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don't show channels in upgrade instructions

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channels make everything more stateful, and therefore more complicated
and potentially confusing, but aren't needed for this task, so don't encourage their use.
This commit is contained in:
Valentin Gagarin 2024-01-06 23:44:15 +01:00
parent 8e865f3aba
commit fe751fbde2
1 changed files with 20 additions and 29 deletions
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49
doc/manual/src/installation/upgrading.md
View file

@ -2,48 +2,39 @@
> **Note** > **Note**
> >
> These upgrade instructions apply for regular Linux distributions where Nix was installed following the [installation instructions in this manual](./index.md). > These upgrade instructions apply where Nix was installed following the [installation instructions in this manual](./index.md).
First, find the name of the current [channel](@docroot@/command-ref/nix-channel.md) through which Nix is distributed: Check which Nix version will be installed, for example from one of the [release channels](http://channels.nixos.org/) such as `nixpkgs-unstable`:
```console ```console
$ nix-channel --list $ nix-shell -p nix -I nixpkgs=channel:nixpkgs-unstable --run "nix --version"
```
By default this should return an entry for Nixpkgs:
```console
nixpkgs https://nixos.org/channels/nixpkgs-23.05
```
Check which Nix version will be installed:
```console
$ nix-shell -p nix -I nixpkgs=channel:nixpkgs-23.11 --run "nix --version"
nix (Nix) 2.18.1 nix (Nix) 2.18.1
``` ```
> **Warning** > **Warning**
> >
> Writing to the [local store](@docroot@/store/types/local-store.md) with a newer version of Nix, for example by building derivations with `nix-build` or `nix-store --realise`, may change the database schema! > Writing to the [local store](@docroot@/store/types/local-store.md) with a newer version of Nix, for example by building derivations with [`nix-build`](@docroot@/command-ref/nix-build.md) or [`nix-store --realise`](@docroot@/command-ref/nix-store/realise.md), may change the database schema!
> Reverting to an older version of Nix may therefore require purging the store database before it can be used. > Reverting to an older version of Nix may therefore require purging the store database before it can be used.
Update the channel entry: ### Linux multi-user
```console ```console
$ nix-channel --remove nixpkgs $ sudo su
$ nix-channel --add https://nixos.org/channels/nixpkgs-23.11 nixpkgs # nix-env --install --file '<nixpkgs>' --attr nix cacert -I nixpkgs=channel:nixpkgs-unstable
# systemctl daemon-reload
# systemctl restart nix-daemon
``` ```
Multi-user Nix users on macOS can upgrade Nix by running: `sudo -i sh -c ## macOS multi-user
'nix-channel --update &&
nix-env --install --attr nixpkgs.nix &&
launchctl remove org.nixos.nix-daemon &&
launchctl load /Library/LaunchDaemons/org.nixos.nix-daemon.plist'`
Single-user installations of Nix should run this: `nix-channel --update; ```console
nix-env --install --attr nixpkgs.nix nixpkgs.cacert` $ sudo nix-env --install --file '<nixpkgs>' --attr nix -I nixpkgs=channel:nixpkgs-unstable
$ sudo launchctl remove org.nixos.nix-daemon
$ sudo launchctl load /Library/LaunchDaemons/org.nixos.nix-daemon.plist
```
Multi-user Nix users on Linux should run this with sudo: `nix-channel ## Single-user all platforms
--update; nix-env --install --attr nixpkgs.nix nixpkgs.cacert; systemctl
daemon-reload; systemctl restart nix-daemon` ```console
$ nix-env --install --file '<nixpkgs>' --attr nix cacert -I nixpkgs=channel:nixpkgs-unstable
```