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Prepare rand_core 0.6.0#1072

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Dec 14, 2020
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Prepare rand_core 0.6.0#1072
dhardy merged 5 commits into
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@dhardy

@dhardy dhardy commented Dec 7, 2020 •
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Unfinished:

  • rand_chacha
  • rand_hc
  • rand_pcg

rand_chacha: #1023 re-enabled a dependency on the simd feature of ppv-lite86 since at the time that wasn't enabled-by-default, but this should be fixed now: cryptocorrosion/cryptocorrosion#36. So I think we should remove this feature dependency again since it is deprecated.

@dhardy

dhardy commented Dec 7, 2020

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Hmm, we could force a dependency on ppv-lite >= 0.2.10 to properly resolve the issue, or we could be lax and let cargo update do its thing (but inevitably some users will be left out). I'd prefer the stricter dependency requirement. CC @kazcw

@dhardy

dhardy commented Dec 7, 2020

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I disabled the cargo deadlinks check since we can't fix those errors right now. See also rust-lang/rust#77200

Changelogs have today's date, but I'm not certain the release will happen today (esp. if review is required).

@dhardy dhardy requested a review from vks December 7, 2020 17:10
@kazcw

kazcw commented Dec 7, 2020

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@dhardy Either approach to proactively removing the simd flag from the ppv-lite dependency could degrade the experience of some rand users. When I meant by deprecating the simd flag is that new code has no reason to use it, but it wouldn't hurt anything to leave it for continued compatibility without older versions of the crate.

@jyn514

jyn514 commented Dec 7, 2020

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@dhardy the deadlinks failure isn't related to rustdoc at all, it's deadlinks/cargo-deadlinks#120. You can ignore it for now with --ignore-fragments, which will still check the links exist, just not the URL fragments.

@jyn514

jyn514 commented Dec 7, 2020

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Also, FWIW you can simplify the build script by running cargo +nightly deadlinks -- --all-features --all instead of running cargo doc first. That will also respect doc = false if you have it set somewhere.

@dhardy

dhardy commented Dec 7, 2020

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@kazcw I tested with ppv-lite86 0.2.9 and 0.2.10 and clearly the fix works. That said we've no reason to do this (until ppv-lite86 0.3) so I guess you're right that removing the change is better.

@jyn514 the link failure is real (from POV of rand_distr which is part of this repo), so I don't think it is that?

@jyn514

jyn514 commented Dec 7, 2020

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@dhardy this is the file I see for target/doc/rand/rng/trait.Rng.html:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta http-equiv="refresh" content="0;URL=../../rand/trait.Rng.html">
</head>
<body>
    <p>Redirecting to <a href="../../rand/trait.Rng.html">../../rand/trait.Rng.html</a>...</p>
    <script>location.replace("../../rand/trait.Rng.html" + location.search + location.hash);</script>
</body>
</html>

What do you see? It exists, because the error reported is about a broken fragment, not a missing file.

@kazcw

kazcw commented Dec 7, 2020

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@dhardy I have no doubt that 0.2.10 works correctly. I was referring to the cost to some users of forcing a dependency upgrade

@vks

vks commented Dec 7, 2020

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I was referring to the cost to some users of forcing a dependency upgrade

I'm not sure what the cost of upgrading from ppv-lite86 0.2.8 to 0.2.10 is. The difference is only some patch releases, so cargo update should be enough?

vks
vks reviewed Dec 7, 2020
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Comment thread rand_chacha/CHANGELOG.md Outdated
## [0.3.0] - 2020-12-07
- Bump `rand_core` version to 0.6.0
- Bump MSRV to 1.36 (#1011)
- Remove usage of deprecated feature "simd" of `ppv-lite86` (#979), revert

@vks vks Dec 7, 2020

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This is a bit confusing. What exactly is reverted?

@dhardy dhardy Dec 8, 2020

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The previous change (removal of feature usage)

@vks vks Dec 8, 2020

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Maybe write 'Use deprecated feature "simd" of ppv-lite86 for improved compatibility'?

@dhardy

dhardy commented Dec 8, 2020

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@jyn514 aha... I didn't realise doc/rand_distr/struct.Uniform.html links to <a href="../rand/rng/trait.Rng.html#method.gen_range">. Thanks for the help.

dhardy added a commit to dhardy/rand that referenced this pull request Dec 8, 2020
@dhardy
cargo-deadlinks: ignore fragments
335842a 
These caused failures (see rust-random#1072)
@dhardy

dhardy commented Dec 8, 2020

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Force update:

  • update dates
  • remove the change on ppv-lite86 dependency feature
  • use --ignore-fragments on cargo-deadlinks

@dhardy

dhardy commented Dec 8, 2020

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So much for fixing up the Travis CI. We don't get much notice do we: https://www.reddit.com/r/programming/comments/k8v6u2/travis_ci_is_no_longer_providing_ci_minutes_for/

@PaulGrandperrin PaulGrandperrin mentioned this pull request Dec 11, 2020
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vks
vks reviewed Dec 14, 2020
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Comment thread .travis.yml Outdated
vks
vks approved these changes Dec 14, 2020
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Looks good!

@dhardy

dhardy commented Dec 14, 2020

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Yeah, but I want to rebase after porting CI. Travis dropped our jobs just before validating this one. 😒

@dhardy dhardy merged commit 98e220c into rust-random:master Dec 14, 2020
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dhardy commented Dec 14, 2020

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Published!

@sync-by-unito sync-by-unito Bot mentioned this pull request Dec 15, 2020
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@kevinlewi kevinlewi mentioned this pull request Dec 15, 2020
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@dhardy @kazcw @jyn514 @vks