Fall back to master if main is missing

src/GitVersion.Core.Tests/Helpers/TestEffectiveConfiguration.cs

@@ -34,13 +34,36 @@ public TestEffectiveConfiguration(
         bool isRelease = false,
         string commitDateFormat = "yyyy-MM-dd",
         bool updateBuildNumber = false) :
-        base(assemblyVersioningScheme, assemblyFileVersioningScheme, assemblyInformationalFormat, assemblyVersioningFormat, assemblyFileVersioningFormat, versioningMode, gitTagPrefix, tag, nextVersion, IncrementStrategy.Patch,
-            branchPrefixToTrim, preventIncrementForMergedBranchVersion, tagNumberPattern, continuousDeploymentFallbackTag,
+        base(assemblyVersioningScheme,
+            assemblyFileVersioningScheme,
+            assemblyInformationalFormat,
+            assemblyVersioningFormat,
+            assemblyFileVersioningFormat,
+            versioningMode,
+            gitTagPrefix,
+            tag,
+            nextVersion,
+            IncrementStrategy.Patch,
+            branchPrefixToTrim,
+            preventIncrementForMergedBranchVersion,
+            tagNumberPattern,
+            continuousDeploymentFallbackTag,
             trackMergeTarget,
-            majorMessage, minorMessage, patchMessage, noBumpMessage,
-            commitMessageMode, legacySemVerPadding, buildMetaDataPadding, commitsSinceVersionSourcePadding,
+            majorMessage,
+            minorMessage,
+            patchMessage,
+            noBumpMessage,
+            commitMessageMode,
+            legacySemVerPadding,
+            buildMetaDataPadding,
+            commitsSinceVersionSourcePadding,
             versionFilters ?? Enumerable.Empty<IVersionFilter>(),
-            tracksReleaseBranches, isRelease, commitDateFormat, updateBuildNumber, 0, 0)
+            tracksReleaseBranches,
+            isRelease,
+            commitDateFormat,
+            updateBuildNumber,
+            0,
+            0)
     {
     }
 }

src/GitVersion.Core.Tests/Model/CommitDateTests.cs

@@ -1,7 +1,4 @@
 using GitVersion.Core.Tests.Helpers;
-using GitVersion.Extensions;
-using GitVersion.Model.Configuration;
-using GitVersion.VersionCalculation;
 using NUnit.Framework;
 
 namespace GitVersion.Core.Tests;
@@ -17,17 +14,20 @@ public class CommitDateTests : TestBase
     public void CommitDateFormatTest(string format, string expectedOutcome)
     {
         var date = new DateTime(2017, 10, 6);
-
-        var formatValues = new SemanticVersionFormatValues(
-            new SemanticVersion
-            {
-                BuildMetaData = new SemanticVersionBuildMetaData("950d2f830f5a2af12a6779a48d20dcbb02351f25", 0, MainBranch, "3139d4eeb044f46057693473eacc2655b3b27e7d", "3139d4eeb", new DateTimeOffset(date, TimeSpan.Zero), 0) // assume time zone is UTC
-
-            },
-            new EffectiveConfiguration(
-                AssemblyVersioningScheme.MajorMinorPatch, AssemblyFileVersioningScheme.MajorMinorPatch, "", "", "", VersioningMode.ContinuousDelivery, "", "", "", IncrementStrategy.Inherit,
-                "", true, "", "", false, "", "", "", "", CommitMessageIncrementMode.Enabled, 4, 4, 4, Enumerable.Empty<IVersionFilter>(), false, true, format, false, 0, 0)
-        );
+        var semanticVersionBuildMetaData = new SemanticVersionBuildMetaData(
+            "950d2f830f5a2af12a6779a48d20dcbb02351f25",
+            0,
+            MainBranch,
+            "3139d4eeb044f46057693473eacc2655b3b27e7d",
+            "3139d4eeb",
+            new DateTimeOffset(date, TimeSpan.Zero),
+            0);
+        var semanticVersion = new SemanticVersion
+        {
+            BuildMetaData = semanticVersionBuildMetaData // assume time zone is UTC
+        };
+        var configuration = new TestEffectiveConfiguration(commitDateFormat: format);
+        var formatValues = new SemanticVersionFormatValues(semanticVersion, configuration);
 
