Commits

Gregory Szorc committed 5a688ad

Verify tree and parent objects are in Git repo

When exporting Git commits, verify that the tree and parents objects
exist in the repository before allowing the commit to be exported. If a
tree or parent commit is missing, then the repository is not valid and
the export should not be allowed.

Comments (0)

Files changed (1)

hggit/git_handler.py

             hgsha = hex(parent.node())
             git_sha = self.map_git_get(hgsha)
             if git_sha:
+                if git_sha not in self.git.object_store:
+                    raise hgutil.Abort(_('Parent SHA-1 not present in Git'
+                                         'repo: %s' % git_sha))
+
                 commit.parents.append(git_sha)
 
         commit.message = self.get_git_message(ctx)
             commit.encoding = extra['encoding']
 
         tree_sha = commit_tree(self.git.object_store, self.iterblobs(ctx))
+        if tree_sha not in self.git.object_store:
+            raise hgutil.Abort(_('Tree SHA-1 not present in Git repo: %s' %
+                tree_sha))
+
         commit.tree = tree_sha
 
         self.git.object_store.add_object(commit)