--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/projects/determineversion.vbs	Sat Oct 06 21:16:00 2007 +0000
@@ -0,0 +1,129 @@
+Option Explicit
+
+Dim FSO
+Set FSO = CreateObject("Scripting.FileSystemObject")
+
+Sub FindReplaceInFile(filename, to_find, replacement)
+	Dim file, data
+	Set file = FSO.OpenTextFile(filename, 1, 0, 0)
+	data = file.ReadAll
+	file.Close
+	data = Replace(data, to_find, replacement)
+	Set file = FSO.CreateTextFile(FileName, -1, 0)
+	file.Write data
+	file.Close
+End Sub
+
+Sub UpdateFile(version, cur_date, filename)
+	FSO.CopyFile filename & ".in", filename
+	FindReplaceInFile filename, "@@VERSION@@", version
+	FindReplaceInFile filename, "@@DATE@@", cur_date
+End Sub
+
+Sub UpdateFiles(version)
+	Dim cur_date
+	cur_date = DatePart("D", Date) & "." & DatePart("M", Date) & "." & DatePart("YYYY", Date)
+	UpdateFile version, cur_date, "../src/rev.cpp"
+	UpdateFile version, cur_date, "../src/ottdres.rc"
+End Sub
+
+Function DetermineSVNVersion()
+	Dim WshShell, version, url, oExec
+	Set WshShell = CreateObject("WScript.Shell")
+	On Error Resume Next
+
+	' Try TortoiseSVN
+	' Get the directory where TortoiseSVN (should) reside(s)
+	Dim sTortoise
+	sTortoise = WshShell.RegRead("HKLM\SOFTWARE\TortoiseSVN\Directory")
+
+	Dim file
+	' Write some "magic" to a temporary file so we can acquire the svn revision/state
+	Set file = FSO.CreateTextFile("tsvn_tmp", -1, 0)
+	file.WriteLine "r$WCREV$$WCMODS?M:$"
+	file.WriteLine "$WCURL$"
+	file.Close
+	Set oExec = WshShell.Exec(sTortoise & "\bin\SubWCRev.exe ../src tsvn_tmp tsvn_tmp")
+	' Wait till the application is finished ...
+	Do
+		OExec.StdOut.ReadLine()
+	Loop While Not OExec.StdOut.atEndOfStream
+
+	Set file = FSO.OpenTextFile("tsvn_tmp", 1, 0, 0)
+	version = file.ReadLine
+	url = file.ReadLine
+	file.Close
+
+	Set file = FSO.GetFile("tsvn_tmp")
+	file.Delete
+
+	' Looks like there is no TortoiseSVN installed either. Then we don't know it.
+	If InStr(version, "$") Then
+		' Reset error and version
+		Err.Clear
+		version = "norev000"
+		' Do we have subversion installed? Check immediatelly whether we've got a modified WC.
+		Set oExec = WshShell.Exec("svnversion ../src")
+		If Err.Number = 0 Then
+			Dim modified
+			If InStr(OExec.StdOut.ReadLine(), "M") Then
+				modified = "M"
+			Else
+				modified = ""
+			End If
+
+			' Set the environment to english
+			WshShell.Environment("PROCESS")("LANG") = "en"
+
+			' And use svn info to get the correct revision and branch information.
+			Set oExec = WshShell.Exec("svn info ../src")
+			If Err.Number = 0 Then
+				Dim line
+				Do
+					line = OExec.StdOut.ReadLine()
+					If InStr(line, "URL") Then
+						url = line
+					End If
+					If InStr(line, "Last Changed Rev") Then
+						version = "r" & Mid(line, 19) & modified
+					End If
+				Loop While Not OExec.StdOut.atEndOfStream
+			End If
+		End If
+	End If
+
+	If version <> "norev000" Then
+		If InStr(url, "branches") Then
+			url = Mid(url, InStr(url, "branches") + 8)
+			url = Mid(url, 1, InStr(2, url, "/") - 1)
+			version = version & Replace(url, "/", "-")
+		End If
+	End If
+
+	DetermineSVNVersion = version
+End Function
+
+Function IsCachedVersion(version)
+	Dim cache_file, cached_version
+	cached_version = ""
+	Set cache_file = FSO.OpenTextFile("../config.cache.version", 1, True, 0)
+	If Not cache_file.atEndOfStream Then
+		cached_version = cache_file.ReadLine()
+	End If
+	cache_file.Close
+
+	If version <> cached_version Then
+		Set cache_file = fso.CreateTextFile("../config.cache.version", True)
+		cache_file.WriteLine(version)
+		cache_file.Close
+		IsCachedVersion = False
+	Else
+		IsCachedVersion = True
+	End If
+End Function
+
+Dim version
+version = DetermineSVNVersion
+If Not (IsCachedVersion(version) And FSO.FileExists("../src/rev.cpp") And FSO.FileExists("../src/ottdres.rc")) Then
+	UpdateFiles version
+End If