bug#54346: persist-save doesn't persist variables when the value is set to the default

[Lars Ingebrigtsen]

Gulshan Singh <gsingh2011@gmail.com> writes:

> I cloned the upstream project [1] and created a merge request [2]
> there. The fix deletes the persist file when it gets set back to the
> default value, and it modifies a test to verify this behavior. I've
> attached the same patch here (created with `git format-patch HEAD^`, I
> haven't submitted a patch here before so let me know if this is the
> correct way to do this).

Yup; looks good.

> I'm a little confused though, I see that on the externals/persist
> branch [3] there is a commit that does not exist on the upstream
> GitLab project. Why is this the case? Should I actually be making a
> patch off of the externals/persist branch?

That's my error -- I didn't check whether it persist was maintained
externally before making that change.  So it should be merged upstream.

Phillip?

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   bloggy blog: http://lars.ingebrigtsen.no