25baaa61ac
`Formula#keg_only?` could fail if it was invoked on a formula with a `:provided_until_xcode43` or `:provided_until_xcode5` reason given to `keg_only`, if neither the Command Line Tools nor Xcode was installed. Check whether Xcode is installed before querying the Xcode version. Closes #317.
84 lines
2.2 KiB
Ruby
84 lines
2.2 KiB
Ruby
# Used to track formulae that cannot be installed at the same time
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FormulaConflict = Struct.new(:name, :reason)
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# Used to annotate formulae that duplicate OS X provided software
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# or cause conflicts when linked in.
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class KegOnlyReason
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def initialize(reason, explanation)
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@reason = reason
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@explanation = explanation
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end
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def valid?
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case @reason
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when :provided_pre_mountain_lion
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MacOS.version < :mountain_lion
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when :provided_pre_mavericks
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MacOS.version < :mavericks
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when :provided_pre_el_capitan
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MacOS.version < :el_capitan
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when :provided_until_xcode43
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MacOS::Xcode.installed? && MacOS::Xcode.version < "4.3"
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when :provided_until_xcode5
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MacOS::Xcode.installed? && MacOS::Xcode.version < "5.0"
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else
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true
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end
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end
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def to_s
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return @explanation unless @explanation.empty?
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case @reason
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when :provided_by_osx then <<-EOS
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OS X already provides this software and installing another version in
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parallel can cause all kinds of trouble.
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EOS
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when :shadowed_by_osx then <<-EOS
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OS X provides similar software and installing this software in
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parallel can cause all kinds of trouble.
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EOS
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when :provided_pre_mountain_lion then <<-EOS
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OS X already provides this software in versions before Mountain Lion.
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EOS
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when :provided_pre_mavericks then <<-EOS
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OS X already provides this software in versions before Mavericks.
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EOS
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when :provided_pre_el_capitan then <<-EOS
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OS X already provides this software in versions before El Capitan.
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EOS
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when :provided_until_xcode43
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"Xcode provides this software prior to version 4.3."
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when :provided_until_xcode5
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"Xcode provides this software prior to version 5."
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else
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@reason
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end.strip
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end
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end
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# Used to annotate formulae that don't require compiling or cannot build bottle.
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class BottleDisableReason
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SUPPORTED_TYPES = [:unneeded, :disable]
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def initialize(type, reason)
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@type = type
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@reason = reason
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end
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def unneeded?
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@type == :unneeded
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end
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def valid?
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SUPPORTED_TYPES.include? @type
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end
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def to_s
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if @type == :unneeded
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"This formula doesn't require compiling."
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else
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@reason
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end
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end
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end
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