TravisCI build server integration

Author: eatdrinksleepcode

src/GitVersionCore/BuildServers/BuildServerList.cs

@@ -13,7 +13,8 @@ public static class BuildServerList
             new MyGet(),
             new Jenkins(),
             new GitLabCi(),
-            new VsoAgent()
+            new VsoAgent(),
+			new TravisCI(),
         };
 
         public static IEnumerable<IBuildServer> GetApplicableBuildServers()

src/GitVersionCore/BuildServers/TravisCI.cs

@@ -0,0 +1,30 @@
+using System;
+namespace GitVersion
+{
+	public class TravisCI : BuildServerBase
+	{
+		public override bool CanApplyToCurrentContext ()
+		{
+			return "true".Equals(Environment.GetEnvironmentVariable ("TRAVIS")) && "true".Equals(Environment.GetEnvironmentVariable("CI"));
+		}
+
+		public override string GenerateSetVersionMessage(VersionVariables variables)
+		{
+			return variables.FullSemVer;
+		}
+
+		public override string[] GenerateSetParameterMessage(string name, string value)
+		{
+			return new[]
+			{
+				string.Format("GitVersion_{0}={1}", name, value)
+			};
+		}
+
+		public override bool PreventFetch ()
+		{
+			return true;
+		}
+	}
+}
+

src/GitVersionCore/GitVersionCore.csproj

@@ -165,6 +165,7 @@
     <Compile Include="SemanticVersion.cs" />
     <Compile Include="SemanticVersionBuildMetaData.cs" />
     <Compile Include="SemanticVersionPreReleaseTag.cs" />
+    <Compile Include="BuildServers\TravisCI.cs" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="FodyWeavers.xml">