[tz] zdump new option -i for easier-to-review output

Jon Skeet skeet at pobox.com
Mon Jun 6 07:59:10 UTC 2016

On 6 June 2016 at 07:27, Paul Eggert <eggert at cs.ucla.edu> wrote:

> Jon Skeet wrote:
>> hard (both technically and in terms
>> of any IANA process required) would it be to start publishing a zip file
>> of
>> the tzvalidate output alongside the code and data files, and include just
>> a
>> hash within the main data zip file (e.g. as a new file such as
>> tzvalidate-sha256.txt)? While I'm happy to keep doing this separately, it
>> would obviously be better if it were integrated into the main process.
> Something like this sounds like a good idea. I'd be inclined to use tar.gz
> format (as this format is already used by the distribution)

Sorry, yes, that was sloppy on my part - I meant "a general compressed

> as a container for zgrep -i format (whatever that turns out to be) for
> validation.

Well, I was proposing a transformation *from* the zdump -i format into one
specifically for validation - in other words, after the "bad data" (typos)
use cases have been weeded out, and we're into the "bad code" (in
libraries) territory, at which point I still think the format I've proposed
is more readable both for humans and machines.

> If we distribute that, and while we're at it distribute the zic
> binary-file output (which others have requested), then we can use the same
> mechanism we're already using for checksumming distributions.

Sure. (Can't say I've looked at that part of the existing scheme, but I'm
sure it makes sense.)

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