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Bring nix-profile.sh in line with NixOS

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Use the same logic as NixOS' profile and environment setup. Closes #414
This commit is contained in:
Wout Mertens 2016-04-10 23:23:16 +02:00
parent 8cffec8485
commit af4fb6ef61
1 changed files with 62 additions and 12 deletions
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70
scripts/nix-profile.sh.in
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@ -1,24 +1,71 @@
if [ -n "$HOME" ]; then
NIX_LINK="$HOME/.nix-profile"
if [ -n "$HOME" ] && [ -n "$USER" ]; then
__savedpath="$PATH"
export PATH=@coreutils@
# Set the default profile.
if ! [ -L "$NIX_LINK" ]; then
echo "creating $NIX_LINK" >&2
_NIX_DEF_LINK=@localstatedir@/nix/profiles/default
@coreutils@/ln -s "$_NIX_DEF_LINK" "$NIX_LINK"
# 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.
# 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