From 6e438005b05747f2656209318c7f4fa0c77ad323 Mon Sep 17 00:00:00 2001
From: niksedk <nikse.dk@gmail.com>
Date: Thu, 27 Aug 2015 22:41:16 +0200
Subject: [PATCH] Making version maintaining easier (only update in
 SubtitleEdit AssemblyInfo.cs - libse auto updated)

---
 build_helpers.bat                         |   4 +-
 libse/LibSE.csproj                        |   5 +
 libse/Properties/AssemblyInfo.cs          |  35 ----
 libse/Properties/AssemblyInfo.cs.template |  15 ++
 libse/Utilities.cs                        |  17 +-
 src/UpdateAssemblyInfo/Program.cs         | 210 +++++++++++++++-------
 6 files changed, 175 insertions(+), 111 deletions(-)
 delete mode 100644 libse/Properties/AssemblyInfo.cs
 create mode 100644 libse/Properties/AssemblyInfo.cs.template

diff --git a/build_helpers.bat b/build_helpers.bat
index b9adb1d84..dc259950e 100644
--- a/build_helpers.bat
+++ b/build_helpers.bat
@@ -38,9 +38,9 @@ IF NOT EXIST "src\UpdateAssemblyInfo\bin\Release\UpdateAssemblyInfo.exe" IF NOT
 )
 
 IF EXIST "src\UpdateAssemblyInfo\bin\Release\UpdateAssemblyInfo.exe" (
-  "src\UpdateAssemblyInfo\bin\Release\UpdateAssemblyInfo.exe" "src\Properties\AssemblyInfo.cs.template" "src\Properties\AssemblyInfo.cs"
+  "src\UpdateAssemblyInfo\bin\Release\UpdateAssemblyInfo.exe" "src\Properties\AssemblyInfo.cs.template" "libse\Properties\AssemblyInfo.cs.template"
 ) ELSE (
-  "src\UpdateAssemblyInfo\bin\Debug\UpdateAssemblyInfo.exe" "src\Properties\AssemblyInfo.cs.template" "src\Properties\AssemblyInfo.cs"
+  "src\UpdateAssemblyInfo\bin\Debug\UpdateAssemblyInfo.exe" "src\Properties\AssemblyInfo.cs.template" "libse\Properties\AssemblyInfo.cs.template"
 )
 
 IF %ERRORLEVEL% NEQ 0 (
diff --git a/libse/LibSE.csproj b/libse/LibSE.csproj
index d6a9a57cf..7fe4ee062 100644
--- a/libse/LibSE.csproj
+++ b/libse/LibSE.csproj
@@ -437,6 +437,11 @@
     <Compile Include="ZipExtractor.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <PropertyGroup>
+    <PreBuildEvent>IF NOT EXIST "$(ProjectDir)Properties\AssemblyInfo.cs" (
+  COPY "$(ProjectDir)Properties\AssemblyInfo.cs.template" "$(ProjectDir)Properties\AssemblyInfo.cs"
+)</PreBuildEvent>
+  </PropertyGroup>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/libse/Properties/AssemblyInfo.cs b/libse/Properties/AssemblyInfo.cs
deleted file mode 100644
index f46e548b3..000000000
--- a/libse/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,35 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-
-// General Information about an assembly is controlled through the following 
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("libse")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
-[assembly: AssemblyProduct("libse")]
-[assembly: AssemblyCopyright("Copyright ©  2015")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("eab3b9db-0f82-4843-982b-05a4c51888a2")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/libse/Properties/AssemblyInfo.cs.template b/libse/Properties/AssemblyInfo.cs.template
new file mode 100644
index 000000000..54a06bfc7
--- /dev/null
+++ b/libse/Properties/AssemblyInfo.cs.template
@@ -0,0 +1,15 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+[assembly: AssemblyTitle("libse")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("libse")]
+[assembly: AssemblyCopyright("Copyright ©  2015")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: ComVisible(false)]
+[assembly: Guid("eab3b9db-0f82-4843-982b-05a4c51888a2")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
\ No newline at end of file
diff --git a/libse/Utilities.cs b/libse/Utilities.cs
index d04c8e545..ced89c69b 100644
--- a/libse/Utilities.cs
+++ b/libse/Utilities.cs
@@ -1547,7 +1547,7 @@ namespace Nikse.SubtitleEdit.Core
         {
             get
             {
-                return Assembly.GetExecutingAssembly().GetName().Version.ToString();
+                return Assembly.GetEntryAssembly().GetName().Version.ToString();
             }
         }
 
