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if [ -n "$HOME" ] && [ -n "$USER" ]; then
# Set up the per-user profile.
NIX_LINK="$HOME/.nix-profile"
if [ -n "${XDG_STATE_HOME-}" ]; then
NIX_LINK_NEW="$XDG_STATE_HOME/nix/profile"
else
NIX_LINK_NEW="$HOME/.local/state/nix/profile"
fi
if ! [ -e "$NIX_LINK" ]; then
NIX_LINK="$NIX_LINK_NEW"
else
if [ -t 2 ] && [ -e "$NIX_LINK_NEW" ]; then
warning="\033[1;35mwarning:\033[0m"
printf "$warning Both %s and legacy %s exist; using the latter.\n" "$NIX_LINK_NEW" "$NIX_LINK" 1>&2
if [ "$(realpath "$NIX_LINK")" = "$(realpath "$NIX_LINK_NEW")" ]; then
printf " Since the profiles match, you can safely delete either of them.\n" 1>&2
else
# This should be an exceptionally rare occasion: the only way to get it would be to
# 1. Update to newer Nix;
# 2. Remove .nix-profile;
# 3. Set the $NIX_LINK_NEW to something other than the default user profile;
# 4. Roll back to older Nix.
# If someone did all that, they can probably figure out how to migrate the profile.
printf "$warning Profiles do not match. You should manually migrate from %s to %s.\n" "$NIX_LINK" "$NIX_LINK_NEW" 1>&2
fi
fi
fi
# Set up environment.
# This part should be kept in sync with nixpkgs:nixos/modules/programs/environment.nix
export NIX_PROFILES="@localstatedir@/nix/profiles/default $NIX_LINK"
# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
if [ -e /etc/ssl/certs/ca-certificates.crt ]; then # NixOS, Ubuntu, Debian, Gentoo, Arch
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
elif [ -e /etc/ssl/ca-bundle.pem ]; then # openSUSE Tumbleweed
export NIX_SSL_CERT_FILE=/etc/ssl/ca-bundle.pem
elif [ -e /etc/ssl/certs/ca-bundle.crt ]; then # Old NixOS
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt
elif [ -e /etc/pki/tls/certs/ca-bundle.crt ]; then # Fedora, CentOS
export NIX_SSL_CERT_FILE=/etc/pki/tls/certs/ca-bundle.crt
elif [ -e "$NIX_LINK/etc/ssl/certs/ca-bundle.crt" ]; then # fall back to cacert in Nix profile
export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ssl/certs/ca-bundle.crt"
elif [ -e "$NIX_LINK/etc/ca-bundle.crt" ]; then # old cacert in Nix profile
export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ca-bundle.crt"
fi
# Only use MANPATH if it is already set. In general `man` will just simply
# pick up `.nix-profile/share/man` because is it close to `.nix-profile/bin`
# which is in the $PATH. For more info, run `manpath -d`.
if [ -n "${MANPATH-}" ]; then
export MANPATH="$NIX_LINK/share/man:$MANPATH"
fi
export PATH="$NIX_LINK/bin:$PATH"
unset NIX_LINK NIX_LINK_NEW
fi
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