Add GitVersionInformationAttribute to make reflection easier [rebased]

src/GitVersionTask.Tests/AssemblyInfoBuilderTests.VerifyAssemblyVersion_Major.approved.txt

@@ -1,15 +1,16 @@
-
-using System;
+using System;
 using System.Reflection;
 
 [assembly: AssemblyVersion("2.0.0.0")]
 [assembly: AssemblyFileVersion("2.3.4.0")]
 [assembly: AssemblyInformationalVersion("2.3.4-beta.5+6.Branch.master.Sha.commitSha")]
 [assembly: Fake.ReleaseDate("2014-03-06")]
+[assembly: Fake.GitVersionInformation()]
 
 namespace Fake
 {
     [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
     sealed class ReleaseDateAttribute : System.Attribute
     {
         public string Date { get; private set; }
@@ -42,6 +43,30 @@ namespace Fake
         public static string NuGetVersionV2 = "2.3.4-beta0005";
         public static string NuGetVersion = "2.3.4-beta0005";
         public static string CommitDate = "2014-03-06";
+    }
 
+    [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
+    sealed class GitVersionInformationAttribute : System.Attribute
+    {
+        public string Major { get { return "2"; } }
+        public string Minor { get { return "3"; } }
+        public string Patch { get { return "4"; } }
+        public string PreReleaseTag { get { return "beta.5"; } }
+        public string PreReleaseTagWithDash { get { return "-beta.5"; } }
+        public string BuildMetaData { get { return "6"; } }
+        public string FullBuildMetaData { get { return "6.Branch.master.Sha.commitSha"; } }
+        public string MajorMinorPatch { get { return "2.3.4"; } }
+        public string SemVer { get { return "2.3.4-beta.5"; } }
+        public string LegacySemVer { get { return "2.3.4-beta5"; } }
+        public string LegacySemVerPadded { get { return "2.3.4-beta0005"; } }
+        public string AssemblySemVer { get { return "2.0.0.0"; } }
+        public string FullSemVer { get { return "2.3.4-beta.5+6"; } }
+        public string InformationalVersion { get { return "2.3.4-beta.5+6.Branch.master.Sha.commitSha"; } }
+        public string BranchName { get { return "master"; } }
+        public string Sha { get { return "commitSha"; } }
+        public string NuGetVersionV2 { get { return "2.3.4-beta0005"; } }
+        public string NuGetVersion { get { return "2.3.4-beta0005"; } }
+        public string CommitDate { get { return "2014-03-06"; } }
     }
 }

src/GitVersionTask.Tests/AssemblyInfoBuilderTests.VerifyAssemblyVersion_MajorMinor.approved.txt

@@ -1,15 +1,16 @@
-
-using System;
+using System;
 using System.Reflection;
 
 [assembly: AssemblyVersion("2.3.0.0")]
 [assembly: AssemblyFileVersion("2.3.4.0")]
 [assembly: AssemblyInformationalVersion("2.3.4-beta.5+6.Branch.master.Sha.commitSha")]
 [assembly: Fake.ReleaseDate("2014-03-06")]
+[assembly: Fake.GitVersionInformation()]
 
 namespace Fake
 {
     [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
     sealed class ReleaseDateAttribute : System.Attribute
     {
         public string Date { get; private set; }
@@ -42,6 +43,30 @@ namespace Fake
         public static string NuGetVersionV2 = "2.3.4-beta0005";
         public static string NuGetVersion = "2.3.4-beta0005";
         public static string CommitDate = "2014-03-06";
+    }
 
+    [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
+    sealed class GitVersionInformationAttribute : System.Attribute
+    {
+        public string Major { get { return "2"; } }
+        public string Minor { get { return "3"; } }
+        public string Patch { get { return "4"; } }
+        public string PreReleaseTag { get { return "beta.5"; } }
+        public string PreReleaseTagWithDash { get { return "-beta.5"; } }
+        public string BuildMetaData { get { return "6"; } }
+        public string FullBuildMetaData { get { return "6.Branch.master.Sha.commitSha"; } }
+        public string MajorMinorPatch { get { return "2.3.4"; } }
+        public string SemVer { get { return "2.3.4-beta.5"; } }
+        public string LegacySemVer { get { return "2.3.4-beta5"; } }
+        public string LegacySemVerPadded { get { return "2.3.4-beta0005"; } }
+        public string AssemblySemVer { get { return "2.3.0.0"; } }
+        public string FullSemVer { get { return "2.3.4-beta.5+6"; } }
+        public string InformationalVersion { get { return "2.3.4-beta.5+6.Branch.master.Sha.commitSha"; } }
+        public string BranchName { get { return "master"; } }
+        public string Sha { get { return "commitSha"; } }
+        public string NuGetVersionV2 { get { return "2.3.4-beta0005"; } }
+        public string NuGetVersion { get { return "2.3.4-beta0005"; } }
+        public string CommitDate { get { return "2014-03-06"; } }
     }
 }

src/GitVersionTask.Tests/AssemblyInfoBuilderTests.VerifyAssemblyVersion_MajorMinorPatch.approved.txt

