86be605f3f
This improves atomicity since all files managed by Home Manager will immediately switch over when the link $XDG_DATA_HOME/home-manager/files is swapped over to the new generation. Removing obsolete files and adding new ones must still done non-atomically but this improves the situation significantly.
112 lines
3.5 KiB
Plaintext
112 lines
3.5 KiB
Plaintext
[[sec-release-20.03]]
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== Release 20.03 (unreleased)
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This is the current unstable branch and the information in this
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section is therefore not final.
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[[sec-release-20.03-highlights]]
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=== Highlights
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This release has the following notable changes:
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* Assigning a list to the <<opt-home.file>>, <<opt-xdg.configFile>>,
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and <<opt-xdg.dataFile>> options is now deprecated and will produce a
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warning message if used. Specifically, if your configuration currently
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contains something like
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+
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[source,nix]
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----
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home.file = [
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{
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target = ".config/foo.txt";
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text = "bar";
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}
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]
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----
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+
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then it should be updated to instead use the equivalent attribute set form
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+
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[source,nix]
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----
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home.file = {
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".config/foo.txt".text = "bar";
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}
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----
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+
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Support for the list form will be removed in Home Manager version
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20.09.
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* The `lib` function attribute given to modules is now enriched with
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an attribute `hm` containing extra library functions specific for Home
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Manager. More specifically, `lib.hm` is now the same as `config.lib`
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and should be the preferred choice since it is more robust.
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+
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Therefore, if your configuration makes use of, for example,
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`config.lib.dag` to create activation script blocks, it is recommended
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to change to `lib.hm.dag`.
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+
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Note, in the unlikely case that you are
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+
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** using Home Manager's NixOS or nix-darwin module,
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** have made your own Home Manager module containing an top-level
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option named `config` or `options`, and
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** assign to this option in your system configuration inside a plain
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attribute set, i.e., without a function argument,
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+
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then you must update your configuration to perform the option
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assignment inside a `config` attribute. For example, instead of
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+
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[source,nix]
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----
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home-manager.users.jane = { config = "foo"; };
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----
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+
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use
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+
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[source,nix]
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----
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home-manager.users.jane = { config.config = "foo"; };
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----
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* The `services.compton` module has been deprecated and instead the
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new module `services.picom` should be used. This is because Nixpkgs no
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longer packages compton, and instead packages the (mostly) compatible
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fork called picom.
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* Entries in <<opt-home.file>> are now linked into place via an
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intermediate location, `$XDG_DATA_HOME/home-manager/files`, much like
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`/etc/static` in NixOS. This change was made to makes the switch
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process more atomic.
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+
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In general this should not be noticeable but if you manually activate
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an older generation it may (harmlessly) exit with an error along the
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lines of
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+
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....
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Existing file '/home/jane/foo' is in the way
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Please move the above files and try again or use -b <ext> to move automatically.
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....
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+
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where `/home/jane/foo` is a file managed through the <<opt-home.file>>
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option. This is due to the older activation script not recognizing the
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new XDG data home path as belonging to Home Manager. You can resolve
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this by manually removing the `/home/jane/foo` symbolic link and
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running the activate script again.
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[[sec-release-20.03-state-version-changes]]
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=== State Version Changes
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The state version in this release includes the changes below. These
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changes are only active if the `home.stateVersion` option is set to
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"20.03" or later.
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* The <<opt-programs.zsh.history.path>> option is no longer prepended
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by `$HOME`, which allows specifying absolute paths, for example,
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using the xdg module. Also, the default value is fixed to
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`$HOME/.zsh_history` and `dotDir` path is not prepended to it
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anymore.
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* The newsboat module will now default in displaying `queries` before `urls` in
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its main window. This makes sense in the case when one has a lot of URLs and
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few queries.
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