Add autoupdate.py

autoupdate.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import hashlib
+import os
+import subprocess
+import sys
+import urllib
+
+ISO_URL = 'http://www.templeos.org/TempleOSCD.ISO'
+FILE_NAME = 'TempleOSCD.iso'
+EXTRACTED_ISO_DIR = 'TempleOSCD'
+
+force = (len(sys.argv) > 1 and sys.argv[1] == '-f')
+
+def hash_of_file(path):
+    with open(path, 'rb') as f:
+        sha1 = hashlib.sha1()
+        while True:
+            data = f.read(0x10000)
+            if not data: break
+
+            sha1.update(data)
+
+        return sha1.hexdigest()
+
+if os.path.exists(FILE_NAME) and not force:
+    pre_hash = hash_of_file(FILE_NAME)
+else:
+    pre_hash = None
+
+print('-- Pre-hash:', pre_hash)
+
+print('-- Grabbing', ISO_URL)
+urllib.urlretrieve(ISO_URL, FILE_NAME)
+
+post_hash = hash_of_file(FILE_NAME)
+print('-- Post-hash:', post_hash)
+
+if pre_hash != post_hash:
+    print('-- Hashes differ - updating code!')
+    print()
+    print('---- Extracting', FILE_NAME)
+    subprocess.check_call(['./extract_templeos.py', FILE_NAME, EXTRACTED_ISO_DIR])
+
+    print('---- Adding to git')
+    subprocess.call(['git', 'add', '-A', EXTRACTED_ISO_DIR])
+
+    # Check if anything changed
+    if subprocess.call(['git', 'diff-index', '--quiet', 'HEAD', '--', EXTRACTED_ISO_DIR]) == 1:
+        print('---- Commit & push')
+        subprocess.check_call(['git', 'commit', '-m', 'Nightly update (ISO SHA-1 %s)' % post_hash[0:7]])
+        subprocess.check_call(['git', 'push', 'origin', 'master'])
+    else:
+        print('---- No changes in source tree')
+else:
+    print('-- No changes detected.')