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# Used to track formulae that cannot be installed at the same time
FormulaConflict = Struct.new(:name, :reason)
# Used to annotate formulae that duplicate OS X provided software
# or cause conflicts when linked in.
class KegOnlyReason
def initialize(reason, explanation)
@reason = reason
@explanation = explanation
end
def valid?
case @reason
when :provided_pre_mountain_lion
MacOS.version < :mountain_lion
when :provided_pre_mavericks
MacOS.version < :mavericks
when :provided_pre_el_capitan
MacOS.version < :el_capitan
when :provided_until_xcode43
MacOS::Xcode.version < "4.3"
when :provided_until_xcode5
MacOS::Xcode.version < "5.0"
else
true
end
end
def to_s
return @explanation unless @explanation.empty?
case @reason
when :provided_by_osx then <<-EOS
OS X already provides this software and installing another version in
parallel can cause all kinds of trouble.
EOS
when :shadowed_by_osx then <<-EOS
OS X provides similar software and installing this software in
parallel can cause all kinds of trouble.
EOS
when :provided_pre_mountain_lion then <<-EOS
OS X already provides this software in versions before Mountain Lion.
EOS
when :provided_pre_mavericks then <<-EOS
OS X already provides this software in versions before Mavericks.
EOS
when :provided_pre_el_capitan then <<-EOS
OS X already provides this software in versions before El Capitan.
EOS
when :provided_until_xcode43
"Xcode provides this software prior to version 4.3."
when :provided_until_xcode5
"Xcode provides this software prior to version 5."
else
@reason
end.strip
end
end
# Used to annotate formulae that don't require compiling or cannot build bottle.
class BottleDisableReason
SUPPORTED_TYPES = [:unneeded, :disable]
def initialize(type, reason)
@type = type
@reason = reason
end
def unneeded?
@type == :unneeded
end
def valid?
SUPPORTED_TYPES.include? @type
end
def to_s
if @type == :unneeded
"This formula doesn't require compiling."
else
@reason
end
end
end
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