# Build nix package locally.# cd into cloned https://github.com/NixOS/nixpkgs# Build package from default.nix inside nixpkgs. Will put result as ./result if succeeds# i.e. nix-build -A watchexec -> will build watchexec packagenix-build -A <package># Install the build and put it `~/.nix-profile/bin`nix-env -i ./result
# Garbage collectsudo nix-collect-garbage --delete-older-than 30d