Adding warning messages in the event that branch operations cannot be completed

Author: StanleyGoldman

GitHub.Unity.sln.DotSettings

@@ -342,6 +342,7 @@
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EAlwaysTreatStructAsNotReorderableMigration/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EMigrateBlankLinesAroundFieldToBlankLinesAroundProperty/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EMigrateThisQualifierSettings/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EUnitTestFramework_002ESettings_002EMigrations_002ERemoveBuildPolicyAlwaysMigration/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/UnitTesting/ShadowCopy/@EntryValue">False</s:Boolean>
 	<s:String x:Key="/Default/Housekeeping/UnitTestingMru/UnitTestSessionDefault/PlatformType/@EntryValue">x64</s:String>
 	</wpf:ResourceDictionary>

src/GitHub.Api/Git/Repository.cs

@@ -249,6 +249,10 @@ private void RepositoryManager_OnLocalBranchRemoved(string name)
                 localBranches.Remove(name);
                 OnLocalBranchListChanged?.Invoke();
             }
+            else
+            {
+                Logger.Warning("Branch {0} is not found", name);
+            }
         }
 
         private void RepositoryManager_OnLocalBranchAdded(string name)
@@ -263,6 +267,10 @@ private void RepositoryManager_OnLocalBranchAdded(string name)
                 localBranches.Add(name, branch.Value);
                 OnLocalBranchListChanged?.Invoke();
             }
+            else
+            {
+                Logger.Warning("Branch {0} is already present", name);
+            }
         }
 
         private void RepositoryManager_OnLocalBranchUpdated(string name)
@@ -285,6 +293,14 @@ private void RepositoryManager_OnRemoteBranchAdded(string remote, string name)
                     branchList.Add(name, new ConfigBranch { Name = name, Remote = remotes[remote] });
                     OnRemoteBranchListChanged?.Invoke();
                 }
+                else
+                {
+                    Logger.Warning("Branch {0} is already present in Remote {1}", name, remote);
+                }
+            }
+            else
+            {
+                Logger.Warning("Remote {0} is not found", remote);
             }
         }
 
@@ -298,6 +314,14 @@ private void RepositoryManager_OnRemoteBranchRemoved(string remote, string name)
                     localBranches.Remove(name);
                     OnRemoteBranchListChanged?.Invoke();
                 }
+                else
+                {
+                    Logger.Warning("Branch {0} is not found in Remote {1}", name, remote);
+                }
+            }
+            else
+            {
+                Logger.Warning("Remote {0} is not found", remote);
             }
         }