Support nextversion in config

GitVersionCore.Tests/IntegrationTests/GitHubFlow/MasterTests.cs

@@ -1,6 +1,8 @@
-using GitVersion;
+using System;
+using GitVersion;
 using LibGit2Sharp;
 using NUnit.Framework;
+using Shouldly;
 
 [TestFixture]
 public class MasterTests
@@ -69,6 +71,31 @@ public void GivenARepositoryWithTagAndANextVersionTxtFile_VersionShouldMatchVers
         }
     }
 
+    [Test]
+    public void GivenARepositoryWithTagAndNextVersionInConfig_VersionShouldMatchVersionTxtFile()
+    {
+        const string ExpectedNextVersion = "1.1.0";
+        using (var fixture = new EmptyRepositoryFixture(new Config { NextVersion = ExpectedNextVersion }))
+        {
+            const string TaggedVersion = "1.0.3";
+            fixture.Repository.MakeATaggedCommit(TaggedVersion);
+            fixture.Repository.MakeCommits(5);
+
+            fixture.AssertFullSemver("1.1.0+5");
+        }
+    }
+
+    [Test]
+    public void GivenARepositoryWithANextVersionTxtFileAndNextVersionInConfig_ErrorIsThrown()
+    {
+        using (var fixture = new EmptyRepositoryFixture(new Config { NextVersion = "1.1.0" }))
+        {
+            fixture.Repository.AddNextVersionTxtFile("1.1.0");
+
+            Should.Throw<Exception>(() => fixture.AssertFullSemver("1.1.0+5"));
+        }
+    }
+
     [Test]
     public void GivenARepositoryWithTagAndANextVersionTxtFileAndNoCommits_VersionShouldBeTag()
     {
@@ -123,6 +150,20 @@ public void GivenARepositoryWithTagAndOldNextVersionTxtFile_VersionShouldBeTagWi
         }
     }
 
+    [Test]
+    public void GivenARepositoryWithTagAndOldNextVersionConfig_VersionShouldBeTagWithBumpedPatch()
+    {
+        const string NextVersionConfig = "1.0.0";
+        using (var fixture = new EmptyRepositoryFixture(new Config { NextVersion = NextVersionConfig }))
+        {
+            const string TaggedVersion = "1.1.0";
+            fixture.Repository.MakeATaggedCommit(TaggedVersion);
+            fixture.Repository.MakeCommits(5);
+
+            fixture.AssertFullSemver("1.1.1+5");
+        }
+    }
+
     [Test]
     public void GivenARepositoryWithTagAndOldNextVersionTxtFileAndNoCommits_VersionShouldBeTag()
     {
@@ -140,7 +181,7 @@ public void GivenARepositoryWithTagAndOldNextVersionTxtFileAndNoCommits_VersionS
     [Test]
     public void CanSpecifyTagPrefixes()
     {
-        using (var fixture = new EmptyRepositoryFixture(new Config{ TagPrefix = "version-"}))
+        using (var fixture = new EmptyRepositoryFixture(new Config { TagPrefix = "version-" }))
         {
             const string TaggedVersion = "version-1.0.3";
             fixture.Repository.MakeATaggedCommit(TaggedVersion);
@@ -153,7 +194,7 @@ public void CanSpecifyTagPrefixes()
     [Test]
     public void CanSpecifyTagPrefixesAsRegex()
     {
-        using (var fixture = new EmptyRepositoryFixture(new Config{ TagPrefix = "[version-|v]"}))
+        using (var fixture = new EmptyRepositoryFixture(new Config { TagPrefix = "[version-|v]" }))
         {
             const string TaggedVersion = "v1.0.3";
             fixture.Repository.MakeATaggedCommit(TaggedVersion);

GitVersionCore/Configuration/Config.cs

@@ -9,7 +9,7 @@ public Config()
             AssemblyVersioningScheme = AssemblyVersioningScheme.MajorMinorPatch;
             DevelopBranchTag = "unstable";
             ReleaseBranchTag = "beta";
-            TagPrefix = "v";
+            TagPrefix = "[vV]";
         }
 
         public AssemblyVersioningScheme AssemblyVersioningScheme { get; set; }
@@ -22,5 +22,8 @@ public Config()
 
         [YamlAlias("tag-prefix")]
         public string TagPrefix { get; set; }
+
+        [YamlAlias("next-version")]
+        public string NextVersion { get; set; }
     }
 }

GitVersionCore/GitHubFlow/NextSemverCalculator.cs

@@ -1,5 +1,6 @@
 namespace GitVersion
 {
+    using System;
     using System.Collections.Generic;
     using System.Linq;
 
@@ -58,10 +59,22 @@ public IEnumerable<SemanticVersion> GetPossibleVersions()
             }
 
             SemanticVersion fileVersion;
-            if (nextVersionTxtFileFinder.TryGetNextVersion(out fileVersion))
+            var hasNextVersionTxtVersion = nextVersionTxtFileFinder.TryGetNextVersion(out fileVersion);
+            if (hasNextVersionTxtVersion && !string.IsNullOrEmpty(context.Configuration.NextVersion))
+            {
+                throw new Exception("You cannot specify a next version in both NextVersion.txt and GitVersionConfig.yaml. Please delete NextVersion.txt and use GitVersionConfig.yaml");
+            }
+
+            if (!string.IsNullOrEmpty(context.Configuration.NextVersion))
+            {
+                yield return SemanticVersion.Parse(context.Configuration.NextVersion, context.Configuration.TagPrefix);
+            }
+
+            if (hasNextVersionTxtVersion)
             {
                 yield return fileVersion;
             }
+
             SemanticVersion tryGetVersion;
             if (mergedBranchesWithVersionFinder.TryGetVersion(out tryGetVersion))
             {

GitVersionTask/AssemblyInfoBuilder/UpdateAssemblyInfo.cs

@@ -17,6 +17,8 @@ public class UpdateAssemblyInfo : Task
 
         public string TagPrefix { get; set; }
 
+        public string NextVersion { get; set; }
+
         [Required]
         public string SolutionDirectory { get; set; }
 
@@ -87,6 +89,7 @@ public void InnerExecute()
             }
 
             // TODO This should be covered by tests
+            // TODO would be good to not have to duplicate this in both msbuild tasks
             // Null is intentional. Empty string means the user has set the value to an empty string and wants to clear the tag
             if (DevelopBranchTag != null)
             {
@@ -103,6 +106,11 @@ public void InnerExecute()
                 configuration.TagPrefix = TagPrefix;
             }
 
+            if (NextVersion != null)
+            {
+                configuration.NextVersion = NextVersion;
+            }
+
             CachedVersion semanticVersion;
             if (!VersionAndBranchFinder.TryGetVersion(SolutionDirectory, out semanticVersion, configuration))
             {

GitVersionTask/GetVersion.cs

@@ -80,6 +80,8 @@ public class GetVersion : Task
 
         public string TagPrefix { get; set; }
 
+        public string NextVersion { get; set; }
+
         TaskLogger logger;
 
         public GetVersion()
@@ -114,6 +116,11 @@ public override bool Execute()
                     configuration.TagPrefix = TagPrefix;
                 }
 
+                if (NextVersion != null)
+                {
+                    configuration.NextVersion = NextVersion;
+                }
+
                 if (VersionAndBranchFinder.TryGetVersion(SolutionDirectory, out versionAndBranch, configuration))
                 {
                     var thisType = typeof(GetVersion);