32 lines
968 B
Ruby
32 lines
968 B
Ruby
module Utils
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def self.git_available?
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return @git if instance_variable_defined?(:@git)
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# check git in original path in case it's the wrapper script of Library/ENV/scm
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git = which("git", ORIGINAL_PATHS.join(File::PATH_SEPARATOR))
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# git isn't installed by older Xcodes
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return @git = false if git.nil?
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# /usr/bin/git is a popup stub when Xcode/CLT aren't installed, so bail out
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return @git = false if git == "/usr/bin/git" && !OS::Mac.has_apple_developer_tools?
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@git = true
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end
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def self.ensure_git_installed!
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return if git_available?
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require "cmd/install"
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begin
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oh1 "Installing git"
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Homebrew.perform_preinstall_checks
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Homebrew.install_formula(Formulary.factory("git"))
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rescue
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raise "Git is unavailable"
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end
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raise "Git is unavailable" unless git_available?
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end
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def self.clear_git_available_cache
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remove_instance_variable(:@git) if instance_variable_defined?(:@git)
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end
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end
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