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Diffstat (limited to 'users/riking/dotfiles/fish/conf.d/nix-env.fish')
| -rw-r--r-- | users/riking/dotfiles/fish/conf.d/nix-env.fish | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/users/riking/dotfiles/fish/conf.d/nix-env.fish b/users/riking/dotfiles/fish/conf.d/nix-env.fish deleted file mode 100644 index 6f79f9752855..000000000000 --- a/users/riking/dotfiles/fish/conf.d/nix-env.fish +++ /dev/null @@ -1,141 +0,0 @@ -# SPDX-License-Identifier: Unlicense -# https://raw.githubusercontent.com/lilyball/nix-env.fish/master/conf.d/nix-env.fish - -# Setup Nix - -# We need to distinguish between single-user and multi-user installs. -# This is difficult because there's no official way to do this. -# We could look for the presence of /nix/var/nix/daemon-socket/socket but this will fail if the -# daemon hasn't started yet. /nix/var/nix/daemon-socket will exist if the daemon has ever run, but -# I don't think there's any protection against accidentally running `nix-daemon` as a user. -# We also can't just look for /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh because -# older single-user installs used the default profile instead of a per-user profile. -# We can still check for it first, because all multi-user installs should have it, and so if it's -# not present that's a pretty big indicator that this is a single-user install. If it does exist, -# we still need to verify the install type. To that end we'll look for a root owner and sticky bit -# on /nix/store. Multi-user installs set both, single-user installs don't. It's certainly possible -# someone could do a single-user install as root and then manually set the sticky bit but that -# would be extremely unusual. - -set -l nix_profile_path /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh -set -l single_user_profile_path ~/.nix-profile/etc/profile.d/nix.sh -if test -e $nix_profile_path - # The path exists. Double-check that this is a multi-user install. - # We can't just check for ~/.nix-profile/… because this may be a single-user install running as - # the wrong user. - - # stat is not portable. Splitting the output of ls -nd is reliable on most platforms. - set -l owner (string split -n ' ' (ls -nd /nix/store 2>/dev/null))[3] - if not test -k /nix/store -a $owner -eq 0 - # /nix/store is either not owned by root or not sticky. Assume single-user. - set nix_profile_path $single_user_profile_path - end -else - # The path doesn't exist. Assume single-user - set nix_profile_path $single_user_profile_path -end - -if test -e $nix_profile_path - # Source the nix setup script - # We're going to run the regular Nix profile under bash and then print out a few variables - for line in (env -u BASH_ENV bash -c '. "$0"; for name in PATH "${!NIX_@}"; do printf "%s=%s\0" "$name" "${!name}"; done' $nix_profile_path | string split0) - set -xg (string split -m 1 = $line) - end - - # Insert Nix's fish share directories into fish's special variables. - # nixpkgs-installed fish tries to set these up already if NIX_PROFILES is defined, which won't - # be the case when sourcing $__fish_data_dir/share/config.fish normally, but might be for a - # recursive invocation. To guard against that, we'll only insert paths that don't already exit. - # Furthermore, for the vendor_conf.d sourcing, we'll use the pre-existing presence of a path in - # $fish_function_path to determine whether we want to source the relevant vendor_conf.d folder. - - # To start, let's locally define NIX_PROFILES if it doesn't already exist. - set -al NIX_PROFILES - if test (count $NIX_PROFILES) -eq 0 - set -a NIX_PROFILES $HOME/.nix-profile - end - # Replicate the logic from nixpkgs version of $__fish_data_dir/__fish_build_paths.fish. - set -l __nix_profile_paths (string split ' ' -- $NIX_PROFILES)[-1..1] - set -l __extra_completionsdir \ - $__nix_profile_paths/etc/fish/completions \ - $__nix_profile_paths/share/fish/vendor_completions.d - set -l __extra_functionsdir \ - $__nix_profile_paths/etc/fish/functions \ - $__nix_profile_paths/share/fish/vendor_functions.d - set -l __extra_confdir \ - $__nix_profile_paths/etc/fish/conf.d \ - $__nix_profile_paths/share/fish/vendor_conf.d \ - - ### Configure fish_function_path ### - # Remove any of our extra paths that may already exist. - # Record the equivalent __extra_confdir path for any function path that exists. - set -l existing_conf_paths - for path in $__extra_functionsdir - if set -l idx (contains --index -- $path $fish_function_path) - set -e fish_function_path[$idx] - set -a existing_conf_paths $__extra_confdir[(contains --index -- $path $__extra_functionsdir)] - end - end - # Insert the paths before $__fish_data_dir. - if set -l idx (contains --index -- $__fish_data_dir/functions $fish_function_path) - # Fish has no way to simply insert into the middle of an array. - set -l new_path $fish_function_path[1..$idx] - set -e new_path[$idx] - set -a new_path $__extra_functionsdir - set fish_function_path $new_path $fish_function_path[$idx..-1] - else - set -a fish_function_path $__extra_functionsdir - end - - ### Configure fish_complete_path ### - # Remove any of our extra paths that may already exist. - for path in $__extra_completionsdir - if set -l idx (contains --index -- $path $fish_complete_path) - set -e fish_complete_path[$idx] - end - end - # Insert the paths before $__fish_data_dir. - if set -l idx (contains --index -- $__fish_data_dir/completions $fish_complete_path) - set -l new_path $fish_complete_path[1..$idx] - set -e new_path[$idx] - set -a new_path $__extra_completionsdir - set fish_complete_path $new_path $fish_complete_path[$idx..-1] - else - set -a fish_complete_path $__extra_completionsdir - end - - ### Source conf directories ### - # The built-in directories were already sourced during shell initialization. - # Any __extra_confdir that came from $__fish_data_dir/__fish_build_paths.fish was also sourced. - # As explained above, we're using the presence of pre-existing paths in $fish_function_path as a - # signal that the corresponding conf dir has also already been sourced. - # In order to simulate this, we'll run through the same algorithm as found in - # $__fish_data_dir/config.fish except we'll avoid sourcing the file if it comes from an - # already-sourced location. - # Caveats: - # * Files will be sourced in a different order than we'd ideally do (because we're coming in - # after the fact to source them). - # * If there are existing extra conf paths, files in them may have been sourced that should have - # been suppressed by paths we're inserting in front. - # * Similarly any files in $__fish_data_dir/vendor_conf.d that should have been suppressed won't - # have been. - set -l sourcelist - for file in $__fish_config_dir/conf.d/*.fish $__fish_sysconf_dir/conf.d/*.fish - # We know these paths were sourced already. Just record them. - set -l basename (string replace -r '^.*/' '' -- $file) - contains -- $basename $sourcelist - or set -a sourcelist $basename - end - for root in $__extra_confdir - for file in $root/*.fish - set -l basename (string replace -r '^.*/' '' -- $file) - contains -- $basename $sourcelist - and continue - set -a sourcelist $basename - contains -- $root $existing_conf_paths - and continue # this is a pre-existing path, it will have been sourced already - [ -f $file -a -r $file ] - and source $file - end - end -end |