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62 lines
2.2 KiB
Nix
62 lines
2.2 KiB
Nix
{ lib, config, pkgs, ... }:
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{
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options.swarselmodules.nix-index = lib.mkEnableOption "nix-index settings";
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config = lib.mkIf config.swarselmodules.nix-index {
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programs.nix-index =
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let
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commandNotFound = pkgs.runCommandLocal "command-not-found.sh" { } ''
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mkdir -p $out/etc/profile.d
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cat > $out/etc/profile.d/command-not-found.sh <<'EOF'
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# Adapted from https://github.com/bennofs/nix-index/blob/master/command-not-found.sh
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command_not_found_handle() {
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if [ -n "''${MC_SID-}" ] || ! [ -t 1 ]; then
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>&2 echo "$1: command not found"
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return 127
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fi
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echo -n "searching nix-index..."
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ATTRS=$(@nix-locate@ --minimal --no-group --type x --type s --whole-name --at-root "/bin/$1")
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case $(echo -n "$ATTRS" | grep -c "^") in
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0)
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>&2 echo -ne "$(@tput@ el1)\r"
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>&2 echo "$1: command not found"
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;;
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*)
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>&2 echo -ne "$(@tput@ el1)\r"
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>&2 echo "The program ‘$(@tput@ setaf 4)$1$(@tput@ sgr0)’ is currently not installed."
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>&2 echo "It is provided by the following derivation(s):"
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while read -r ATTR; do
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ATTR=''${ATTR%.out}
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>&2 echo " $(@tput@ setaf 12)nixpkgs#$(@tput@ setaf 4)$ATTR$(@tput@ sgr0)"
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done <<< "$ATTRS"
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;;
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esac
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return 127
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}
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command_not_found_handler() {
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command_not_found_handle "$@"
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return $?
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}
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EOF
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substitute $out/etc/profile.d/command-not-found.sh \
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$out/etc/profile.d/command-not-found.sh \
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--replace-fail @nix-locate@ ${pkgs.nix-index}/bin/nix-locate \
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--replace-fail @tput@ ${pkgs.ncurses}/bin/tput
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'';
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in
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{
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enable = true;
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package = pkgs.symlinkJoin {
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name = "nix-index";
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paths = [ commandNotFound ];
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};
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};
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programs.nix-index-database.comma.enable = true;
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};
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}
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