GH-1874, fix the nofetch behaviour, it was not correctly initialized

azure-pipelines.yml

@@ -9,7 +9,7 @@ stages:
         'Windows':
           VM_IMAGE: 'windows-latest'
         'Linux':
-          VM_IMAGE: 'ubuntu-latest'
+          VM_IMAGE: 'ubuntu-16.04'
         'macOS':
           VM_IMAGE: 'macOS-latest'
     pool:
@@ -26,7 +26,7 @@ stages:
   - template: build/stages/artifacts-test.yml
     parameters:
       name: Linux
-      vmImage: 'ubuntu-latest'
+      vmImage: 'ubuntu-16.04'
   - template: build/stages/artifacts-test.yml
     parameters:
       name: Windows
@@ -40,7 +40,7 @@ stages:
   - template: build/stages/docker.yml
     parameters:
       name: Linux
-      vmImage: 'ubuntu-latest'
+      vmImage: 'ubuntu-16.04'
   - template: build/stages/docker.yml
     parameters:
       name: Windows

src/GitVersionCore/Configuration/NamedConfigFileLocator.cs

@@ -10,8 +10,7 @@ public class NamedConfigFileLocator : ConfigFileLocator
     {
         public NamedConfigFileLocator(IFileSystem fileSystem, ILog log, IOptions<Arguments> options) : base(fileSystem, log)
         {
-            var arguments = options.Value;
-            var filePath = arguments.ConfigFile;
+            var filePath = options.Value.ConfigFile;
             if (string.IsNullOrEmpty(filePath)) throw new ArgumentNullException(nameof(filePath), "Empty file path provided!");
             FilePath = filePath;
         }

src/GitVersionCore/GitPreparer.cs

@@ -13,7 +13,6 @@ public class GitPreparer : IGitPreparer
         private readonly ILog log;
         private readonly IEnvironment environment;
         private readonly string dynamicRepositoryLocation;
-        private readonly bool noFetch;
         private readonly Arguments arguments;
 
         private const string DefaultRemoteName = "origin";
@@ -29,7 +28,6 @@ public GitPreparer(ILog log, IEnvironment environment, IOptions<Arguments> optio
             WorkingDirectory = arguments.TargetPath.TrimEnd('/', '\\');
 
             dynamicRepositoryLocation = arguments.DynamicRepositoryLocation;
-            noFetch = arguments.NoFetch;
         }
 
         public void Prepare(bool normalizeGitDirectory, string currentBranch, bool shouldCleanUpRemotes = false)
@@ -39,23 +37,24 @@ public void Prepare(bool normalizeGitDirectory, string currentBranch, bool shoul
                 Username = arguments.Authentication?.Username,
                 Password = arguments.Authentication?.Password
             };
-            if (string.IsNullOrWhiteSpace(TargetUrl))
+            if (!string.IsNullOrWhiteSpace(TargetUrl))
             {
-                if (!normalizeGitDirectory) return;
-                using (log.IndentLog($"Normalizing git directory for branch '{currentBranch}'"))
+                var tempRepositoryPath = CalculateTemporaryRepositoryPath(TargetUrl, dynamicRepositoryLocation);
+
+                dynamicGitRepositoryPath = CreateDynamicRepository(tempRepositoryPath, authentication, TargetUrl, currentBranch);
+            }
+            else
+            {
+                if (normalizeGitDirectory)
                 {
                     if (shouldCleanUpRemotes)
                     {
                         CleanupDuplicateOrigin();
                     }
-                    GitRepositoryHelper.NormalizeGitDirectory(log, environment, GetDotGitDirectory(), authentication, noFetch, currentBranch, IsDynamicGitRepository());
+
+                    NormalizeGitDirectory(authentication, currentBranch, GetDotGitDirectory(), IsDynamicGitRepository());
                 }
-                return;
             }
-
-            var tempRepositoryPath = CalculateTemporaryRepositoryPath(TargetUrl, dynamicRepositoryLocation);
-
-            dynamicGitRepositoryPath = CreateDynamicRepository(tempRepositoryPath, authentication, TargetUrl, currentBranch);
         }
 
         public TResult WithRepository<TResult>(Func<IRepository, TResult> action)
@@ -108,7 +107,7 @@ private void CleanupDuplicateOrigin()
         {
             var remoteToKeep = DefaultRemoteName;
 
