Added build server detection for Atlassian Bamboo. (#69)

Author: ygra

readme.source.md

@@ -68,6 +68,7 @@ Supports:
  * [TeamCity](https://www.jetbrains.com/help/teamcity/predefined-build-parameters.html#PredefinedBuildParameters-ServerBuildProperties)
  * [MyGet](https://docs.myget.org/docs/reference/build-services#Available_Environment_Variables)
  * [GitLab](https://docs.gitlab.com/ee/ci/variables/predefined_variables.html)
+ * [Bamboo](https://confluence.atlassian.com/bamboo/bamboo-variables-289277087.html)
 
 
 ## Disable for a machine/process

src/DiffEngine/BuildServerDetector.cs

@@ -66,6 +66,15 @@ static BuildServerDetector()
  Detected = true;
  return;
  }
+
+ // Bamboo
+ // https://confluence.atlassian.com/bamboo/bamboo-variables-289277087.html
+ // Variable name is 'bamboo.buildKey' but must be referenced with an underscore
+ if (Environment.GetEnvironmentVariable("bamboo_buildKey") != null)
+ {
+ Detected = true;
+ return;
+ }
  }
 
  public static bool Detected { get; set; }