2020-10-20 10:59:55 +00:00
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# Maintainers
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- TODO: We need more maintainers:
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- https://github.com/NixOS/nixpkgs/issues/78450
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- If you just want to help out without becoming a maintainer:
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- Look for open Nixpkgs issues or PRs related to Chromium
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- Make your own PRs (but please try to make reviews as easy as possible)
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- Primary maintainer (responsible for updating Chromium): @primeos
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- Testers (test all stable channel updates)
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- `nixos-unstable`:
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- `x86_64`: @danielfullmer
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- `aarch64`: @thefloweringash
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- Stable channel:
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- `x86_64`: @Frostman
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- Other relevant packages:
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- `chromiumBeta` and `chromiumDev`: For testing purposes (not build on Hydra)
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- `google-chrome`, `google-chrome-beta`, `google-chrome-dev`: Updated via
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Chromium's `upstream-info.json`
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- `ungoogled-chromium`: Based on `chromium` (the expressions are regularly
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copied over and patched accordingly)
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2020-10-23 17:47:43 +00:00
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# Upstream links
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- Source code: https://source.chromium.org/chromium/chromium/src
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- Bugs: https://bugs.chromium.org/p/chromium/issues/list
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- Release updates: https://chromereleases.googleblog.com/
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- Available as Atom or RSS feed (filter for
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"Stable Channel Update for Desktop")
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- Channel overview: https://omahaproxy.appspot.com/
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- Release schedule: https://chromiumdash.appspot.com/schedule
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2020-10-20 10:59:55 +00:00
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# Updating Chromium
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Simply run `./pkgs/applications/networking/browsers/chromium/update.py` to
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update `upstream-info.json`. After updates it is important to test at least
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`nixosTests.chromium` (or basic manual testing) and `google-chrome` (which
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reuses `upstream-info.json`).
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2021-01-18 14:24:15 +00:00
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To run all automated NixOS VM tests for Chromium, ungoogled-chromium,
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and Google Chrome (not recommended, currently 6x tests!):
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```
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nix-build nixos/tests/chromium.nix
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```
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A single test can be selected, e.g. to test `ungoogled-chromium` (see
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`channelMap` in `nixos/tests/chromium.nix` for all available options):
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```
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nix-build nixos/tests/chromium.nix -A ungoogled
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```
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(Note: Testing Google Chrome requires `export NIXPKGS_ALLOW_UNFREE=1`.)
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For custom builds it's possible to "override" `channelMap`.
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2020-10-20 10:59:55 +00:00
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## Backports
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All updates are considered security critical and should be ported to the stable
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channel ASAP. When there is a new stable release the old one should receive
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security updates for roughly one month. After that it is important to mark
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Chromium as insecure (see 69e4ae56c4b for an example; it is important that the
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tested job still succeeds and that all browsers that use `upstream-info.json`
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are marked as insecure).
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## Major version updates
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Unfortunately, Chromium regularly breaks on major updates and might need
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various patches. Either due to issues with the Nix build sandbox (e.g. we cannot
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fetch dependencies via the network and do not use standard FHS paths) or due to
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missing upstream fixes that need to be backported.
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Good sources for such patches and other hints:
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- https://github.com/archlinux/svntogit-packages/tree/packages/chromium/trunk
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- https://gitweb.gentoo.org/repo/gentoo.git/tree/www-client/chromium
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- https://src.fedoraproject.org/rpms/chromium/tree/master
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If the build fails immediately due to unknown compiler flags this usually means
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that a new major release of LLVM is required.
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## Beta and Dev channels
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Those channels are only used to test and fix builds in advance. They may be
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broken at times and must not delay stable channel updates.
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