         Assert.That(formatValues.CommitDate, Is.EqualTo(expectedOutcome));
     }

src/GitVersion.Core/Configuration/ConfigExtensions.cs

@@ -42,82 +42,6 @@ public static class ConfigExtensions
 
     public static bool IsReleaseBranch(this Config config, string branchName) => config.GetConfigForBranch(branchName)?.IsReleaseBranch ?? false;
 
-    public static EffectiveConfiguration CalculateEffectiveConfiguration(this Config configuration, BranchConfig currentBranchConfig)
-    {
-        var name = currentBranchConfig.Name;
-        if (!currentBranchConfig.VersioningMode.HasValue)
-            throw new Exception($"Configuration value for 'Versioning mode' for branch {name} has no value. (this should not happen, please report an issue)");
-        if (!currentBranchConfig.Increment.HasValue)
-            throw new Exception($"Configuration value for 'Increment' for branch {name} has no value. (this should not happen, please report an issue)");
-        if (!currentBranchConfig.PreventIncrementOfMergedBranchVersion.HasValue)
-            throw new Exception($"Configuration value for 'PreventIncrementOfMergedBranchVersion' for branch {name} has no value. (this should not happen, please report an issue)");
-        if (!currentBranchConfig.TrackMergeTarget.HasValue)
-            throw new Exception($"Configuration value for 'TrackMergeTarget' for branch {name} has no value. (this should not happen, please report an issue)");
-        if (!currentBranchConfig.TracksReleaseBranches.HasValue)
-            throw new Exception($"Configuration value for 'TracksReleaseBranches' for branch {name} has no value. (this should not happen, please report an issue)");
-        if (!currentBranchConfig.IsReleaseBranch.HasValue)
-            throw new Exception($"Configuration value for 'IsReleaseBranch' for branch {name} has no value. (this should not happen, please report an issue)");
-
-        if (!configuration.AssemblyVersioningScheme.HasValue)
-            throw new Exception("Configuration value for 'AssemblyVersioningScheme' has no value. (this should not happen, please report an issue)");
-        if (!configuration.AssemblyFileVersioningScheme.HasValue)
-            throw new Exception("Configuration value for 'AssemblyFileVersioningScheme' has no value. (this should not happen, please report an issue)");
-        if (!configuration.CommitMessageIncrementing.HasValue)
-            throw new Exception("Configuration value for 'CommitMessageIncrementing' has no value. (this should not happen, please report an issue)");
-        if (!configuration.LegacySemVerPadding.HasValue)
-            throw new Exception("Configuration value for 'LegacySemVerPadding' has no value. (this should not happen, please report an issue)");
-        if (!configuration.BuildMetaDataPadding.HasValue)
-            throw new Exception("Configuration value for 'BuildMetaDataPadding' has no value. (this should not happen, please report an issue)");
-        if (!configuration.CommitsSinceVersionSourcePadding.HasValue)
-            throw new Exception("Configuration value for 'CommitsSinceVersionSourcePadding' has no value. (this should not happen, please report an issue)");
-        if (!configuration.TagPreReleaseWeight.HasValue)
-            throw new Exception("Configuration value for 'TagPreReleaseWeight' has no value. (this should not happen, please report an issue)");
-
-        var versioningMode = currentBranchConfig.VersioningMode.Value;
-        var tag = currentBranchConfig.Tag;
-        var tagNumberPattern = currentBranchConfig.TagNumberPattern;
-        var incrementStrategy = currentBranchConfig.Increment.Value;
-        var preventIncrementForMergedBranchVersion = currentBranchConfig.PreventIncrementOfMergedBranchVersion.Value;
-        var trackMergeTarget = currentBranchConfig.TrackMergeTarget.Value;
-        var preReleaseWeight = currentBranchConfig.PreReleaseWeight ?? 0;
-
-        var nextVersion = configuration.NextVersion;
-        var assemblyVersioningScheme = configuration.AssemblyVersioningScheme.Value;
-        var assemblyFileVersioningScheme = configuration.AssemblyFileVersioningScheme.Value;
-        var assemblyInformationalFormat = configuration.AssemblyInformationalFormat;
-        var assemblyVersioningFormat = configuration.AssemblyVersioningFormat;
-        var assemblyFileVersioningFormat = configuration.AssemblyFileVersioningFormat;
-        var gitTagPrefix = configuration.TagPrefix;
-        var majorMessage = configuration.MajorVersionBumpMessage;
-        var minorMessage = configuration.MinorVersionBumpMessage;
-        var patchMessage = configuration.PatchVersionBumpMessage;
-        var noBumpMessage = configuration.NoBumpMessage;
-        var commitDateFormat = configuration.CommitDateFormat;
-        var updateBuildNumber = configuration.UpdateBuildNumber ?? true;
-        var tagPreReleaseWeight = configuration.TagPreReleaseWeight.Value;
-
-        var commitMessageVersionBump = currentBranchConfig.CommitMessageIncrementing ?? configuration.CommitMessageIncrementing.Value;
-        return new EffectiveConfiguration(
-            assemblyVersioningScheme, assemblyFileVersioningScheme, assemblyInformationalFormat, assemblyVersioningFormat, assemblyFileVersioningFormat, versioningMode, gitTagPrefix,
-            tag, nextVersion, incrementStrategy,
-            currentBranchConfig.Regex,
-            preventIncrementForMergedBranchVersion,
-            tagNumberPattern, configuration.ContinuousDeploymentFallbackTag,
-            trackMergeTarget,
-            majorMessage, minorMessage, patchMessage, noBumpMessage,
-            commitMessageVersionBump,
-            configuration.LegacySemVerPadding.Value,
-            configuration.BuildMetaDataPadding.Value,
-            configuration.CommitsSinceVersionSourcePadding.Value,
-            configuration.Ignore.ToFilters(),
-            currentBranchConfig.TracksReleaseBranches.Value,
-            currentBranchConfig.IsReleaseBranch.Value,
-            commitDateFormat,
-            updateBuildNumber,
-            preReleaseWeight,
-            tagPreReleaseWeight);
-    }
-
     public static string GetBranchSpecificTag(this EffectiveConfiguration configuration, ILog log, string? branchFriendlyName, string? branchNameOverride)
     {
         var tagToUse = configuration.Tag ?? "{BranchName}";

