Index: trac-pre-commit-hook
===================================================================
--- trac-pre-commit-hook	(Revision 1029)
+++ trac-pre-commit-hook	(Arbeitskopie)
@@ -9,12 +9,41 @@
 #
 # This script should be invoked from the subversion pre-commit hook like this:
 #
+# LINUX:
+#
 #  REPOS="$1"
 #  TXN="$2"
 #  TRAC_ENV="/somewhere/trac/project/"
 #  LOG=`/usr/bin/svnlook log -t "$TXN" "$REPOS"`
 #  /usr/bin/python /some/path/trac-pre-commit-hook "$TRAC_ENV" "$LOG" || exit 1
 #
+# WINDOWS: sample of pre-commit.bat (must use temporary files for the log message)
+#
+##SET REPOS=%1
+##SET TXN=%2
+##
+##::-----------------------------
+##::Call the TRAC pre-commit hook
+##::
+##SET TRAC_ENV=C:\somewhere\trac\project
+##SET LOG_FILE=%TEMP%.\svnfileT-%TXN%
+##
+##svnlook log -t %TXN% %REPOS%>%LOG_FILE%
+##
+##python [trac-path]\contrib\trac-pre-commit-hook "%TRAC_ENV%" "file:%LOG_FILE%"
+##IF ERRORLEVEL 1 SET TRAC_CANCEL=YES
+##DEL %LOG_FILE%
+##IF DEFINED TRAC_CANCEL GOTO :ERROR
+##::
+##::-----------------------------
+##
+##:SUCCESS
+##EXIT 0
+##
+##:ERROR
+##EXIT 1 
+##
+
 import os
 import re
 import sys
@@ -27,6 +56,7 @@
 
     env_path = sys.argv[1]
     log = sys.argv[2]
+    log = _readFromFile( log )
 
     tickets = []
     for tmp in re.findall('(?:closes|fixes|addresses|references|refs|re)'
@@ -53,6 +83,20 @@
     else:
         sys.exit(0)
 
+def _readFromFile(message):
+    """ Ivan Melnychuk: SOLUTION FOR WINDOWS SYSTEMS:
+    Windows does not support returning values from script.
+    Therefore temporary files may be used to keep some information like commit message
+    If the 'message' starts with 'file:', and the file with indicated name exists, then read the text message from the file rather then using the text directly
+    Even though actual message also may start with such prefix, it is very unlikely that the file exists with such a name by accident
+    """
+    if message[:5] == 'file:' and os.path.exists( message[5:] ):
+        f = open( message[5:], 'r' )
+        message = f.read()
+        f.close()
+        return message
+    return message;
+
 if __name__ == '__main__':
     main()