@@ -1,15 +1,16 @@
-
-using System;
+using System;
 using System.Reflection;
 
 [assembly: AssemblyVersion("2.3.4.0")]
 [assembly: AssemblyFileVersion("2.3.4.0")]
 [assembly: AssemblyInformationalVersion("2.3.4-beta.5+6.Branch.master.Sha.commitSha")]
 [assembly: Fake.ReleaseDate("2014-03-06")]
+[assembly: Fake.GitVersionInformation()]
 
 namespace Fake
 {
     [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
     sealed class ReleaseDateAttribute : System.Attribute
     {
         public string Date { get; private set; }
@@ -42,6 +43,30 @@ namespace Fake
         public static string NuGetVersionV2 = "2.3.4-beta0005";
         public static string NuGetVersion = "2.3.4-beta0005";
         public static string CommitDate = "2014-03-06";
+    }
 
+    [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
+    sealed class GitVersionInformationAttribute : System.Attribute
+    {
+        public string Major { get { return "2"; } }
+        public string Minor { get { return "3"; } }
+        public string Patch { get { return "4"; } }
+        public string PreReleaseTag { get { return "beta.5"; } }
+        public string PreReleaseTagWithDash { get { return "-beta.5"; } }
+        public string BuildMetaData { get { return "6"; } }
+        public string FullBuildMetaData { get { return "6.Branch.master.Sha.commitSha"; } }
+        public string MajorMinorPatch { get { return "2.3.4"; } }
+        public string SemVer { get { return "2.3.4-beta.5"; } }
+        public string LegacySemVer { get { return "2.3.4-beta5"; } }
+        public string LegacySemVerPadded { get { return "2.3.4-beta0005"; } }
+        public string AssemblySemVer { get { return "2.3.4.0"; } }
+        public string FullSemVer { get { return "2.3.4-beta.5+6"; } }
+        public string InformationalVersion { get { return "2.3.4-beta.5+6.Branch.master.Sha.commitSha"; } }
+        public string BranchName { get { return "master"; } }
+        public string Sha { get { return "commitSha"; } }
+        public string NuGetVersionV2 { get { return "2.3.4-beta0005"; } }
+        public string NuGetVersion { get { return "2.3.4-beta0005"; } }
+        public string CommitDate { get { return "2014-03-06"; } }
     }
 }

src/GitVersionTask.Tests/AssemblyInfoBuilderTests.VerifyAssemblyVersion_MajorMinorPatchTag.approved.txt

@@ -1,15 +1,16 @@
-
-using System;
+using System;
 using System.Reflection;
 
 [assembly: AssemblyVersion("2.3.4.5")]
 [assembly: AssemblyFileVersion("2.3.4.0")]
 [assembly: AssemblyInformationalVersion("2.3.4-beta.5+6.Branch.master.Sha.commitSha")]
 [assembly: Fake.ReleaseDate("2014-03-06")]
+[assembly: Fake.GitVersionInformation()]
 
 namespace Fake
 {
     [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
     sealed class ReleaseDateAttribute : System.Attribute
     {
         public string Date { get; private set; }
@@ -42,6 +43,30 @@ namespace Fake
         public static string NuGetVersionV2 = "2.3.4-beta0005";
         public static string NuGetVersion = "2.3.4-beta0005";
         public static string CommitDate = "2014-03-06";
+    }
 
