81 lines
3.1 KiB
Markdown
81 lines
3.1 KiB
Markdown
# Qt 5 Maintainer's Notes
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## Minor Updates
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Let `$major` be the major version number, e.g. `5.9`.
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1. Change the version number in the `$major/fetch.sh`.
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2. Run `./maintainers/scripts/fetch-kde-qt.sh pkgs/development/libraries/qt-5/$major`
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from the top of the Nixpkgs tree.
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See below if it is necessary to update any patches.
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## Major Updates
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Let `$major` be the new major version number, e.g. `5.10`.
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1. Copy the subdirectory from the previous major version to `$major`.
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2. Change the version number in `$major/fetch.sh`.
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3. Run `./maintainers/scripts/fetch-kde-qt.sh pkgs/development/libraries/qt-5/$major`
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from the top of the Nixpkgs tree.
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4. Add a top-level attribute in `pkgs/top-level/all-packages.nix` for the new
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major version.
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5. Change the `qt5` top-level attribute to point to the new major version.
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6. If the previous major version is _not_ a long-term support release,
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remove it from Nixpkgs.
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See below if it is necessary to update any patches.
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## Patches
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Nixpkgs maintains several patches for Qt which cannot be submitted upstream. To
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facilitate maintenance, a fork of the upstream repository is created for each patched module:
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- [qtbase](https://github.com/ttuegel/qtbase)
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- [qtwebkit](https://github.com/ttuegel/qtwebkit)
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- [qttools](https://github.com/ttuegel/qttools)
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- [qtscript](https://github.com/ttuegel/qtscript)
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- [qtserialport](https://github.com/ttuegel/qtserialport)
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- [qtdeclarative](https://github.com/ttuegel/qtdeclarative)
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- [qtwebengine](https://github.com/ttuegel/qtwebengine)
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In each repository, the patches are contained in a branch named `nixpkgs/$major`
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for each major version. Please make a pull request to add or update any patch
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which will be maintained in Nixpkgs.
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The forked repository for each module is used to create a single patch in
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Nixpkgs. To recreate the patch for module `$module` (e.g. `qtbase`) at version
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`$version` (e.g. `5.9.1`) in the branch `$major` (e.g. `5.9`),
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1. Clone the fork for `$module` from the list above.
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2. Checkout the active branch, `git checkout nixpkgs/$major`.
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3. Compare the patched branch to the release tag,
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`git diff v$version > $module.patch`.
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4. Copy `$module.patch` into the Nixpkgs tree.
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### Minor Version Updates
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To update module `$module` to version `$version` from an older version in the
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same branch `$major`,
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1. Clone the fork for `$module` from the list above.
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2. Checkout the active branch, `git checkout nixpkgs/$major`.
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3. Merge the new version into the active branch,
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`git merge --no-ff v$version`.
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4. Fix any conflicts.
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5. Open a pull request for the changes.
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6. Follow the instructions above to recreate the module patch in Nixpkgs.
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### Major Version Updates
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To update module `$module` from `$oldversion` in branch `$oldmajor` to version
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`$version` in branch `$major`,
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1. Clone the fork for `$module` from the list above.
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2. Checkout a new branch for the new major version,
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`git checkout -b nixpkgs/$major nixpkgs/$oldmajor`.
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3. Rebase the patches from `$oldversion` onto the new branch,
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`git rebase v$oldversion --onto v$version`.
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4. Fix any conflicts.
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5. Open a pull request for the changes.
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6. Follow the instructions above to recreate the module patch in Nixpkgs.
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