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# File 'lib/capistrano/configuration/resources/platform_resources.rb', line 8
def self.extended(configuration)
configuration.load {
namespace(:platform) {
_cset(:platform_family) { platform.family(fetch(:platform_family_options, {})) }
def family(options={})
capture((" if test -f /etc/debian_version; then\n echo debian;\n elif test -f /etc/redhat-release; then\n echo redhat;\n elif test -f /etc/system-release; then\n echo redhat;\n else\n echo unknown;\n fi;\n EOS\n end\n\n _cset(:platform_lsb_packages) {\n case platform_family\n when :debian\n %w(lsb-release lsb-core)\n when :redhat\n %w(redhat-lsb)\n else\n []\n end\n }\n\n def lsb_setup(options={})\n if fetch(:platform_setup, false)\n false\n else\n lsb_setup!(options)\n set(:platform_setup, true)\n true\n end\n end\n\n def lsb_setup!(options={})\n platform.packages.install(platform_lsb_packages, options)\n end\n\n _cset(:platform_identifier) { platform.identifier(fetch(:platform_identifier_options, {})) }\n def identifier(options={})\n options = options.dup\n options.delete(:family) # for backward compatibility\n lsb_identifier(options)\n end\n\n def lsb_identifier(options={})\n lsb_setup(options)\n identifier = capture(\"lsb_release --id --short || true\", options).strip.downcase\n not(codename.empty?) ? identifier.to_sym : :unknown\n end\n\n _cset(:platform_release) { platform.release(fetch(:platform_release_options, {})) }\n def release(options={})\n options = options.dup\n options.delete(:family) # for backward compatibility\n lsb_release(options)\n end\n\n def lsb_release(options={})\n lsb_setup(options)\n release = capture(\"lsb_release --release --short || true\", options).strip.downcase\n not(release.empty?) ? release.to_sym : :unknown\n end\n\n _cset(:platform_codename) { platform.codename(fetch(:platform_codename_options, {})) }\n def codename(options={})\n options = options.dup\n options.delete(:family) # for backward compatibility\n lsb_codename(options)\n end\n\n def lsb_codename(options={})\n lsb_setup(options)\n codename = capture(\"lsb_release --codename --short || true\", options).strip.downcase\n not(codename.empty?) ? codename.to_sym : :unknown\n end\n\n _cset(:platform_architecture) { platform.architecture(fetch(:platform_architecture_options, {})) }\n def architecture(options={})\n arch = capture(\"uname -m\", options).strip.to_sym\n case arch\n when /^(i[3-6]86|pentium)$/ then :i386\n when /^(amd64|x86_64)$/ then :x86_64\n else\n arch.to_sym\n end\n end\n\n namespace(:packages) {\n def installed?(packages=[], options={})\n options = options.dup\n packages = [ packages ].flatten\n family = ( options.delete(:family) || fetch(:platform_family) )\n if packages.empty?\n true\n else\n not /not-installed/ =~ case family\n when :debian\n capture(\"dpkg-query -s \#{packages.map { |x| x.dump }.join(\" \")} 1>/dev/null 2>&1 || echo not-installed\")\n when :redhat\n capture(\"rpm -qi \#{packages.map { |x| x.dump }.join(\" \")} 1>/dev/null 2>&1 || echo not-installed\")\n end\n end\n end\n\n def install(packages=[], options={})\n if installed?(packages, options)\n false\n else\n install!(packages, options)\n end\n end\n\n def install!(packages=[], options={})\n update(options)\n options = options.dup\n packages = [ packages ].flatten\n family = ( options.delete(:family) || fetch(:platform_family) )\n unless packages.empty?\n case family\n when :debian\n sudo(\"apt-get install -q -y \#{packages.map { |x| x.dump }.join(\" \")}\", options)\n when :redhat\n sudo(\"yum install -q -y \#{packages.map { |x| x.dump }.join(\" \")}\", options)\n end\n end\n end\n\n def uninstall(packages=[], options={})\n if installed?(packages, options)\n uninstall!(packages, options)\n else\n false\n end\n end\n\n def uninstall!(packages=[], options={})\n options = options.dup\n packages = [ packages ].flatten\n family = ( options.delete(:family) || fetch(:platform_family) )\n unless packages.empty?\n case family\n when :debian\n sudo(\"apt-get purge -q -y \#{packages.map { |x| x.dump }.join(\" \")}\", options)\n when :redhat\n sudo(\"yum remove -q -y \#{packages.map { |x| x.dump }.join(\" \")}\", options)\n end\n end\n end\n\n def update(options={})\n if fetch(:platform_packages_updated, false)\n false\n else\n update!(options)\n set(:platform_packages_updated, true)\n true\n end\n end\n alias try_update update # for backward compatibility before 0.1.2\n\n def update!(options={})\n options = options.dup\n family = ( options.delete(:family) || fetch(:platform_family) )\n case family\n when :debian\n sudo(\"apt-get update -q -y\", options)\n when :redhat\n sudo(\"yum check-update -q -y || true\", options)\n end\n end\n\n def upgrade(options={})\n if fetch(:platform_packages_upgraded, false)\n false\n else\n upgrade!(options)\n set(:platform_packages_upgraded, true)\n true\n end\n end\n\n def upgrade!(options={})\n update(options)\n options = options.dup\n family = ( options.delete(:family) || fetch(:platform_family) )\n case family\n when :debian\n sudo(\"apt-get upgrade -q -y\", options)\n when :redhat\n sudo(\"yum upgrade -q -y\", options)\n end\n end\n }\n }\n }\nend\n").gsub(/\s+/, " "), options).strip.to_sym
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