forked from lix-project/lix
867f894289
On non-NixOS systems, the default `nix` install does not populate the `$XDG_DATA_DIRS`. This populates it and enables things like bash-completion and `.desktop` file detection for `nix` profile installed packages. Signed-off-by: Ana Hobden <operator@hoverbear.org>
68 lines
3.3 KiB
Bash
68 lines
3.3 KiB
Bash
if [ -n "$HOME" ] && [ -n "$USER" ]; then
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# Set up the per-user profile.
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NIX_LINK="$HOME/.nix-profile"
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if [ -n "${XDG_STATE_HOME-}" ]; then
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NIX_LINK_NEW="$XDG_STATE_HOME/nix/profile"
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else
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NIX_LINK_NEW="$HOME/.local/state/nix/profile"
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fi
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if [ -e "$NIX_LINK_NEW" ]; then
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NIX_LINK="$NIX_LINK_NEW"
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else
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if [ -t 2 ] && [ -e "$NIX_LINK_NEW" ]; then
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warning="\033[1;35mwarning:\033[0m"
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printf "$warning Both %s and legacy %s exist; using the latter.\n" "$NIX_LINK_NEW" "$NIX_LINK" 1>&2
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if [ "$(realpath "$NIX_LINK")" = "$(realpath "$NIX_LINK_NEW")" ]; then
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printf " Since the profiles match, you can safely delete either of them.\n" 1>&2
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else
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# This should be an exceptionally rare occasion: the only way to get it would be to
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# 1. Update to newer Nix;
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# 2. Remove .nix-profile;
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# 3. Set the $NIX_LINK_NEW to something other than the default user profile;
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# 4. Roll back to older Nix.
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# If someone did all that, they can probably figure out how to migrate the profile.
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printf "$warning Profiles do not match. You should manually migrate from %s to %s.\n" "$NIX_LINK" "$NIX_LINK_NEW" 1>&2
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fi
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fi
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fi
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# Set up environment.
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# This part should be kept in sync with nixpkgs:nixos/modules/programs/environment.nix
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export NIX_PROFILES="@localstatedir@/nix/profiles/default $NIX_LINK"
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# Populate bash completions, .desktop files, etc
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if [ -n "${XDG_DATA_DIRS-}" ]; then
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# According to XDG spec the default is /usr/local/share:/usr/share, don't set something that prevents that default
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export XDG_DATA_DIRS="/usr/local/share:/usr/share:$NIX_LINK/share:/nix/var/nix/profiles/default/share"
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else
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export XDG_DATA_DIRS="$XDG_DATA_DIRS:$NIX_LINK/share:/nix/var/nix/profiles/default/share"
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fi
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# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
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if [ -e /etc/ssl/certs/ca-certificates.crt ]; then # NixOS, Ubuntu, Debian, Gentoo, Arch
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export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
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elif [ -e /etc/ssl/ca-bundle.pem ]; then # openSUSE Tumbleweed
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export NIX_SSL_CERT_FILE=/etc/ssl/ca-bundle.pem
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elif [ -e /etc/ssl/certs/ca-bundle.crt ]; then # Old NixOS
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export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt
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elif [ -e /etc/pki/tls/certs/ca-bundle.crt ]; then # Fedora, CentOS
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export NIX_SSL_CERT_FILE=/etc/pki/tls/certs/ca-bundle.crt
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elif [ -e "$NIX_LINK/etc/ssl/certs/ca-bundle.crt" ]; then # fall back to cacert in Nix profile
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export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ssl/certs/ca-bundle.crt"
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elif [ -e "$NIX_LINK/etc/ca-bundle.crt" ]; then # old cacert in Nix profile
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export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ca-bundle.crt"
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fi
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# Only use MANPATH if it is already set. In general `man` will just simply
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# pick up `.nix-profile/share/man` because is it close to `.nix-profile/bin`
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# which is in the $PATH. For more info, run `manpath -d`.
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if [ -n "${MANPATH-}" ]; then
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export MANPATH="$NIX_LINK/share/man:$MANPATH"
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fi
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export PATH="$NIX_LINK/bin:$PATH"
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unset NIX_LINK NIX_LINK_NEW
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fi
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