user.eclass: add some debugging logic

Things are failing when they shouldn't.  Add some debug logic when
they do so we can try & recover.

BUG=chromium:1026502
TEST=CQ passes

Change-Id: I423a719af111c43120f81f7ca97c32ab504f52ff
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/1925712
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
1 file changed
tree: 8d4ba464cef305efa2329a2e18dc3191845b5216
  1. eclass/
  2. metadata/
  3. profiles/
  4. OWNERS
  5. PRESUBMIT.cfg