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require 'fileutils'
module LeapCli; module Path
def self.platform
@platform
end
def self.provider_base
"#{platform}/provider_base"
end
def self.provider_templates
"#{platform}/provider_templates"
end
def self.provider
@provider
end
def self.set_provider_path(provider)
@provider = provider
end
def self.set_platform_path(platform)
@platform = platform
end
#
# Tries to find a file somewhere.
# Path can be a named path or a relative path.
#
# relative paths are checked against
# provider/<path>
# provider/files/<path>
# provider_base/<path>
# provider_base/files/<path>
#
#
def self.find_file(arg)
[Path.provider, Path.provider_base].each do |base|
if arg.is_a?(Symbol) || arg.is_a?(Array)
named_path(arg, base).tap {|path|
return path if File.exists?(path)
}
else
File.join(base, arg).tap {|path|
return path if File.exists?(path)
}
File.join(base, 'files', arg).tap {|path|
return path if File.exists?(path)
}
end
end
return nil
end
#
# Three ways of calling:
#
# - named_path [:user_ssh, 'bob'] ==> 'users/bob/bob_ssh.pub'
# - named_path :known_hosts ==> 'files/ssh/known_hosts'
# - named_path '/tmp/x' ==> '/tmp/x'
#
def self.named_path(name, provider_dir=Path.provider)
if name.is_a? Array
if name.length > 2
arg = name[1..-1]
name = name[0]
else
name, arg = name
end
else
arg = nil
end
if name.is_a? Symbol
Util::assert!(Leap::Platform.paths[name], "Error, I don't know the path for :#{name} (with argument '#{arg}')")
filename = eval('"' + Leap::Platform.paths[name] + '"')
return provider_dir + '/' + filename
else
return name
end
end
def self.exists?(name, provider_dir=nil)
File.exists?(named_path(name, provider_dir))
end
def self.defined?(name)
Leap::Platform.paths[name]
end
def self.relative_path(path, provider_dir=Path.provider)
if provider_dir
path = named_path(path, provider_dir)
path.sub(/^#{Regexp.escape(provider_dir)}\//,'')
else
path
end
end
end; end
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