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# /etc/nix/nix.conf — daemon-wide Nix config.
# Managed by chezmoi (etc/nix/nix.conf in dotfiles).
# Enable `nix` CLI (vs legacy nix-* commands) and flakes.
experimental-features = nix-command flakes
# Wheel users may configure extra substituters / import paths without
# the daemon prompting. Safe on a single-user laptop.
trusted-users = root @wheel
# Hard-link identical store paths to save disk after large builds.
auto-optimise-store = true
# Keep build outputs and derivations alive even when only referenced
# from GC roots like direnv envs. Without these, `nix store gc` would
# drop dev-shell deps and force a re-download next `cd` into a project.
keep-outputs = true
keep-derivations = true
# Lift the default 64 MiB download buffer; reduces stalls on big closures.
download-buffer-size = 524288000
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