33c3faa125
The match obtained by applying the regular expression used to index into the `stderr` member of the result of calling `system_command` in the relevant variable assignment could yield unexpected results. The regular expression in- volved was not strict enough and contained an unescaped period, which could match any character, not just the expected literal decimal point. This commit corrects this oversight by escaping the relevant character, thus addressing @apjanke's remark in https://github.com/Homebrew/brew/pull/5280#issuecomment-437165119 on the existence of a: > …possible bug - that `.` looks like it should be escaped as `\.` to match a > literal ".".) …
146 lines
3.2 KiB
Ruby
146 lines
3.2 KiB
Ruby
require "language/java"
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class JavaRequirement < Requirement
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attr_reader :java_home
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fatal true
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download "https://www.oracle.com/technetwork/java/javase/downloads/index.html"
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# A strict Java 8 requirement (1.8) should prompt the user to install
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# the legacy java8 cask because versions newer than Java 8 are not
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# completely backwards compatible, and contain breaking changes such as
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# strong encapsulation of JDK-internal APIs and a modified version scheme
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# (*.0 not 1.*).
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def cask
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if @version.nil? || @version.to_s.end_with?("+") ||
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@version.to_f >= JAVA_CASK_MAP.keys.max.to_f
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JAVA_CASK_MAP.fetch(JAVA_CASK_MAP.keys.max)
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else
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JAVA_CASK_MAP.fetch("1.8")
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end
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end
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satisfy build_env: false do
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setup_java
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next false unless @java
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next true
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end
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def initialize(tags = [])
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@version = tags.shift if /^\d/ =~ tags.first
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super(tags)
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end
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def message
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version_string = " #{@version}" if @version
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s = "Java#{version_string} is required to install this formula.\n"
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s += super
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s
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end
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def inspect
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"#<#{self.class.name}: #{tags.inspect} version=#{@version.inspect}>"
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end
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def display_s
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if @version
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if exact_version?
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op = "="
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else
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op = ">="
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end
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"#{name} #{op} #{version_without_plus}"
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else
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name
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end
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end
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private
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JAVA_CASK_MAP = {
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"1.8" => "homebrew/cask-versions/java8",
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"11.0" => "java",
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}.freeze
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def version_without_plus
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if exact_version?
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@version
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else
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@version[0, @version.length - 1]
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end
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end
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def exact_version?
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@version && @version.to_s.chars.last != "+"
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end
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def setup_java
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java = preferred_java
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return unless java
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@java = java
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@java_home = java.parent.parent
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end
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def possible_javas
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javas = []
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javas << Pathname.new(ENV["JAVA_HOME"])/"bin/java" if ENV["JAVA_HOME"]
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jdk = begin
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Formula["openjdk"]
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rescue FormulaUnavailableError
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nil
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end
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javas << jdk.bin/"java" if jdk&.installed?
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javas << which("java")
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javas
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end
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def preferred_java
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possible_javas.find do |java|
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next false unless java&.executable?
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next true unless @version
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next true if satisfies_version(java)
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end
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end
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def env_java_common
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return unless @java_home
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java_home = Pathname.new(@java_home)
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ENV["JAVA_HOME"] = java_home
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ENV.prepend_path "PATH", java_home/"bin"
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end
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def env_oracle_jdk
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return unless @java_home
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java_home = Pathname.new(@java_home)
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return unless (java_home/"include").exist?
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ENV.append_to_cflags "-I#{java_home}/include"
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ENV.append_to_cflags "-I#{java_home}/include/#{oracle_java_os}"
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true
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end
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def oracle_java_os
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nil
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end
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def satisfies_version(java)
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java_version_s = system_command(java, args: ["-version"], print_stderr: false).stderr[/\d+\.\d/]
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return false unless java_version_s
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java_version = Version.create(java_version_s)
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needed_version = Version.create(version_without_plus)
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if exact_version?
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java_version == needed_version
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else
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java_version >= needed_version
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end
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end
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end
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require "extend/os/requirements/java_requirement"
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