configuration.rb in global_session-3.2.3

- old
+ new

@@ -18,10 +18,11 @@
 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 require 'yaml'
+require 'erb'
 
 module GlobalSession
   # Central point of access for GlobalSession configuration information. This is
   # mostly a very thin wrapper around the serialized hash written to the YAML config
   # file.
@@ -95,10 +96,11 @@
     # TypeError:: if config file does not contain a YAML-serialized Hash
     def initialize(config, environment)
       if config.is_a?(Hash)
         @config = config
       elsif File.file?(config)
-        data = YAML.load(File.read(config))
+        yaml = ERB.new(File.read(config)).result
+        data = YAML.load(yaml)
         unless data.is_a?(Hash)
           raise TypeError, "Configuration file #{File.basename(config)} must contain a hash as its top-level element"
         end
         @config = data
       else