname>:<gemversion>) = <gemversion>
#   Provides: rubygem(<gemname>) = <gemversion>
#   Provides: rubygem-<gemname> = <gemversion>
#   Provides: rubygem-<gemname> = <gemversion>-<rubyrelease>
#   Provides: rubygem-<gemname>(<arch>) = <gemversion>-<rubyrelease>
#   Provides: rubygem-<gemname>-<gemmajorversion> = <gemversion>
#   Provides: rubygem-<gemname>-<gemmajorversion>_<gemminorversion> = <gemversion>
#   Provides: rubygem-<gemname>-<gemmajorversion>_<gemminorversion>_<gemmicroversion> = <gemversion>
#   Provides: rubygem-<gemname>-<gemmajorversion>_<gemminorversion>_<gemmicroversion>_<gemtinyversion> = <gemversion>

BEGIN {
  rbver = ARGV[1]
  arch = ARGV[2]
  name = ARGV[3]
  major = ARGV[4]
  minor = ARGV[5]
  micro = ARGV[6]
  tiny = ARGV[7]

  if (tiny != "") {
    version = major "." minor "." micro "." tiny
  }
  else {
    version = major "." minor "." micro
  }
  print "Provides: rubygem(" rbver ":" name ") = " version
  print "Provides: rubygem(" rbver ":" name ":" major ") = " version
  print "Provides: rubygem(" rbver ":" name ":" major "." minor ") = " version
  print "Provides: rubygem(" rbver ":" name ":" major "." minor "." micro ") = " version
  if (tiny != "") {
    print "Provides: rubygem(" rbver ":" name ":" major "." minor "." micro "." tiny ") = " version
  }
  print "Provides: rubygem(" rbver ":" name ":" version ") = " version
  print "Provides: rubygem(" name ") = " version
  print "Provides: rubygem-" name " = " version
# not needed currently
#  if ( arch == "x86_64") {
#    print "Provides: rubygem-" name "(" arch ") = " version
#  }
  print "Provides: rubygem-" name "-" major " = " version
  print "Provides: rubygem-" name "-" major "_" minor " = " version
  print "Provides: rubygem-" name "-" major "_" minor "_" micro " = " version
  if (tiny != "") {
    print "Provides: rubygem-" name "-" major "_" minor "_" micro "_" tiny " = " version
  }
}