Comment 7 for bug 1636931

Note that it's actually even worse on an up-to-date xenial, since the configure hook is now run on install in v2.17:

$ sudo snap install --dangerous snapctl-hooks_1.0_all.snap
error: cannot perform the following tasks:
- Run configure hook of "snapctl-hooks" snap if present (cannot snap-exec: cannot find hook "configure" in "snapctl-hooks")