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[staging] libass 0.14.0 -> 0.15.0 #101983

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merged 1 commit into from Nov 5, 2020
Merged

[staging] libass 0.14.0 -> 0.15.0 #101983

merged 1 commit into from Nov 5, 2020

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cheriimoya
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Motivation for this change

Build ffmpeg with newer libass

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.

@cheriimoya cheriimoya mentioned this pull request Oct 28, 2020
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@mweinelt mweinelt changed the title libass 0.14.0 -> 0.15.0 [staging] libass 0.14.0 -> 0.15.0 Oct 28, 2020
@ofborg ofborg bot requested a review from codyopel October 28, 2020 23:19
@mweinelt
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mweinelt commented Nov 4, 2020

#102801

@mweinelt
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mweinelt commented Nov 4, 2020

https://github.com/libass/libass/releases/tag/0.15.0

Require HarfBuzz unconditionally to ensure good shaping for complex scripts

I think that should be addressed in this pull request.

@cheriimoya
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i hope that's what you meant @mweinelt, good point :)

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mweinelt commented Nov 5, 2020

The change is fine, but please squash it into the update commit and explain why the change became necessary.

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mweinelt commented Nov 5, 2020

That commit is still missing the explanation for why harfbuzz isn't optional anymore.

@cheriimoya
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The initial motivation for this change was the faster subtitle rendering that libass 0.15.0 provides compared to version 0.14.0.
In addition to the initial motivation, as you mentioned, there is #102801 now which should be fixed by bumping libass to the current release.

@mweinelt
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mweinelt commented Nov 5, 2020

The why should really go into the commit message. Like so:

libass: 0.14.0 -> 0.15.0

Harfbuzz is now being required unconditionally.

Fixes: CVE-2020-26682

You are also missing a colon after the attribute.

libass: 0.14.0 -> 0.15.0
8b8130f 
Harfbuzz is now being required unconditionally as per
https://github.com/libass/libass/releases/tag/0.15.0

Fixes: CVE-2020-26682
@cheriimoya
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my bad, completely misunderstood you @mweinelt 👀

@mweinelt mweinelt merged commit 372f32f into NixOS:staging Nov 5, 2020
@cheriimoya cheriimoya deleted the libass branch November 6, 2020 11:51
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@mweinelt mweinelt mweinelt approved these changes

@codyopel codyopel Awaiting requested review from codyopel

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1.severity: security 10.rebuild-darwin: 101-500 10.rebuild-linux: 501+ 10.rebuild-linux: 1001-2500
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