87 lines
2.6 KiB
Ruby
87 lines
2.6 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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module Language
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# Helper functions for Java formulae.
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#
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# @api public
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module Java
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sig { params(version: T.nilable(String)).returns(T.nilable(Formula)) }
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def self.find_openjdk_formula(version = nil)
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can_be_newer = version&.end_with?("+")
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version = version.to_i
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openjdk = Formula["openjdk"]
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[openjdk, *openjdk.versioned_formulae].find do |f|
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next false unless f.any_version_installed?
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unless version.zero?
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major = f.any_installed_version.major
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next false if major < version
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next false if major > version && !can_be_newer
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end
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true
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end
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rescue FormulaUnavailableError
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nil
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end
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private_class_method :find_openjdk_formula
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# Returns the directory of the newest matching OpenJDK installation or
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# `nil` if none is available. When used in a {Formula}, there should be
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# a dependency and corresponding `version` for reproducible output.
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#
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# @api public
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# @param version OpenJDK version constraint which can be specific
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# (e.g. `"21"`) or a lower-bounded range (e.g. `"21+"`)
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sig { params(version: T.nilable(String)).returns(T.nilable(Pathname)) }
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def self.java_home(version = nil)
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find_openjdk_formula(version)&.opt_libexec
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end
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sig { params(version: T.nilable(String)).returns(String) }
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def self.java_home_shell(version = nil)
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java_home(version).to_s
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end
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private_class_method :java_home_shell
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# Returns a `JAVA_HOME` environment variable to use a specific OpenJDK.
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# Usually combined with either {Pathname#write_env_script} or
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# {Pathname#env_script_all_files}.
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#
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# ### Example
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#
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# Use `openjdk@21` for all commands:
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#
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# ```ruby
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# bin.env_script_all_files libexec/"bin", Language::Java.java_home_env("21")
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# ```
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#
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# @api public
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sig { params(version: T.nilable(String)).returns({ JAVA_HOME: String }) }
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def self.java_home_env(version = nil)
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{ JAVA_HOME: java_home_shell(version) }
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end
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# Returns a `JAVA_HOME` environment variable to use a default OpenJDK.
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# Unlike {.java_home_env} the OpenJDK can be overridden at runtime.
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#
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# ### Example
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#
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# Use latest `openjdk` as default:
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#
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# ```ruby
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# bin.env_script_all_files libexec/"bin", Language::Java.overridable_java_home_env
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# ```
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#
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# @api public
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sig { params(version: T.nilable(String)).returns({ JAVA_HOME: String }) }
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def self.overridable_java_home_env(version = nil)
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{ JAVA_HOME: "${JAVA_HOME:-#{java_home_shell(version)}}" }
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end
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end
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end
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require "extend/os/language/java"
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