From 2353ab77c134743873a34455e29c610295af2dd7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org>
Date: Fri, 18 Mar 2011 12:14:40 +0100
Subject: [PATCH] git-buildpackage: submodule support for dump_tree

Heavily based on work by Sean Finney and Chow Loong Jin
---
 git-buildpackage | 39 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

diff --git a/git-buildpackage b/git-buildpackage
index d9bdfdf..1a8c222 100755
--- a/git-buildpackage
+++ b/git-buildpackage
@@ -74,13 +74,46 @@ def git_archive(cp, output_dir, treeish, comp_type, comp_level):
     return git_archive_pipe(prefix, pipe, output, treeish)
 
 
-def dump_tree(export_dir, treeish):
+def dump_tree(repo, export_dir, treeish):
     "dump a tree to output_dir"
     output_dir = os.path.dirname(export_dir)
     prefix = os.path.basename(export_dir)
+
     pipe = pipes.Template()
+    pipe.prepend('git archive --format=tar --prefix=%s/ %s' % (prefix, treeish), '.-')
     pipe.append('tar -C %s -xf -' % output_dir,  '-.')
-    return git_archive_pipe(prefix, pipe, '', treeish)
+    top = os.path.abspath(os.path.curdir)
+    try:
+        ret = pipe.copy('', '')
+        if ret:
+            raise GbpError, "Error in dump_tree archive pipe"
+
+        if repo.has_submodules():
+            repo.update_submodules()
+        for (subdir, commit) in repo.get_submodules(treeish):
+            gbp.log.info("Processing submodule  %s (%s)" % (subdir, commit[0:8]))
+            tarpath = [subdir, subdir[2:]][subdir.startswith("./")]
+            os.chdir(subdir)
+            pipe = pipes.Template()
+            pipe.prepend('git archive --format=tar --prefix=%s/%s/ %s' %
+                         (prefix, tarpath, commit), '.-')
+            pipe.append('tar -C %s -xf -' % output_dir,  '-.')
+            ret = pipe.copy('', '')
+            os.chdir(top)
+            if ret:
+                 raise GbpError, "Error in dump_tree archive pipe in submodule %s" % subdir
+    except OSError, err:
+        gbp.log.err("Error dumping tree to %s: %s" % (output_dir, err[0]))
+        return False
+    except GbpError, err:
+        gbp.log.err(err)
+        return False
+    except Exception as e:
+        gbp.log.err("Error dumping tree to %s: %s" % (output_dir, e))
+        return False
+    finally:
+        os.chdir(top)
+    return True
 
 
 def move_old_export(target):
@@ -398,7 +431,7 @@ def main(argv):
                     extract_orig(os.path.join(output_dir, du.orig_file(cp, options.comp_type)), tmp_dir)
 
                 gbp.log.info("Exporting '%s' to '%s'" % (options.export, tmp_dir))
-                dump_tree(tmp_dir, tree)
+                dump_tree(repo, tmp_dir, tree)
                 cp = du.parse_changelog(filename=os.path.join(tmp_dir, 'debian', 'changelog'))
                 export_dir = os.path.join(output_dir, "%s-%s" % (cp['Source'], major))
                 gbp.log.info("Moving '%s' to '%s'" % (tmp_dir, export_dir))
-- 
2.7.4