Minify packages.json

New apt list does not have Package: as the first entry for all packages

pkgs/intel-oneapi/2023.nix

@@ -35,35 +35,18 @@ let
     mpi      = "2021.9.0";
   };
 
-  aptPackageIndex = stdenv.mkDerivation {
-    name = "intel-oneapi-packages";
-    srcs = [
-      # Run update.sh to update the package lists
-      ./amd64-packages ./all-packages
-    ];
-    phases = [ "installPhase" ];
-    installPhase = ''
-      awk -F': ' '\
-        BEGIN   { print "[ {" } \
-        NF==0 { empty=1; } \
-        NF && empty { print "} {"; empty=0; } \
-        /: /    { printf "%s = \"%s\";\n", $1, $2 } \
-        END     { print "} ]" }' $srcs > $out
-    '';
-  };
-
   findMatch = name:
   let
-    aptPackages = import aptPackageIndex;
-    matches = lib.filter (x: name == x.Package) aptPackages;
+    aptPackages = builtins.fromJSON (builtins.readFile ./packages.json);
+    matches = lib.filter (x: name == x.pname) aptPackages;
     n = lib.length matches;
     match = builtins.traceVerbose (name + " -- ${builtins.toString n}") (builtins.head matches);
 
     apthost = "https://apt.repos.intel.com/oneapi/";
   in
     {
-      url = apthost + match.Filename;
-      sha256 = match.SHA256;
+      url = apthost + match.filename;
+      sha256 = match.sha256;
     };
 
   uncompressDebs = debs: name: stdenv.mkDerivation {

pkgs/intel-oneapi/process.jq

@@ -11,7 +11,7 @@ def extract_fields: {
     } ;
 
 # parses dependencies into a list of [{.pname, .kind, .version}]
-# some dependencies do not have a version specified, in which case, version = version = null
+# some dependencies do not have a version specified, in which case, kind = version = null
 #
 # example dependencies:
 # intel-oneapi-common-vars (>= 2023.0.0-25325), intel-oneapi-common-licensing-2023.0.0

pkgs/intel-oneapi/update.sh

@@ -1,6 +1,11 @@
 #!/bin/sh
 
-curl https://apt.repos.intel.com/oneapi/dists/all/main/binary-amd64/Packages -o amd64-packages
-curl https://apt.repos.intel.com/oneapi/dists/all/main/binary-all/Packages -o all-packages
+out_64=$(mktemp intel-api.64.XXXXXX)
+out_all=$(mktemp intel-api.all.XXXXXX)
+trap 'rm -f "$out_64" "$out_all"' EXIT INT HUP
 
-cat amd64-packages all-packages | ./toJson.awk | ./process.jq >packages.json
+curl https://apt.repos.intel.com/oneapi/dists/all/main/binary-amd64/Packages -o "$out_64"
+curl https://apt.repos.intel.com/oneapi/dists/all/main/binary-all/Packages -o "$out_all"
+
+# NOTE: we use `jq -r tostring` to minify the json (3.2Mb -> 2.3Mb)
+cat "$out_64" "$out_all" | ./toJson.awk | ./process.jq | jq -r tostring >packages.json