src/GitVersion.Core/Core/Abstractions/IRepositoryStore.cs

@@ -18,6 +18,7 @@ public interface IRepositoryStore
 
     IBranch GetTargetBranch(string? targetBranchName);
     IBranch? FindBranch(string? branchName);
+    IBranch? FindMainBranch(Config configuration);
     IBranch? GetChosenBranch(Config configuration);
     IEnumerable<IBranch> GetBranchesForCommit(ICommit commit);
     IEnumerable<IBranch> GetExcludedInheritBranches(Config configuration);

src/GitVersion.Core/Core/GitVersionContextFactory.cs

@@ -1,6 +1,7 @@
 using GitVersion.Common;
 using GitVersion.Configuration;
 using GitVersion.Extensions;
+using GitVersion.Model.Configuration;
 using Microsoft.Extensions.Options;
 
 namespace GitVersion;
@@ -36,7 +37,7 @@ public GitVersionContext Create(GitVersionOptions gitVersionOptions)
         }
 
         var currentBranchConfig = this.branchConfigurationCalculator.GetBranchConfiguration(currentBranch, currentCommit, configuration);
-        var effectiveConfiguration = configuration.CalculateEffectiveConfiguration(currentBranchConfig);
+        var effectiveConfiguration = new EffectiveConfiguration(configuration, currentBranchConfig);
         var currentCommitTaggedVersion = this.repositoryStore.GetCurrentCommitTaggedVersion(currentCommit, effectiveConfiguration);
         var numberOfUncommittedChanges = this.repositoryStore.GetNumberOfUncommittedChanges();
 

src/GitVersion.Core/Core/RepositoryStore.cs

@@ -126,6 +126,20 @@ public IBranch GetTargetBranch(string? targetBranchName)
 
     public IBranch? FindBranch(string? branchName) => this.repository.Branches.FirstOrDefault(x => x.Name.EquivalentTo(branchName));
 
+    public IBranch? FindMainBranch(Config configuration)
+    {
+        var mainBranchRegex = configuration.Branches[Config.MainBranchKey]?.Regex
+                              ?? configuration.Branches[Config.MasterBranchKey]?.Regex;
+
+        if (mainBranchRegex == null)
+        {
+            return FindBranch(Config.MainBranchKey) ?? FindBranch(Config.MasterBranchKey);
+        }
+
+        return this.repository.Branches.FirstOrDefault(b =>
+            Regex.IsMatch(b.Name.Friendly, mainBranchRegex, RegexOptions.IgnoreCase));
+    }
+
     public IBranch? GetChosenBranch(Config configuration)
     {
         var developBranchRegex = configuration.Branches[Config.DevelopBranchKey]?.Regex;