[library-web] make it possible to update a stable module from git

[Frederic Peters <fpeters src gnome org>]

commit b521aba8d8836c4758743804808c4e92cf469d62
Author: Frédéric Péters <fpeters 0d be>
Date:   Tue Jan 28 11:57:40 2014 +0000

    make it possible to update a stable module from git

 src/lgo.py           |   38 ++++++++++++++++++++++++++++++++++++--
 src/modtypes/base.py |    2 ++
 2 files changed, 38 insertions(+), 2 deletions(-)
---
diff --git a/src/lgo.py b/src/lgo.py
index 6a7dcf2..e66c20a 100755
--- a/src/lgo.py
+++ b/src/lgo.py
@@ -22,6 +22,7 @@ import os
 import sys
 import re
 import tempfile
+import cgi
 import urllib2
 import urlparse
 from cStringIO import StringIO
@@ -268,9 +269,42 @@ class Lgo(App):
                     moduleset.seek(0)
                     self.process_latest_moduleset(moduleset)
 
-
     def download(self, url, use_cache=True):
-        if url.startswith('gnome://'):
+        if url.startswith('gnome+git://'):
+            parsed_url = urlparse.urlparse(url)
+            module_name = parsed_url.netloc
+            branch_name = cgi.parse_qs(parsed_url.query).get('branch')[0]
+            version_value = cgi.parse_qs(parsed_url.query).get('version')[0]
+
+            if not version_value.startswith('.'.join(branch_name.split('-')[1:])):
+                logging.debug('ignoring git for %s (version != branch)' % module_name)
+                return
+
+            fake_version_number = version_value
+
+            base_git_dir = os.path.join(self.config.download_cache_dir, 'git')
+            if not os.path.exists(base_git_dir):
+                os.mkdir(base_git_dir)
+            module_git_clone_dir = os.path.join(base_git_dir, module_name)
+            if os.path.exists(module_git_clone_dir):
+                logging.debug('running git pull in %s' % module_git_clone_dir)
+                subprocess.Popen(['git', 'pull'], cwd=module_git_clone_dir).wait()
+            else:
+                logging.debug('running git clone of %s' % module_name)
+                subprocess.Popen(['git', 'clone', 'git://git.gnome.org/%s' % module_name],
+                        cwd=base_git_dir).wait()
+            logging.debug('switching to branch %s' % branch_name)
+            subprocess.Popen(['git', 'checkout', '-b', branch_name, 'origin/%s' % branch_name],
+                    cwd=module_git_clone_dir).wait()
+            if subprocess.call(['git', 'show-ref', '--verify', '--quiet',
+                    'refs/heads/%s' % branch_name]) != 0:
+                logging.debug('branch do not exist, skipping')
+                return
+            filename = '%s-%s.tar.gz' % (module_name, fake_version_number)
+            subprocess.Popen(['tar', 'czf', filename, module_name],
+                    cwd=base_git_dir).wait()
+            return os.path.join(base_git_dir, filename)
+        elif url.startswith('gnome://'):
             # special schema for modules on ftp.gnome.org; URL scheme is
             # gnome://<modulename>?min=<minimum version>
             #   (the parameters are optional)
diff --git a/src/modtypes/base.py b/src/modtypes/base.py
index f805100..411602a 100644
--- a/src/modtypes/base.py
+++ b/src/modtypes/base.py
@@ -70,6 +70,8 @@ class DocModule(object):
         self.version = os.path.splitext(tar.name)[0].split('-')[-1]
         if self.version.endswith('.tar'):
             self.version = self.version[:-4]
+        if self.version.endswith('.999'):
+            self.version = self.version[:-4]
 
         if nightly or self.version == 'nightly':
             self.nightly = True