mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
synced 2025-07-19 17:25:17 +03:00
84 lines
2.8 KiB
Bash
84 lines
2.8 KiB
Bash
# Profile for Nix package manager
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# This script is based on https://github.com/NixOS/nix/blob/master/scripts/nix-profile.sh.in.
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# Sanity check
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[ "$HOME" ] && [ "$USER" ] || return 0
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_nix_setup_user() {
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local nix_profile="$HOME/.nix-profile"
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local nix_defexpr="$HOME/.nix-defexpr"
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local profiles_dir="/nix/var/nix/profiles"
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local user_profile_dir="$profiles_dir/per-user/$USER"
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local user_gcroots_dir="/nix/var/nix/gcroots/per-user/$USER"
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mkdir -m 0755 -p "$user_profile_dir"
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[ -O "$user_profile_dir" ] \
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|| echo "Nix: WARNING: bad ownership on $user_profile_dir, should be $(id -u)" >&2
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[ -w "$HOME" ] || return 0
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# Create ~/.nix-profile if needed.
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if ! [ -L "$nix_profile" ]; then
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echo "Nix: creating $nix_profile" >&2
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if [ "$USER" = root ]; then
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# Root installs in the system-wide profile by default.
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ln -s "$profiles_dir/default" "$nix_profile" \
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|| echo "Nix: WARNING: could not create $nix_profile -> $profiles_dir/default" >&2
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else
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ln -s "$user_profile_dir/profile" "$nix_profile" \
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|| echo "Nix: WARNING: could not create $nix_profile -> $user_profile_dir/profile" >&2
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fi
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fi
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# Subscribe the user to the unstable Nixpkgs channel by default.
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if ! [ -e "$HOME/.nix-channels" ]; then
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echo 'https://nixos.org/channels/nixpkgs-unstable nixpkgs' > "$HOME/.nix-channels"
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fi
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# Create the per-user garbage collector roots directory.
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mkdir -m 0755 -p "$user_gcroots_dir"
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[ -O "$user_gcroots_dir" ] \
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|| echo "Nix: WARNING: bad ownership on $user_gcroots_dir, should be $(id -u)" >&2
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# Set up a default Nix expression from which to install stuff.
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if [ ! -e "$nix_defexpr" -o -L "$nix_defexpr" ]; then
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rm -f "$nix_defexpr"
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mkdir -p "$nix_defexpr"
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if [ "$USER" != root ]; then
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ln -s "$profiles_dir"/per-user/root/channels "$nix_defexpr"/channels_root
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fi
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fi
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export NIX_PROFILES="$NIX_PROFILES $nix_profile"
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# Append ~/.nix-defexpr/channels/nixpkgs to $NIX_PATH so that <nixpkgs>
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# paths work when the user has fetched the Nixpkgs channel.
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export NIX_PATH="${NIX_PATH:+$NIX_PATH:}nixpkgs=$nix_defexpr/channels/nixpkgs"
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# Set up secure multi-user builds; non-root users build through the Nix daemon.
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[ "$USER" = root ] || export NIX_REMOTE='daemon'
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}
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# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
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export NIX_SSL_CERT_FILE='/etc/ssl/certs/ca-certificates.crt'
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# The default profile for all users.
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export NIX_PROFILES='/nix/var/nix/profiles/default'
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# Set up environment for users that are allowed to build and install Nix
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# packages: root and members of nix or wheel group.
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if [ "$USER" = root ] || id -nG | grep -Eq '\b(nix|wheel)\b'; then
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_nix_setup_user
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fi
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# Set up PATH and MANPATH.
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for _i in $NIX_PROFILES; do
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export PATH="$_i/bin:$PATH"
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[ "$MANPATH" ] && export MANPATH="$_i/share/man:$MANPATH"
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done
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unset _i
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unset -f _nix_setup_user
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