From cd0f4852eaac1adf26fadbc1dda4b98bc79d0f2c Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Fri, 15 Apr 2022 15:02:05 +0300
Subject: [PATCH] remove prebuilt cache

it increases the closure size and limits the system we support
in the future we can implement this better in the script
---
 ,                | 12 +-----------
 README.md        |  5 +++++
 default.nix      | 33 ---------------------------------
 flake.nix        |  8 --------
 update-index.nix | 27 ---------------------------
 5 files changed, 6 insertions(+), 79 deletions(-)
 delete mode 100644 update-index.nix

diff --git a/, b/,
index a07cd4d..a59571f 100755
--- a/,
+++ b/,
@@ -25,20 +25,10 @@ fi
 if [[ "$1" == "--install" ]] || [[ "$1" == "-i" ]]; then
   install=1
   shift
-elif [[ "$1" == "--update" ]] || [[ "$1" == "-u" ]]; then
-  ${UPDATE_SCRIPT}
-  exit
 else
   install=""
 fi
 
-# if a nix-index exists locally; use that as it's likely much more recent
-# than the prebuilt one.
-database=$PREBUILT_NIX_INDEX_DB
-if [ -f "${HOME}/.cache/nix-index/files" ]; then
-    database="${HOME}/.cache/nix-index"
-fi
-
 argv0=$1; shift
 
 case "${argv0}" in
@@ -46,7 +36,7 @@ case "${argv0}" in
     attr="${argv0}"
     ;;
   *)
-    attr="$(nix-locate --db "${database}" --top-level --minimal --at-root --whole-name "/bin/${argv0}")"
+    attr="$(nix-locate  --top-level --minimal --at-root --whole-name "/bin/${argv0}")"
     if [[ "$(echo "${attr}" | wc -l)" -ne 1 ]]; then
       attr="$(echo "${attr}" | "${picker}")"
     fi
diff --git a/README.md b/README.md
index e7a1596..849d656 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,8 @@ YouTube](https://www.youtube.com/watch?v=VUM3Km_4gUg&list=PLRGI9KQ3_HP_OFRG6R-p4
 ```bash
 , cowsay neato
 ```
+
+
+## Prebuilt index
+
+https://github.com/Mic92/nix-index-database
diff --git a/default.nix b/default.nix
index 8e16a2b..5fe9a69 100644
--- a/default.nix
+++ b/default.nix
@@ -3,13 +3,9 @@
 , stdenv ? pkgs.stdenv
 , lib ? pkgs.lib
 , fetchurl ? pkgs.fetchurl
-, nix-index ? pkgs.nix-index
 , nix ? pkgs.nix
 , fzy ? pkgs.fzy
 , makeWrapper ? pkgs.makeWrapper
-, runCommand ? pkgs.runCommand
-, updateScript ? import ./update-index.nix { inherit pkgs; }
-, linkFarm ? pkgs.linkFarm
 
 # We use this to add matchers for stuff that's not in upstream nixpkgs, but is
 # in our own overlay. No fuzzy matching from multiple options here, it's just:
@@ -17,36 +13,11 @@
 , overlayPackages ? []
 }:
 
-let
-  indexCaches = {
-    x86_64-linux = fetchurl {
-      url = "https://github.com/Mic92/nix-index-database/releases/download/2021-12-12/index-x86_64-linux";
-      hash = "sha256-+SoG5Qz2KWA/nIWXE6SLpdi8MDqTs8LY90fGZxGKOiA=";
-    };
-
-    x86_64-darwin = fetchurl {
-      url = "https://github.com/Mic92/nix-index-database/releases/download/2022-02-27/index-x86_64-darwin";
-      hash = "sha256-sHGUSjd6EOpzdWtS5FGtTkS9KEKvDCGMHTYVwxOkZIo=";
-    };
-  };
-
-  # nix-index takes a little while to run and the contents don't change
-  # meaningfully very often.
-  indexCache = indexCaches.${stdenv.hostPlatform.system} or (throw "unsupported system: ${stdenv.hostPlatform.system}");
-
-  # nix-locate needs the --db argument to be a directory containing a file
-  # named "files".
-  nixIndexDB = linkFarm "nix-index-cache" [
-    { name = "files"; path = indexCache; }
-  ];
-
-in
 stdenv.mkDerivation rec {
   name = "comma";
 
   src = ./.;
 
-  buildInputs = [ nix-index nix fzy ];
   nativeBuildInputs = [ makeWrapper ];
 
   installPhase = let
@@ -56,10 +27,6 @@ stdenv.mkDerivation rec {
     sed -e 's/@OVERLAY_PACKAGES@/${caseCondition}/' < , > $out/bin/,
     chmod +x $out/bin/,
     wrapProgram $out/bin/, \
-      --set PREBUILT_NIX_INDEX_DB ${nixIndexDB} \
-      --set NIXPKGS ${pkgs.path} \
-      --set UPDATE_SCRIPT ${updateScript} \
-      --prefix PATH : ${nix-index}/bin \
       --prefix PATH : ${nix}/bin \
       --prefix PATH : ${fzy}/bin
 
diff --git a/flake.nix b/flake.nix
index 8bf4926..01bb93f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,18 +19,10 @@
       (system: pkgs: {
         comma = import ./default.nix {
           inherit pkgs;
-          updateScript = apps."${system}".update-index.program;
         };
       });
 
     defaultPackage = forAllSystems (system: pkgs: packages."${system}".comma);
 
-    apps = forAllSystems
-      (system: pkgs: {
-        update-index = {
-          type = "app";
-          program = b.toString (pkgs.callPackage ./update-index.nix {});
-        };
-      });
   };
 }
diff --git a/update-index.nix b/update-index.nix
deleted file mode 100644
index 47a89dc..0000000
--- a/update-index.nix
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  pkgs ? import <nixpkgs> {},
-
-  coreutils ? pkgs.coreutils,
-  gnugrep ? pkgs.gnugrep,
-  lib ? pkgs.lib,
-  nix-index ? pkgs.nix-index,
-  writeScript ? pkgs.writeScript,
-}:
-
-writeScript "update-index" ''
-  PATH=${lib.makeBinPath [
-    coreutils
-    gnugrep
-    nix-index
-  ]}
-
-  # on flake based installations nixpkgs is specified via
-  # flake input and therefore NIX_PATH might be unset
-  if echo $NIX_PATH | grep -q "nixpkgs="; then
-    nixpkgs=""
-  else
-    nixpkgs="-I nixpkgs=${pkgs.path}"
-  fi
-
-  nix-index -d $HOME/.cache/nix-index -f $nixpkgs
-''