Tweak some build stuff for versioning

.gitignore

@@ -2,6 +2,7 @@
 /minecraft_server
 /mods
 /fmlbuild.properties
+/fmlversion.properties
 /difflist.txt
 /.metadata/
 /eclipse/.metadata/

fmlversion.properties

@@ -1,7 +0,0 @@
-#Thu, 10 May 2012 09:42:10 -0400
-
-fmlbuild.major.number=2
-fmlbuild.minor.number=0
-fmlbuild.revision.number=0
-fmlbuild.build.number=1
-fmlbuild.mcversion=1.2.5

getversion.py

@@ -0,0 +1,45 @@
+import sys
+import os
+import commands
+import fnmatch
+import re
+import subprocess, shlex
+
+def cmdsplit(args):
+    if os.sep == '\\':
+        args = args.replace('\\', '\\\\')
+    return shlex.split(args)
+                    
+def cleanDirs(path):
+    if not os.path.isdir(path):
+        return
+ 
+    files = os.listdir(path)
+    if len(files):
+        for f in files:
+            fullpath = os.path.join(path, f)
+            if os.path.isdir(fullpath):
+                cleanDirs(fullpath)
+ 
+    files = os.listdir(path)
+    if len(files) == 0:
+        os.rmdir(path)
+        
+def main():
+    print("Obtaining version information from git")
+    cmd = "git describe --long"
+    try:
+      process = subprocess.Popen(cmdsplit(cmd), stdout=subprocess.PIPE, stderr=subprocess.STDOUT, bufsize=-1)
+      vers, _ = process.communicate()
+    except OSError:
+      print("Git not found")
+      vers="v1.0-0-deadbeef"
+    (major,minor,rev,githash)=re.match("v(\d+).(\d+)-(\d+)-(.*)",vers).groups()
+    with open("fmlversion.properties","w") as f:
+      f.write("%s=%s\n" %("fmlbuild.major.number",major))
+      f.write("%s=%s\n" %("fmlbuild.minor.number",minor))
+      f.write("%s=%s\n" %("fmlbuild.revision.number",rev))
+      f.write("%s=%s\n" %("fmlbuild.githash",githash))
+    
+if __name__ == '__main__':
+    main()