@@ -1555,15 +1555,14 @@ namespace Nikse.SubtitleEdit.Core
         {
             get
             {
-                Assembly assy = Assembly.GetExecutingAssembly();
-                String assyName = assy.GetName().Name;
-                bool isdef = Attribute.IsDefined(assy, typeof(AssemblyDescriptionAttribute));
-                if (isdef)
+                var assembly = Assembly.GetEntryAssembly();
+                string assemblyName = assembly.GetName().Name;
+                if (Attribute.IsDefined(assembly, typeof(AssemblyDescriptionAttribute)))
                 {
-                    Console.WriteLine(assyName);
-                    var adAttr = (AssemblyDescriptionAttribute)Attribute.GetCustomAttribute(assy, typeof(AssemblyDescriptionAttribute));
-                    if (adAttr != null)
-                        return adAttr.Description;
+                    Console.WriteLine(assemblyName);
+                    var descriptionAttribute = (AssemblyDescriptionAttribute)Attribute.GetCustomAttribute(assembly, typeof(AssemblyDescriptionAttribute));
+                    if (descriptionAttribute != null)
+                        return descriptionAttribute.Description;
                 }
                 return null;
             }
diff --git a/src/UpdateAssemblyInfo/Program.cs b/src/UpdateAssemblyInfo/Program.cs
index fe6b00f94..923217873 100644
--- a/src/UpdateAssemblyInfo/Program.cs
+++ b/src/UpdateAssemblyInfo/Program.cs
@@ -7,95 +7,170 @@ namespace UpdateAssemblyInfo
     internal class Program
     {
 
-        private class Template
+        private class VersionInfo
         {
-            private string templateFile;
-            private string templateText;
+            public string Version { get; set; }
+            public string RevisionGuid { get; set; }
+            public string BuildNumber { get; set; }
+        }      
 
-            public Template(string path)
+        private static void UpdateAssemblyInfo(string templateFileName, VersionInfo versionInfo)
+        {
+            var lines = File.ReadAllLines(templateFileName);
+            var sb = new StringBuilder();
+            bool change = false;
+            foreach (var line in lines)
             {
-                templateFile = path;
-            }
-
-            public void Replace(string source, string replacement)
-            {
-                if (templateText == null)
+                var original = line;
+                var l = line.Trim();
+                while (l.Contains("  "))
                 {
-                    templateText = File.ReadAllText(templateFile);
+                    l = l.Replace("  ", " ");
                 }
-                templateText = templateText.Replace(source, replacement);
+                if (l.StartsWith("[assembly: AssemblyVersion", StringComparison.Ordinal) ||
+                    l.StartsWith("[assembly:AssemblyVersion", StringComparison.Ordinal) ||
+                    l.StartsWith("[assembly: AssemblyFileVersion", StringComparison.Ordinal) ||
+                    l.StartsWith("[assembly:AssemblyFileVersion", StringComparison.Ordinal))
+                {
+                    int begin = original.IndexOf('"');
+                    int end = original.LastIndexOf('"');
+                    if (end > begin && begin > 0)
+                    {
+                        begin++;
+                        string oldVersion = original.Substring(begin, end - begin);
+                        if (oldVersion != versionInfo.Version)
+                        {
+                            change = true;
+                            original = original.Substring(0, begin) + versionInfo.Version + original.Remove(0, end);
+                        }
+                    }
+                } 
+                else if (l.StartsWith("[assembly: AssemblyDescription", StringComparison.Ordinal) ||
+                     l.StartsWith("[assembly:AssemblyDescription", StringComparison.Ordinal))
+                {
+                    int begin = original.IndexOf('"');
+                    int end = original.LastIndexOf('"');
+                    if (end > begin && begin > 0)
+                    {
+                        begin++;
+                        string oldVersion = original.Substring(begin, end - begin);
+                        if (oldVersion != versionInfo.Version)
+                        {
+                            change = true;
+                            original = original.Substring(0, begin) + versionInfo.RevisionGuid + original.Remove(0, end);
+                        }
+                    }
+                }
+                sb.AppendLine(original);
             }
-
-            public void Save(string target)
+            if (change)
             {
-                File.WriteAllText(target, templateText, Encoding.UTF8);
+                File.WriteAllText(templateFileName.Replace(".template", string.Empty), sb.ToString().Trim());
             }
         }
 
