--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backup-trac-project	Fri Mar 19 21:40:29 2010 +0100
@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+
+# The MIT License
+#
+# Copyright (c) 2010 Louis Opter <kalessin@kalessin.fr>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+import errno
+import os
+import shutil
+import subprocess
+import sys
+import tarfile
+import tempfile
+
+class TempDir(object):
+    """Wrap tempfile.mkdtemp to use the with statement"""
+
+    def __init__(self):
+        pass
+
+    def __enter__(self):
+        self.__path = tempfile.mkdtemp()
+        return self.__path
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        shutil.rmtree(self.__path)
+
+def status(message):
+    print '%s: %s.' % (os.path.basename(sys.argv[0]), message)
+
+def die(message):
+    status(message)
+    status('a log has been recorded in %s' % log_path)
+    sys.exit(1)
+
+def hotcopy_repo():
+    """Use trac-admin to hotcopy the trac environnement into `root'"""
+
+    dest = os.path.join(root, name)
+    if subprocess.call(['sudo', 'trac-admin', trac_env_root, 'hotcopy', dest],
+                       stdout=log, stderr=log) != 0:
+        die('error while copying the Trac environnement into a temporary directory')
+
+    subprocess.call(['sudo', 'chown', '-R', 'ubuntu:ubuntu', dest])
+
+    status('Trac environnement copied')
+
+def archive_repo():
+    """Create a tar bzipped archive of the trac environnement"""
+
+    try:
+        archive = tarfile.open(os.path.join(root, archive_name), 'w:bz2')
+        archive.add(os.path.join(root, name), 'backup-tracenv-%s' % name)
+        archive.close()
+    except tarfile.TarError, ex:
+        die('Can\'t create the tar archive %s: %s' % (archive_name, str(ex)))
+
+    status('Archive %s created' % archive_name)
+
+def send_repo():
+    """Send the tar to archive using scp"""
+
+    dest = sys.argv[2]
+    archive = os.path.join(root, archive_name)
+    if subprocess.call(['scp', archive, dest]) != 0:
+        die('error while scpying %s to %s' % (archive_name, dest))
+
+    status('Archive %s copied to "%s"' % (archive_name, dest))
+
+if __name__ == '__main__':
+    if len(sys.argv) != 3 or sys.argv[1] == '--help':
+        print 'Usage: %s project-name [[user@]host:]path' % os.path.basename(sys.argv[0])
+        sys.exit(0)
+
+    # globals
+    name = sys.argv[1]
+    archive_name = 'backup-tracenv-%s.tar.bz2' % name
+    log_path = os.path.join(os.getenv('TMP') or '/tmp/', name + '.log')
+    trac_env_root = os.path.join('/var/trac/envs/', name)
+
+    if not os.path.exists(trac_env_root):
+        status('%s: %s' % (name, os.strerror(errno.ENOENT)))
+        sys.exit(1)
+
+    with open(log_path, 'w') as log:
+        with TempDir() as root:
+            status('root=%s' % root)
+            hotcopy_repo()
+            archive_repo()
+            send_repo()
+    os.remove(log_path)
+
+    sys.exit(0)