Add a script to initialize Git repositories

Introduce a script that creates one repository for each package base in
the database.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

scripts/git-integration/init-repos.py

@@ -0,0 +1,51 @@
+#!/usr/bin/python3
+
+import configparser
+import mysql.connector
+import os
+import pygit2
+import re
+import shlex
+import sys
+
+config = configparser.RawConfigParser()
+config.read(os.path.dirname(os.path.realpath(__file__)) + "/../../conf/config")
+
+aur_db_host = config.get('database', 'host')
+aur_db_name = config.get('database', 'name')
+aur_db_user = config.get('database', 'user')
+aur_db_pass = config.get('database', 'password')
+aur_db_socket = config.get('database', 'socket')
+
+repo_base_path = config.get('serve', 'repo-base')
+repo_regex = config.get('serve', 'repo-regex')
+git_update_hook = config.get('serve', 'git-update-hook')
+
+def die(msg):
+    sys.stderr.write("%s\n" % (msg))
+    exit(1)
+
+db = mysql.connector.connect(host=aur_db_host, user=aur_db_user,
+                             passwd=aur_db_pass, db=aur_db_name,
+                             unix_socket=aur_db_socket)
+cur = db.cursor()
+
+cur.execute("SELECT Name FROM PackageBases")
+repos = [row[0] for row in cur]
+db.close()
+
+for repo in repos:
+    if not re.match(repo_regex, repo):
+        die('invalid repository name: %s' % (repo))
+
+i = 1
+n = len(repos)
+
+for repo in repos:
+    print("[%s/%d] %s" % (str(i).rjust(len(str(n))), n, repo))
+
+    repo_path = repo_base_path + '/' + repo + '.git/'
+    pygit2.init_repository(repo_path, True)
+    os.symlink(git_update_hook, repo_path + 'hooks/update')
+
+    i += 1