From 2c972c45ca8abd783fb0a06a7e769ecac8c2f852 Mon Sep 17 00:00:00 2001
From: Mathias Klette <mathias.klette@profitbricks.com>
Date: Mon, 2 Jan 2012 23:48:23 +0100
Subject: [PATCH] OFFICE-797: adding submodule handling

---
 debian_build.py   |  7 +++++++
 lib/git_helper.py | 48 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+)

diff --git a/debian_build.py b/debian_build.py
index 5e6e261..f042b00 100755
--- a/debian_build.py
+++ b/debian_build.py
@@ -269,6 +269,13 @@ if __name__ == '__main__':
         logger_loud_error('git checkout %s was not successfull' % GIT_UPSTREAM_BRANCH)
         exit_error()
 
+    # now let's update submodules
+    if git_helper.git_checkout_submodule():
+        logger.info('git submodule completed')
+    else:
+        logger_loud_error('git submodule failed')
+        exit_error()
+
     # we need to make sure our jenkins config is used, so let's delete any 
     # other config available in repository that might be prefered 
     cleanup_files = ('.gbp.conf', 'debian/gbp.conf', '.git/gbp.conf')
diff --git a/lib/git_helper.py b/lib/git_helper.py
index f6020b5..fb3d74e 100644
--- a/lib/git_helper.py
+++ b/lib/git_helper.py
@@ -151,6 +151,54 @@ def git_checkout_branch(branch_name):
     )
     return True
 
+def git_checkout_submodule():
+    """
+    Initialize and update any submodules which are used in the repository.
+    Git wont throw any errors when no submodules are used, so we can do it 
+    every time.
+    """
+    cmd = [GIT, 'submodule', 'init']
+    cmdobj = subprocess.Popen(
+            cmd,
+            shell=False,
+            close_fds=True,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            env={'':''},
+            cwd=os.getcwd()
+    )
+    ret = cmdobj.wait()
+    out = cmdobj.stdout.read()
+    msg = '%s returned %s: ' % (' '.join(cmd), ret, out)
+
+    if ret:
+        logger.error(msg)
+        return False
+    else:
+        logger.info(msg)
+
+    cmd = [GIT, 'submodule', 'update']
+    cmdobj = subprocess.Popen(
+            cmd,
+            shell=False,
+            close_fds=True,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            env={'':''},
+            cwd=os.getcwd()
+    )
+    ret = cmdobj.wait()
+    out = cmdobj.stdout.read()
+    msg = '%s returned %s: ' % (' '.join(cmd), ret, out)
+
+    if ret:
+        logger.error(msg)
+        return False
+    else:
+        logger.info(msg)
+
+    return True
+
 def git_repo_has_branch(name):
     r = git.repo.Repo()
     for branch in r.branches:
-- 
2.39.5