110 lines
3.2 KiB
Ruby
110 lines
3.2 KiB
Ruby
module Guard
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class Dsl
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class << self
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# TODO: Add documentation to explain that it is possible to pass `:guardfile` (a Guardfile path)
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# or `:guardfile_contents` (the content of a Guardfile). Hence this allows to use Guard::Dsl.evaluate_guardfile
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# in a programmatic manner
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def evaluate_guardfile(options = {})
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options.is_a?(Hash) or raise ArgumentError.new("evaluate_guardfile not passed a Hash!")
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@@options = options.dup
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instance_eval_guardfile(fetch_guardfile_contents)
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end
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def instance_eval_guardfile(contents)
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begin
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new.instance_eval(contents, @@options[:guardfile_path], 1)
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rescue
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UI.error "Invalid Guardfile, original error is:\n#{$!}"
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exit 1
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end
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end
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def guardfile_include?(guard_name)
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guardfile_contents.match(/^guard\s*\(?\s*['":]#{guard_name}['"]?/)
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end
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def read_guardfile(guardfile_path)
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begin
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@@options[:guardfile_path] = guardfile_path
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@@options[:guardfile_contents] = File.read(guardfile_path)
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rescue
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UI.error("Error reading file #{guardfile_path}")
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exit 1
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end
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end
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def fetch_guardfile_contents
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# TODO: do we need .rc file interaction?
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if @@options.has_key?(:guardfile_contents)
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UI.info "Using inline Guardfile."
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@@options[:guardfile_path] = 'Inline Guardfile'
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elsif @@options.has_key?(:guardfile)
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if File.exist?(@@options[:guardfile])
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read_guardfile(@@options[:guardfile])
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UI.info "Using Guardfile at #{@@options[:guardfile]}."
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else
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UI.error "No Guardfile exists at #{@@options[:guardfile]}."
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exit 1
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end
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else
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if File.exist?(guardfile_default_path)
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read_guardfile(guardfile_default_path)
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else
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UI.error "No Guardfile found, please create one with `guard init`."
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exit 1
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end
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end
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unless guardfile_contents_usable?
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UI.error "The command file(#{@@options[:guardfile]}) seems to be empty."
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exit 1
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end
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guardfile_contents
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end
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def guardfile_contents
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@@options[:guardfile_contents]
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end
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def guardfile_contents_usable?
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guardfile_contents && guardfile_contents.size >= 'guard :a'.size # smallest guard-definition
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end
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def guardfile_default_path
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File.exist?(local_guardfile_path) ? local_guardfile_path : home_guardfile_path
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end
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private
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def local_guardfile_path
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File.join(Dir.pwd, "Guardfile")
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end
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def home_guardfile_path
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File.expand_path(File.join("~", "Guardfile"))
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end
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end
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def group(name, &guard_definition)
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guard_definition.call if guard_definition && (@@options[:group].empty? || @@options[:group].include?(name))
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end
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def guard(name, options = {}, &watch_definition)
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@watchers = []
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watch_definition.call if watch_definition
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::Guard.add_guard(name, @watchers, options)
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end
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def watch(pattern, &action)
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@watchers << ::Guard::Watcher.new(pattern, action)
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end
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end
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end
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