Guix

sudo guix system delete-generations
guix gc -d

To find what's taking space in /gnu/store/:

ls -1 /gnu/store/ | sed 's|^|/gnu/store/|' | xargs -n 10000 du -hs | sort -h

To find the gc roots:

guix gc --list-roots

https://guix.gnu.org/manual/en/html_node/Building-from-Git.html

git clone https://git.savannah.gnu.org/git/guix.git
cd guix
echo $PWD >> ~/.config/guix/shell-authorized-directories

guix shell # OR guix shell-D guix --pure
./bootstrap
./configure --localstatedir=/var
make

./pre-inst-env scripts/guix describe

Repository meant to contain documents and tools by Guix hackers and maintainers that do not fit in the Guix repository.

guix/maintenance.git

Cuirass is a continuous integration tool for Guix. It can be used both for development and for providing substitutes to others.

• Guix Service documentation
• Cuirass "Specification" data type

1. add the service (service nix-service-type)
2. install the package nix
3. add a channel e.g. nix-channel --add https://nixos.org/channels/nixos-24.05
4. nix-channel --update
5. ln -s "/nix/var/nix/profiles/per-user/$USER/profile" ~/.nix-profile
6. source /run/current-system/profile/etc/profile.d/nix.fish
7. Create missing directories sudo mkdir -m 0755 -p /nix/var/nix/{profiles,gcroots}/per-user/$USER
8. Give the directories the right owners sudo chown -R $USER:nixbld /nix/var/nix/profiles/per-user/$USER