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Detect if rubygems are running under rpmbuild.

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This allows to install binaryi extensions on suitable place and clears
the .spec files a bit.
This commit is contained in:
Vít Ondruch 2014-01-10 14:53:57 +01:00
parent 02ee7904a4
commit 19ff4992f3
1 changed files with 19 additions and 2 deletions
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21
operating_system.rb
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@ -11,6 +11,15 @@ module Gem
end
private :previous_but_one_dir_to
##
# Tries to detect, if arguments and environment variables suggest that
# 'gem install' is executed from rpmbuild.
def rpmbuild?
(ARGV.include?('--install-dir') || ARGV.include?('-i')) && ENV['RPM_PACKAGE_NAME']
end
private :rpmbuild?
##
# Default gems locations allowed on FHS system (/usr, /usr/share).
# The locations are derived from directories specified during build
@ -78,8 +87,16 @@ module Gem
end
def default_ext_dir_for base_dir
dirs = Gem.default_dirs.detect {|location, paths| paths[:gem_dir] == base_dir}
dirs && File.join(dirs.last[:ext_dir], RbConfig::CONFIG['RUBY_INSTALL_NAME'])
dir = if rpmbuild?
build_dir = base_dir.chomp Gem.default_dirs[:system][:gem_dir]
if build_dir != base_dir
File.join build_dir, Gem.default_dirs[:system][:ext_dir]
end
else
dirs = Gem.default_dirs.detect {|location, paths| paths[:gem_dir] == base_dir}
dirs && dirs.last[:ext_dir]
end
dir && File.join(dir, RbConfig::CONFIG['RUBY_INSTALL_NAME'])
end
# This method should be available since RubyGems 2.2 until RubyGems 3.0.