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1362a0a55a
The [POSIX test manpage](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html) as well as the [fish test manpage](https://fishshell.com/docs/current/cmds/test.html#operators-for-text-strings) specify that `-z` will be "True if the length of string string is zero; otherwise, false." The `-n` was likely a mixup and not caught during testing of https://github.com/NixOS/nix/pull/8985 due to a lack of missing conflicting entries in `XDG_DATA_DIRS`.
60 lines
2.5 KiB
Fish
60 lines
2.5 KiB
Fish
function add_path --argument-names new_path
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if type -q fish_add_path
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# fish 3.2.0 or newer
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fish_add_path --prepend --global $new_path
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else
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# older versions of fish
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if not contains $new_path $fish_user_paths
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set --global fish_user_paths $new_path $fish_user_paths
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end
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end
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end
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if test -n "$HOME" && test -n "$USER"
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# Set up the per-user profile.
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set NIX_LINK $HOME/.nix-profile
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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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set --export NIX_PROFILES "@localstatedir@/nix/profiles/default $HOME/.nix-profile"
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# Populate bash completions, .desktop files, etc
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if test -z "$XDG_DATA_DIRS"
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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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set --export XDG_DATA_DIRS "/usr/local/share:/usr/share:$NIX_LINK/share:/nix/var/nix/profiles/default/share"
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else
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set --export XDG_DATA_DIRS "$XDG_DATA_DIRS:$NIX_LINK/share:/nix/var/nix/profiles/default/share"
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end
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# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
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if test -n "$NIX_SSH_CERT_FILE"
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: # Allow users to override the NIX_SSL_CERT_FILE
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else if test -e /etc/ssl/certs/ca-certificates.crt # NixOS, Ubuntu, Debian, Gentoo, Arch
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set --export NIX_SSL_CERT_FILE /etc/ssl/certs/ca-certificates.crt
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else if test -e /etc/ssl/ca-bundle.pem # openSUSE Tumbleweed
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set --export NIX_SSL_CERT_FILE /etc/ssl/ca-bundle.pem
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else if test -e /etc/ssl/certs/ca-bundle.crt # Old NixOS
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set --export NIX_SSL_CERT_FILE /etc/ssl/certs/ca-bundle.crt
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else if test -e /etc/pki/tls/certs/ca-bundle.crt # Fedora, CentOS
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set --export NIX_SSL_CERT_FILE /etc/pki/tls/certs/ca-bundle.crt
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else if test -e "$NIX_LINK/etc/ssl/certs/ca-bundle.crt" # fall back to cacert in Nix profile
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set --export NIX_SSL_CERT_FILE "$NIX_LINK/etc/ssl/certs/ca-bundle.crt"
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else if test -e "$NIX_LINK/etc/ca-bundle.crt" # old cacert in Nix profile
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set --export NIX_SSL_CERT_FILE "$NIX_LINK/etc/ca-bundle.crt"
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end
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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 $PATH. For more info, run `manpath -d`.
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if set --query MANPATH
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set --export --prepend --path MANPATH "$NIX_LINK/share/man"
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end
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add_path "$NIX_LINK/bin"
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set --erase NIX_LINK
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end
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functions -e add_path
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