Découverte de Nix

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J’ai entendu beaucoup de bien à propos de Nix. Il est temps de l’essayer.

abramowi at marcs-mbp-3 in ~
$ curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install

info: downloading installer https://install.determinate.systems/nix/tag/v3.8.2/nix-installer-aarch64-darwin
 INFO nix-installer v3.8.2
`nix-installer` needs to run as `root`, attempting to escalate now via `sudo`...
Password:
 INFO nix-installer v3.8.2
 INFO For a more robust Nix installation, use the Determinate package for macOS: https://dtr.mn/determinate-nix

Install Determinate Nix?

Determinate Nix is tested and ready for macOS Tahoe when you are. Selecting ‘no’ will install Nix from NixOS.

Proceed? ([Y]es/[n]o/[e]xplain):
Nix install plan (v3.8.2)
Planner: macos

Configured settings:
* determinate_nix: true

Planned actions:
* Install Determinate Nixd
* Create an encrypted APFS volume `Nix Store` for Nix on `disk3` and add it to `/etc/fstab` mounting on `/nix`
* Extract the bundled Nix (originally from /nix/store/3knq40gvqd48hfi0n4mv57lx2zx09131-nix-binary-tarball-3.8.2/nix-3.8.2-aarch64-darwin.tar.xz) to `/nix/temp-install-dir`
* Create a directory tree in `/nix`
* Synchronize /nix/var ownership
* Move the downloaded Nix into `/nix`
* Synchronize /nix/store ownership
* Create build users (UID 351-382) and group (GID 350)
* Configure Time Machine exclusions
* Setup the default Nix profile
* Place the Nix configuration in `/etc/nix/nix.conf`
* Configure the shell profiles
* Configuring zsh to support using Nix in non-interactive shells
* Create a `launchctl` plist to put Nix into your PATH
* Configure the Determinate Nix daemon
* Remove directory `/nix/temp-install-dir`


Proceed? ([Y]es/[n]o/[e]xplain):
 INFO Step: Install Determinate Nixd
 INFO Step: Create an encrypted APFS volume `Nix Store` for Nix on `disk3` and add it to `/etc/fstab` mounting on `/nix`
 INFO Step: Provision Nix
 INFO Step: Create build users (UID 351-382) and group (GID 350)
 INFO Step: Configure Time Machine exclusions
 INFO Step: Configure Nix
 INFO Step: Configuring zsh to support using Nix in non-interactive shells
 INFO Step: Create a `launchctl` plist to put Nix into your PATH
 INFO Step: Configure the Determinate Nix daemon
 INFO Step: Remove directory `/nix/temp-install-dir`
Nix was installed successfully!
To get started using Nix, open a new shell or run `. /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh`

Et c’est parti…

Voyons maintenant ce dont on dispose…?

abramowi at marcs-mbp-3 in ~
$ nix-shell --version
nix-shell (Determinate Nix 3.8.2) 2.30.1


abramowi at marcs-mbp-3 in ~
$ nix-shell
error: no argument specified and no 'shell.nix' or 'default.nix' file found in the working directory

Cool. Nix est donc installé, et la prochaine étape est de trouver ou de créer un fichier shell.nix pour pouvoir m’amuser avec nix-shell…