commit: Prefix error with target object name on failure to write

Helpful to debug things later.

Closes: #759
Approved by: jlebon

diff --git a/src/libostree/ostree-repo-commit.c b/src/libostree/ostree-repo-commit.c
index d02154f895ad8459d5f9a92b86fda24275d0ffde..3848a03c23286e467cc558708f45da5decb05ef5 100644 (file)
--- a/src/libostree/ostree-repo-commit.c
+++ b/src/libostree/ostree-repo-commit.c
@@ -344,6 +344,8 @@ commit_loose_object_trusted (OstreeRepo        *self,
   
   ret = TRUE;
  out:
+  if (G_UNLIKELY (error && *error))
+    g_prefix_error (error, "Writing object %s.%s: ", checksum, ostree_object_type_to_string (objtype));
   return ret;
 }