30 lines
731 B
Ruby
30 lines
731 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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@git = quiet_system HOMEBREW_ENV_PATH/"scm/git", "--version"
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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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# we cannot install brewed git if homebrew/core is unavailable.
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unless CoreTap.instance.installed?
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raise "Git is unavailable"
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end
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begin
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oh1 "Installing git"
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safe_system HOMEBREW_BREW_FILE, "install", "git"
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rescue
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raise "Git is unavailable"
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end
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clear_git_available_cache
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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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