+    [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
+    sealed class GitVersionInformationAttribute : System.Attribute
+    {
+        public string Major { get { return "2"; } }
+        public string Minor { get { return "3"; } }
+        public string Patch { get { return "4"; } }
+        public string PreReleaseTag { get { return "beta.5"; } }
+        public string PreReleaseTagWithDash { get { return "-beta.5"; } }
+        public string BuildMetaData { get { return "6"; } }
+        public string FullBuildMetaData { get { return "6.Branch.master.Sha.commitSha"; } }
+        public string MajorMinorPatch { get { return "2.3.4"; } }
+        public string SemVer { get { return "2.3.4-beta.5"; } }
+        public string LegacySemVer { get { return "2.3.4-beta5"; } }
+        public string LegacySemVerPadded { get { return "2.3.4-beta0005"; } }
+        public string AssemblySemVer { get { return "2.3.4.5"; } }
+        public string FullSemVer { get { return "2.3.4-beta.5+6"; } }
+        public string InformationalVersion { get { return "2.3.4-beta.5+6.Branch.master.Sha.commitSha"; } }
+        public string BranchName { get { return "master"; } }
+        public string Sha { get { return "commitSha"; } }
+        public string NuGetVersionV2 { get { return "2.3.4-beta0005"; } }
+        public string NuGetVersion { get { return "2.3.4-beta0005"; } }
+        public string CommitDate { get { return "2014-03-06"; } }
     }
 }

src/GitVersionTask.Tests/AssemblyInfoBuilderTests.VerifyCreatedCode.approved.txt

@@ -1,15 +1,16 @@
-
-using System;
+using System;
 using System.Reflection;
 
 [assembly: AssemblyVersion("1.2.3.0")]
 [assembly: AssemblyFileVersion("1.2.3.0")]
 [assembly: AssemblyInformationalVersion("1.2.3-unstable.4+5.Branch.feature1.Sha.commitSha")]
 [assembly: Fake.ReleaseDate("2014-03-06")]
+[assembly: Fake.GitVersionInformation()]
 
 namespace Fake
 {
     [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
     sealed class ReleaseDateAttribute : System.Attribute
     {
         public string Date { get; private set; }
@@ -42,6 +43,30 @@ namespace Fake
         public static string NuGetVersionV2 = "1.2.3-unstable0004";
         public static string NuGetVersion = "1.2.3-unstable0004";
         public static string CommitDate = "2014-03-06";
+    }
 
+    [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
+    sealed class GitVersionInformationAttribute : System.Attribute
+    {
+        public string Major { get { return "1"; } }
+        public string Minor { get { return "2"; } }
+        public string Patch { get { return "3"; } }
+        public string PreReleaseTag { get { return "unstable.4"; } }
+        public string PreReleaseTagWithDash { get { return "-unstable.4"; } }
+        public string BuildMetaData { get { return "5"; } }
+        public string FullBuildMetaData { get { return "5.Branch.feature1.Sha.commitSha"; } }
+        public string MajorMinorPatch { get { return "1.2.3"; } }
+        public string SemVer { get { return "1.2.3-unstable.4"; } }
+        public string LegacySemVer { get { return "1.2.3-unstable4"; } }
+        public string LegacySemVerPadded { get { return "1.2.3-unstable0004"; } }
+        public string AssemblySemVer { get { return "1.2.3.0"; } }
+        public string FullSemVer { get { return "1.2.3-unstable.4+5"; } }
+        public string InformationalVersion { get { return "1.2.3-unstable.4+5.Branch.feature1.Sha.commitSha"; } }
+        public string BranchName { get { return "feature1"; } }
+        public string Sha { get { return "commitSha"; } }
+        public string NuGetVersionV2 { get { return "1.2.3-unstable0004"; } }
+        public string NuGetVersion { get { return "1.2.3-unstable0004"; } }
+        public string CommitDate { get { return "2014-03-06"; } }
     }
 }

src/GitVersionTask.Tests/AssemblyInfoBuilderTests.cs

@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using System.Linq;
+using System.Reflection;
 using System.Runtime.CompilerServices;
 using ApprovalTests;
 using GitVersion;
@@ -29,12 +30,20 @@ public void VerifyCreatedCode()
         Approvals.Verify(assemblyInfoText);
 
         var compilation = CSharpCompilation.Create("Fake.dll")
-            .WithOptions(new CSharpCompilationOptions(OutputKind.NetModule))
+            .WithOptions(new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary))
             .AddReferences(MetadataReference.CreateFromFile(typeof(object).Assembly.Location))
             .AddSyntaxTrees(CSharpSyntaxTree.ParseText(assemblyInfoText));
 
-        var emitResult = compilation.Emit(new MemoryStream());
-        Assert.IsTrue(emitResult.Success, string.Join(Environment.NewLine, emitResult.Diagnostics.Select(x => x.Descriptor)));
+        using (var stream = new MemoryStream())
+        {
+            var emitResult = compilation.Emit(stream);
+
+            Assert.IsTrue(emitResult.Success, string.Join(Environment.NewLine, emitResult.Diagnostics.Select(x => x.Descriptor)));
+
+            stream.Seek(0, SeekOrigin.Begin);
+            var assembly = Assembly.Load(stream.ToArray());
+            VerifyGitVersionInformationAttribute(assembly, versionVariables);
+        }
     }
 
