diff options
| -rw-r--r-- | scripts/nix-profile.sh.in | 76 |
1 files changed, 63 insertions, 13 deletions
diff --git a/scripts/nix-profile.sh.in b/scripts/nix-profile.sh.in index 6616b12b0cf4..5e01de95156c 100644 --- a/scripts/nix-profile.sh.in +++ b/scripts/nix-profile.sh.in @@ -1,24 +1,71 @@ -if [ -n "$HOME" ]; then - NIX_LINK="$HOME/.nix-profile" - - # Set the default profile. - if ! [ -L "$NIX_LINK" ]; then - echo "creating $NIX_LINK" >&2 - _NIX_DEF_LINK=@localstatedir@/nix/profiles/default - @coreutils@/ln -s "$_NIX_DEF_LINK" "$NIX_LINK" +if [ -n "$HOME" ] && [ -n "$USER" ]; then + __savedpath="$PATH" + export PATH=@coreutils@ + + # Set up the per-user profile. + # This part should be kept in sync with nixpkgs:nixos/modules/programs/shell.nix + + : ${NIX_LINK:=$HOME/.nix-profile} + + : ${NIX_USER_PROFILE_DIR:=@localstatedir@/nix/profiles/per-user/$USER} + + mkdir -m 0755 -p "$NIX_USER_PROFILE_DIR" + + if [ "$(stat --printf '%u' "$NIX_USER_PROFILE_DIR")" != "$(id -u)" ]; then + echo "Nix: WARNING: bad ownership on "$NIX_USER_PROFILE_DIR", should be $(id -u)" >&2 fi - export PATH=$NIX_LINK/bin:$NIX_LINK/sbin:$PATH + if [ -w "$HOME" ]; then + if ! [ -L "$NIX_LINK" ]; then + echo "Nix: creating $NIX_LINK" >&2 + if [ "$USER" != root ]; then + if ! ln -s "$NIX_USER_PROFILE_DIR"/profile "$NIX_LINK"; then + echo "Nix: WARNING: could not create $NIX_LINK -> $NIX_USER_PROFILE_DIR/profile" >&2 + fi + else + # Root installs in the system-wide profile by default. + ln -s @localstatedir@/nix/profiles/default "$NIX_LINK" + fi + fi - # Subscribe the user to the Nixpkgs channel by default. - if [ ! -e "$HOME/.nix-channels" ]; then - echo "https://nixos.org/channels/nixpkgs-unstable nixpkgs" > "$HOME/.nix-channels" + # Subscribe the user to the unstable Nixpkgs channel by default. + if [ ! -e "$HOME/.nix-channels" ]; then + echo "https://nixos.org/channels/nixpkgs-unstable nixpkgs" > "$HOME/.nix-channels" + fi + + # Create the per-user garbage collector roots directory. + __user_gcroots=@localstatedir@/nix/gcroots/per-user/"$USER" + mkdir -m 0755 -p "$__user_gcroots" + if [ "$(stat --printf '%u' "$__user_gcroots")" != "$(id -u)" ]; then + echo "Nix: WARNING: bad ownership on $__user_gcroots, should be $(id -u)" >&2 + fi + unset __user_gcroots + + # Set up a default Nix expression from which to install stuff. + __nix_defexpr="$HOME"/.nix-defexpr + [ -L "$__nix_defexpr" ] && rm -f "$__nix_defexpr" + mkdir -m 0755 -p "$__nix_defexpr" + if [ "$USER" != root ] && [ ! -L "$__nix_defexpr"/channels_root ]; then + ln -s @localstatedir@/nix/profiles/per-user/root/channels "$__nix_defexpr"/channels_root + fi + unset __nix_defexpr fi # Append ~/.nix-defexpr/channels/nixpkgs to $NIX_PATH so that # <nixpkgs> paths work when the user has fetched the Nixpkgs # channel. - export NIX_PATH=${NIX_PATH:+$NIX_PATH:}nixpkgs=$HOME/.nix-defexpr/channels/nixpkgs + export NIX_PATH="${NIX_PATH:+$NIX_PATH:}nixpkgs=$HOME/.nix-defexpr/channels/nixpkgs" + + # Set up environment. + # This part should be kept in sync with nixpkgs:nixos/modules/programs/environment.nix + export NIX_USER_PROFILE_DIR + export NIX_PROFILES="@localstatedir@/nix/profiles/default $NIX_USER_PROFILE_DIR" + + for i in $NIX_PROFILES; do + if [ -d "$i/lib/aspell" ]; then + export ASPELL_CONF="dict-dir $i/lib/aspell" + fi + done # Set $SSL_CERT_FILE so that Nixpkgs applications like curl work. if [ -e /etc/ssl/certs/ca-certificates.crt ]; then # NixOS, Ubuntu, Debian, Gentoo, Arch @@ -34,4 +81,7 @@ if [ -n "$HOME" ]; then elif [ -e "$NIX_LINK/etc/ca-bundle.crt" ]; then # old cacert in Nix profile export SSL_CERT_FILE="$NIX_LINK/etc/ca-bundle.crt" fi + + export PATH="$NIX_LINK/bin:$NIX_LINK/sbin:$__savedpath" + unset __savedpath fi |