+        private static VersionInfo GetOldVersionNumber(string subtitleEditTemplateFileName)
+        {
+            var version = new VersionInfo { Version = "1.0.0.0", RevisionGuid = "0" };
+            var lines = File.ReadAllLines(subtitleEditTemplateFileName.Replace(".template", string.Empty));
+            foreach (var line in lines)
+            {
+                var l = line.Trim();
+                while (l.Contains("  "))
+                {
+                    l = l.Replace("  ", " ");
+                }
+                if (l.StartsWith("[assembly: AssemblyVersion", StringComparison.Ordinal) ||
+                    l.StartsWith("[assembly:AssemblyVersion", StringComparison.Ordinal) ||
+                    l.StartsWith("[assembly: AssemblyFileVersion", StringComparison.Ordinal) ||
+                    l.StartsWith("[assembly:AssemblyFileVersion", StringComparison.Ordinal))
+                {
+                    int begin = l.IndexOf('"');
+                    int end = l.LastIndexOf('"');
+                    if (end > begin && begin > 0)
+                    {
+                        begin++;
+                        version.Version = l.Substring(begin, end - begin);
+                        version.BuildNumber = version.Version.Substring(version.Version.LastIndexOf('.') + 1);
+                    }
+                }
+                else if (l.StartsWith("[assembly: AssemblyDescription", StringComparison.Ordinal) ||
+                    l.StartsWith("[assembly:AssemblyDescription", StringComparison.Ordinal))
+                {
+                    int begin = l.IndexOf("\"", StringComparison.Ordinal);
+                    int end = l.LastIndexOf("\"", StringComparison.Ordinal);
+                    if (end > begin && begin > 0)
+                    {
+                        begin++;
+                        version.RevisionGuid = l.Substring(begin, end - begin); 
+                    }
+                }
+            }
+            if (string.IsNullOrWhiteSpace(version.Version))
+            {
+                Console.WriteLine("WARNING: Could not find version number - will use 1.0.0");
+            }
+            return version; 
+        }
+
+        private static VersionInfo GetNewVersion()
+        {
+            var version = new VersionInfo { Version = "1.0.0.0", RevisionGuid = "0", BuildNumber = "9999" };
+            var workingFolder = Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location);
+            var clrHash = new CommandLineRunner();
+            var clrTags = new CommandLineRunner();
+            var gitPath = GetGitPath();
+            if (clrHash.RunCommandAndGetOutput(gitPath, "rev-parse --verify HEAD", workingFolder) && clrTags.RunCommandAndGetOutput(gitPath, "describe --tags", workingFolder))
+            {
+                version.RevisionGuid = clrHash.Result;
+
+                version.Version = clrTags.Result.Substring(0, clrTags.Result.LastIndexOf('-'));
+                version.Version = version.Version.Replace("-", ".");
+
+                version.BuildNumber = version.Version.Remove(0, version.Version.LastIndexOf('.')).Trim('.');
+            }
+            if (version.RevisionGuid == "0" && version.BuildNumber == "9999")
+            {
+                Console.WriteLine("WARNING: Could not run Git - build number will be 9999!");
+            }
+            return version;
+        }
+
         private static int Main(string[] args)
         {
             var myName = Environment.GetCommandLineArgs()[0];
-            myName = Path.GetFileNameWithoutExtension(string.IsNullOrWhiteSpace(myName)
-                   ? System.Reflection.Assembly.GetEntryAssembly().Location
-                   : myName);
-
+            myName = Path.GetFileNameWithoutExtension(string.IsNullOrWhiteSpace(myName) ? System.Reflection.Assembly.GetEntryAssembly().Location : myName);
             if (args.Length != 2)
             {
-                Console.Write("Usage: " + myName + @" <template> <target>
-  <template> Path to the template file with [GITHASH] and [REVNO]
-  <target>   Path to the target file (AssemblyInfo.cs)
-");
+                Console.WriteLine("Usage: " + myName + " <se-assmbly-template> <libse-assmbly-template>");
                 return 1;
             }
 