     [Test]
@@ -89,4 +98,32 @@ static void VerifyAssemblyVersion(AssemblyVersioningScheme avs)
         var emitResult = compilation.Emit(new MemoryStream());
         Assert.IsTrue(emitResult.Success, string.Join(Environment.NewLine, emitResult.Diagnostics.Select(x => x.Descriptor)));
     }
+
+    static void VerifyGitVersionInformationAttribute(Assembly assembly, VersionVariables versionVariables)
+    {
+        var gitVersionInformationAttributeData = assembly.CustomAttributes
+            .FirstOrDefault(a => a.AttributeType.Name == "GitVersionInformationAttribute");
+
+        Assert.IsNotNull(gitVersionInformationAttributeData);
+
+        var gitVersionInformationAttributeType = gitVersionInformationAttributeData.AttributeType;
+        var gitVersionInformationAttribute = assembly
+            .GetCustomAttributes(gitVersionInformationAttributeType)
+            .FirstOrDefault();
+
+        Assert.IsNotNull(gitVersionInformationAttribute);
+
+        var properties = gitVersionInformationAttributeType.GetProperties(BindingFlags.Instance | BindingFlags.Public);
+
+        foreach (var variable in versionVariables)
+        {
+            Assert.IsNotNull(variable.Value);
+
+            var property = properties.FirstOrDefault(p => p.Name == variable.Key);
+            Assert.IsNotNull(property);
+
+            var propertyValue = property.GetValue(gitVersionInformationAttribute, null);
+            Assert.AreEqual(variable.Value, propertyValue, "{0} had an invalid value.", property.Name);
+        }
+    }
 }

src/GitVersionTask/AssemblyInfoBuilder/AssemblyInfoBuilder.cs

@@ -1,23 +1,28 @@
-using System.Collections.Generic;
-using System.Text;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 using GitVersion;
 
 public class AssemblyInfoBuilder
 {
     public string GetAssemblyInfoText(VersionVariables vars, string assemblyName)
     {
-        var assemblyInfo = string.Format(@"
-using System;
+        var v = vars.ToList();
+
+        var assemblyInfo = string.Format(
+@"using System;
 using System.Reflection;
 
 [assembly: AssemblyVersion(""{0}"")]
 [assembly: AssemblyFileVersion(""{1}"")]
 [assembly: AssemblyInformationalVersion(""{2}"")]
-[assembly: {5}.ReleaseDate(""{3}"")]
+[assembly: {6}.ReleaseDate(""{3}"")]
+[assembly: {6}.GitVersionInformation()]
 
-namespace {5}
+namespace {6}
 {{
     [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
     sealed class ReleaseDateAttribute : System.Attribute
     {{
         public string Date {{ get; private set; }}
@@ -33,26 +38,39 @@ static class GitVersionInformation
     {{
 {4}
     }}
+
+    [System.Runtime.CompilerServices.CompilerGenerated]
+    [AttributeUsage(AttributeTargets.Assembly)]
+    sealed class GitVersionInformationAttribute : System.Attribute
+    {{
+{5}
+    }}
 }}
 ",
         vars.AssemblySemVer,
         vars.MajorMinorPatch + ".0",
         vars.InformationalVersion,
         vars.CommitDate,
-        GenerateVariableMembers(vars),
+        GenerateStaticVariableMembers(v),
+        GenerateAttributeVariableMembers(v),
         assemblyName);
 
         return assemblyInfo;
     }
 
-    string GenerateVariableMembers(IEnumerable<KeyValuePair<string, string>> vars)
+    static string GenerateStaticVariableMembers(IList<KeyValuePair<string, string>> vars)
     {
-        var members = new StringBuilder();
-        foreach (var variable in vars)
-        {
-            members.AppendLine(string.Format("        public static string {0} = \"{1}\";", variable.Key, variable.Value));
-        }
+        return GenerateMembers(vars, "        public static string {0} = \"{1}\";");
+    }
 
-        return members.ToString();
+
+    static string GenerateAttributeVariableMembers(IList<KeyValuePair<string, string>> vars)
+    {
+        return GenerateMembers(vars, "        public string {0} {{ get {{ return \"{1}\"; }} }}");
+    }
+
+    static string GenerateMembers(IList<KeyValuePair<string, string>> vars, string memberFormat)
+    {
+        return string.Join(Environment.NewLine, vars.Select(v => string.Format(memberFormat, v.Key, v.Value)));
     }
 }