re-worked release workflow, it is one-step and creates GPG signatures now

devscripts/gh-pages/add-version.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+import json
+import sys
+import hashlib
+import urllib.request
+
+if len(sys.argv) <= 1:
+	print('Specify the version number as parameter')
+	sys.exit()
+version = sys.argv[1]
+
+with open('update/LATEST_VERSION', 'w') as f:
+	f.write(version)
+
+versions_info = json.load(open('update/versions.json'))
+if 'signature' in versions_info:
+	del versions_info['signature']
+
+new_version = {}
+
+filenames = {'bin': 'youtube-dl', 'exe': 'youtube-dl.exe', 'tar': 'youtube-dl-%s.tar.gz' % version}
+for key, filename in filenames.items():
+	print('Downloading and checksumming %s...' %filename)
+	url = 'http://youtube-dl.org/downloads/%s/%s' % (version, filename)
+	data = urllib.request.urlopen(url).read()
+	sha256sum = hashlib.sha256(data).hexdigest()
+	new_version[key] = (url, sha256sum)
+
+versions_info['versions'][version] = new_version
+versions_info['latest'] = version
+
+json.dump(versions_info, open('update/versions.json', 'w'), indent=4, sort_keys=True)