Richard Hansen <rhan...@bbn.com> writes:
>> and plan for transition to forbid them
>> everywhere in a next big version bump (it is too late for 2.0).
> Would it be acceptable to have a config option to forbid these in a
> non-major version bump?
Of course ;-) Because we try very hard to avoid a "flag day" change,
any "plan for transition" inevitably has to include what we need to
do _before_ the big version bump.
> If it's OK to have a config option, then here's one possible transition
> path (probably flawed, but my intent is to bootstrap discussion):
> 1. Add an option to forbid dangerous characters. The option defaults
> to disabled for compatibility. If the option is unset, print a
> warning upon encountering a ref name that would be forbidden.
> 2. Later, flip the default to enabled.
> 3. Later, in the weeks/months leading up to the next major version
> release, print the warning even if the config option is set to
Sounds fairly conservative and nice. We may want to treat creating
a new such ref and using an existing such ref differently, though,
and that might give us a better/smoother transition (as you are, I
am just thinking aloud).
For example, it might be sufficient to do these two things:
(1) upon an attempt to use an existing such ref, warn and encourage
renaming of the ref.
(2) upon an attempt to create a new one, error it out.
in the first step, and in either case, tell the user about the
Going that route may shorten the time until the initial safety.
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