usertool.pl: allow specifying old email for email change
commit6931ddc3e68749304d54ce53901352ad024f2f79
authorKyle J. McKay <mackyle@gmail.com>
Mon, 8 Mar 2021 02:07:12 +0000 (7 19:07 -0700)
committerKyle J. McKay <mackyle@gmail.com>
Mon, 8 Mar 2021 02:07:12 +0000 (7 19:07 -0700)
tree7b6a7c432ff45432ca2a2438bdeab7d8fe6093ab
parent170c8118fafe239aeee32a1adb661b3d9e3b4ef0
usertool.pl: allow specifying old email for email change

If the old email address does not match the specified value,
refuse to make the change.

Providing the old email address is optional.

Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
toolbox/usertool.pl