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# frozen_string_literal: true
require_relative '../../../puppet/file_system'
Puppet::Parser::Functions.newfunction(
:file, :arity => -2, :type => :rvalue,
:doc => "Loads a file from a module and returns its contents as a string.
The argument to this function should be a `<MODULE NAME>/<FILE>`
reference, which will load `<FILE>` from a module's `files`
directory. (For example, the reference `mysql/mysqltuner.pl` will load the
file `<MODULES DIRECTORY>/mysql/files/mysqltuner.pl`.)
This function can also accept:
* An absolute path, which can load a file from anywhere on disk.
* Multiple arguments, which will return the contents of the **first** file
found, skipping any files that don't exist.
"
) do |vals|
path = nil
vals.each do |file|
found = Puppet::Parser::Files.find_file(file, compiler.environment)
if found && Puppet::FileSystem.exist?(found)
path = found
break
end
end
if path
Puppet::FileSystem.read_preserve_line_endings(path)
else
raise Puppet::ParseError, _("Could not find any files from %{values}") % { values: vals.join(", ") }
end
end
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