-            Console.WriteLine("Updating assembly info...");
-            var workingFolder = Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location);
-            var templateFile = args[0];
-            var targetFile = args[1];
-            var template = new Template(templateFile);
+            try
+            {
+                var seTemplateFileName = Environment.GetCommandLineArgs()[1];
+                var libSeTmplateFileName = Environment.GetCommandLineArgs()[2];
+                Console.Write("Updating version number... ");
+                var oldSeVersion = GetOldVersionNumber(seTemplateFileName);
+                var oldLibSeVersion = GetOldVersionNumber(libSeTmplateFileName);
+                var newVersion = GetNewVersion();
 
-            var clrHash = new CommandLineRunner();
-            var clrTags = new CommandLineRunner();
-            var gitPath = GetGitPath();
-            string exceptionMessage;
-            if (clrHash.RunCommandAndGetOutput(gitPath, "rev-parse --verify HEAD", workingFolder) &&
-                clrTags.RunCommandAndGetOutput(gitPath, "describe --tags", workingFolder))
-            {
-                try
+                if (oldSeVersion.RevisionGuid != newVersion.RevisionGuid || oldSeVersion.Version != newVersion.Version ||
+                    oldLibSeVersion.RevisionGuid != newVersion.RevisionGuid || oldLibSeVersion.Version != newVersion.Version)
                 {
-                    template.Replace("[GITHASH]", clrHash.Result);
-                    if (clrTags.Result.IndexOf('-') < 0)
-                        clrTags.Result += "-0";
-                    template.Replace("[REVNO]", clrTags.Result.Split('-')[1]);
-                    template.Save(targetFile);
+                    Console.WriteLine("updating version number to " + newVersion.Version + " " + newVersion.RevisionGuid);
+                    UpdateAssemblyInfo(seTemplateFileName, newVersion);
+                    UpdateAssemblyInfo(libSeTmplateFileName, newVersion);
                     return 0;
                 }
-                catch (Exception ex)
-                {
-                    exceptionMessage = ex.Message;
-                }
+                Console.WriteLine("no changes");
+                return 0;
             }
-            else
+            catch (Exception exception)
             {
-                try
-                {
-                    // allow to compile without git
-                    Console.WriteLine("WARNING: Could not run Git - build number will be 9999!");
-                    template.Replace("[GITHASH]", string.Empty);
-                    template.Replace("[REVNO]", "9999");
-                    template.Save(targetFile);
-                    return 0;
-                }
-                catch (Exception ex)
-                {
-                    exceptionMessage = ex.Message;
-                }
+                Console.WriteLine("Something bad happened when running " + myName + ": " + exception.Message + Environment.NewLine + exception.StackTrace);
+                return 0;
             }
-            Console.WriteLine(myName + ": Could not update AssemblyInfo: " + exceptionMessage);
-            Console.WriteLine(" - Git folder: " + workingFolder);
-            Console.WriteLine(" - Template: " + templateFile);
-            Console.WriteLine(" - Target: " + targetFile);
-            return 1;
         }
 
         private static string GetGitPath()
@@ -130,6 +205,10 @@ namespace UpdateAssemblyInfo
             }
 
             var envSystemDrive = Environment.GetEnvironmentVariable("SystemDrive");
+            if (string.IsNullOrEmpty(envSystemDrive))
+            {
+                throw new Exception("Environment.GetEnvironmentVariable('SystemDrive') returned null!");
+            }
             if (!string.IsNullOrWhiteSpace(envSystemDrive))
             {
                 var path = Path.Combine(envSystemDrive, "Program Files", gitPath);
@@ -163,8 +242,9 @@ namespace UpdateAssemblyInfo
                         return path;
                 }
             }
-            catch
+            catch (Exception exception)
             {
+                throw new Exception("UpdateAssemblyInfo - GetGitPath: " + exception.Message);
             }
 
             Console.WriteLine("WARNING: Might not be able to run Git command line tool!");