Update `mk_pkgs_list` function.

Now returns the path to the file that contains the list of packages.

* gd_diff.py (mk_pkgs_list): New function.
* tests/test_gd_diff.py (test_mk_pkgs_list): Update test.

1 files changed, 1 insertions, 0 deletions

diff --git a/gd_diff.py b/gd_diff.py
index d25415b..f683a24 100644
--- a/gd_diff.py
+++ b/gd_diff.py
@@ -265,6 +265,7 @@ def mk_pkgs_list(release):
     pkgs_file = os.path.join(pkgs_dir(), release)
     write_file(pkgs_file, pkgs)
 
+    return pkgs_file
 
 def readmes_dir(release):
     """Return readmes directory for `release`.