-            var repo = new Repository(GetDotGitDirectory());
+            using var repo = new Repository(GetDotGitDirectory());
 
             // check that we have a remote that matches defaultRemoteName if not take the first remote
             if (!repo.Network.Remotes.Any(remote => remote.Name.Equals(DefaultRemoteName, StringComparison.InvariantCultureIgnoreCase)))
@@ -176,29 +175,28 @@ private string CreateDynamicRepository(string targetPath, AuthenticationInfo aut
             using (log.IndentLog($"Creating dynamic repository at '{targetPath}'"))
             {
                 var gitDirectory = Path.Combine(targetPath, ".git");
-                if (Directory.Exists(targetPath))
+                if (!Directory.Exists(targetPath))
                 {
-                    log.Info("Git repository already exists");
-                    using (log.IndentLog($"Normalizing git directory for branch '{targetBranch}'"))
-                    {
-                        GitRepositoryHelper.NormalizeGitDirectory(log, environment, gitDirectory, auth, noFetch, targetBranch, true);
-                    }
-
-                    return gitDirectory;
+                    CloneRepository(repositoryUrl, gitDirectory, auth);
                 }
-
-                CloneRepository(repositoryUrl, gitDirectory, auth);
-
-                using (log.IndentLog($"Normalizing git directory for branch '{targetBranch}'"))
+                else
                 {
-                    // Normalize (download branches) before using the branch
-                    GitRepositoryHelper.NormalizeGitDirectory(log, environment, gitDirectory, auth, noFetch, targetBranch, true);
+                    log.Info("Git repository already exists");
                 }
-
+                NormalizeGitDirectory(auth, targetBranch, gitDirectory, true);
                 return gitDirectory;
             }
         }
 
+        private void NormalizeGitDirectory(AuthenticationInfo auth, string targetBranch, string gitDirectory, bool isDynamicRepository)
+        {
+            using (log.IndentLog($"Normalizing git directory for branch '{targetBranch}'"))
+            {
+                // Normalize (download branches) before using the branch
+                GitRepositoryHelper.NormalizeGitDirectory(log, environment, gitDirectory, auth, arguments.NoFetch, targetBranch, isDynamicRepository);
+            }
+        }
+
         private void CloneRepository(string repositoryUrl, string gitDirectory, AuthenticationInfo auth)
         {
             Credentials credentials = null;

src/GitVersionCore/Helpers/GitRepositoryHelper.cs

@@ -10,8 +10,8 @@ namespace GitVersion.Helpers
     public static class GitRepositoryHelper
     {
         /// <summary>
-        /// Normalisation of a git directory turns all remote branches into local branches, turns pull request refs into a real branch and a few other things. This is designed to be run *only on the build server* which checks out repositories in different ways.
-        /// It is not recommended to run normalisation against a local repository
+        /// Normalization of a git directory turns all remote branches into local branches, turns pull request refs into a real branch and a few other things. This is designed to be run *only on the build server* which checks out repositories in different ways.
+        /// It is not recommended to run normalization against a local repository
         /// </summary>
         public static void NormalizeGitDirectory(ILog log, IEnvironment environment, string gitDirectory, AuthenticationInfo authentication,
             bool noFetch, string currentBranch, bool isDynamicRepository)
@@ -265,7 +265,7 @@ private static IEnumerable<DirectReference> GetRemoteTipsForAnonymousUser(Reposi
         private static void CreateOrUpdateLocalBranchesFromRemoteTrackingOnes(ILog log, Repository repo, string remoteName)
         {
             var prefix = $"refs/remotes/{remoteName}/";
-            var remoteHeadCanonicalName = $"{prefix}{"HEAD"}";
+            var remoteHeadCanonicalName = $"{prefix}HEAD";
 
             foreach (var remoteTrackingReference in repo.Refs.FromGlob(prefix + "*").Where(r => r.CanonicalName != remoteHeadCanonicalName))
             {
@@ -299,7 +299,7 @@ private static void CreateOrUpdateLocalBranchesFromRemoteTrackingOnes(ILog log,
             }
         }
 
-        public static Remote EnsureOnlyOneRemoteIsDefined(ILog log, IRepository repo)
+        private static Remote EnsureOnlyOneRemoteIsDefined(ILog log, IRepository repo)
         {
             var remotes = repo.Network.Remotes;
             var howMany = remotes.Count();