brew/Library/Homebrew/formula_pin.rb
Mike McQuaid 72d10fff0b Use constants for LinkedKegs/PinnedKegs/Locks.
These definitions are scattered throughout the codebase which makes it
hard to refactor them later (my goal is to move them outside of
HOMEBREW_LIBRARY). Unify their definitions for clearer code and easier
movement later.
2016-09-15 18:28:42 +01:00

39 lines
651 B
Ruby

require "keg"
class FormulaPin
def initialize(f)
@f = f
end
def path
HOMEBREW_PINNED_KEGS/@f.name
end
def pin_at(version)
HOMEBREW_PINNED_KEGS.mkpath
version_path = @f.rack.join(version)
path.make_relative_symlink(version_path) unless pinned? || !version_path.exist?
end
def pin
pin_at(@f.installed_kegs.map { |keg| keg.version }.max)
end
def unpin
path.unlink if pinned?
HOMEBREW_PINNED_KEGS.rmdir_if_possible
end
def pinned?
path.symlink?
end
def pinnable?
!@f.installed_prefixes.empty?
end
def pinned_version
Keg.new(path.resolved_path).version if pinned?
end
end