Add ":file" to the list of supported sources

Signed-off-by: Mikhail Zholobov <[email protected]>

lib/omnibus/software.rb

@@ -292,7 +292,7 @@ def source(val = NULL)
  val = canonicalize_source(val)
 
  extra_keys = val.keys - [
- :git, :path, :url, # fetcher types
+ :git, :file, :path, :url, # fetcher types
  :md5, :sha1, :sha256, :sha512, # hash type - common to all fetchers
  :cookie, :warning, :unsafe, :extract, # used by net_fetcher
  :options, # used by path_fetcher
@@ -303,7 +303,7 @@ def source(val = NULL)
  "only include valid keys. Invalid keys: #{extra_keys.inspect}")
  end
 
- duplicate_keys = val.keys & [:git, :path, :url]
+ duplicate_keys = val.keys & [:git, :file, :path, :url]
  unless duplicate_keys.size < 2
  raise InvalidValue.new(:source,
  "not include duplicate keys. Duplicate keys: #{duplicate_keys.inspect}")
@@ -1053,6 +1053,8 @@ def source_type
  :url
  elsif source[:git]
  :git
+ elsif source[:file]
+ :file
  elsif source[:path]
  :path
  end