Reformat nix files

16 files changed, 634 insertions, 624 deletions

diff --git a/system/modules/nextdns.nix b/system/modules/nextdns.nix
index fabfb7cc..b6e33728 100644
--- a/system/modules/nextdns.nix
+++ b/system/modules/nextdns.nix
@@ -14,20 +14,20 @@ let
     extraConfig = ''
       modules = { 'hints > iterate' }
       localTrees = policy.todnames({
-        'lan.',
-        'home.',
-        '10.in-addr.arpa.',
-        '172.in-addr.arpa.',
-        '192.in-addr.arpa.'
+      'lan.',
+      'home.',
+      '10.in-addr.arpa.',
+      '172.in-addr.arpa.',
+      '192.in-addr.arpa.'
       })
       hints.add_hosts()
       policy.add(policy.suffix(policy.FLAGS({'NO_CACHE'}), localTrees))
       policy.add(policy.suffix(policy.STUB({ '192.168.0.1', '192.168.1.1', '172.30.42.1', '10.0.0.1' }), localTrees))
       policy.add(policy.all(policy.TLS_FORWARD({
-        {'45.90.28.0', hostname='${identifyingPrefix}${cfg.configID}.dns1.nextdns.io'},
-        {'2a07:a8c0::', hostname='${identifyingPrefix}${cfg.configID}.dns1.nextdns.io'},
-        {'45.90.30.0', hostname='${identifyingPrefix}${cfg.configID}.dns2.nextdns.io'},
-        {'2a07:a8c1::', hostname='${identifyingPrefix}${cfg.configID}.dns2.nextdns.io'}
+      {'45.90.28.0', hostname='${identifyingPrefix}${cfg.configID}.dns1.nextdns.io'},
+      {'2a07:a8c0::', hostname='${identifyingPrefix}${cfg.configID}.dns1.nextdns.io'},
+      {'45.90.30.0', hostname='${identifyingPrefix}${cfg.configID}.dns2.nextdns.io'},
+      {'2a07:a8c1::', hostname='${identifyingPrefix}${cfg.configID}.dns2.nextdns.io'}
       })))
     '';
   };
diff --git a/system/settings/gaming.nix b/system/settings/gaming.nix
index 493a201e..139210cf 100644
--- a/system/settings/gaming.nix
+++ b/system/settings/gaming.nix
@@ -71,6 +71,12 @@
     "context.properties" = {
       "log.level" = 2;
     };
+    "pulse.properties" = {
+      "server.address" = [
+        "unix:native"
+        "tcp:127.0.0.1:4713"
+      ];
+    };
     "context.modules" = [
       {
         name = "libpipewire-module-rtkit";
@@ -96,7 +102,7 @@
           "pulse.max.quantum" = "32/48000";
           "server.address" = [
             "unix:native"
-            "tcp:[::1]:4713"
+            "tcp:127.0.0.1:4713"
           ];
         };
       }
diff --git a/system/settings/hardware/adb.nix b/system/settings/hardware/adb.nix
index 8b511f55..0c27b380 100644
--- a/system/settings/hardware/adb.nix
+++ b/system/settings/hardware/adb.nix
@@ -1,9 +1,10 @@
 { config, pkgs, ... }:
 
-{ programs.adb.enable = true;
+{
+  programs.adb.enable = true;
   users.groups.adbusers = {};
 
   services.udev = {
-   packages = [ pkgs.android-udev-rules ];
+    packages = [ pkgs.android-udev-rules ];
   };
 }
diff --git a/system/settings/hardware/nvidia-gpu.nix b/system/settings/hardware/nvidia-gpu.nix
index 3c099e42..052cd678 100644
--- a/system/settings/hardware/nvidia-gpu.nix
+++ b/system/settings/hardware/nvidia-gpu.nix
@@ -2,7 +2,9 @@
 
 let
   nvidia_x11 = config.boot.kernelPackages.nvidia_x11;
-in { services.xserver.videoDrivers = [ "nvidia" ];
+in
+{
+  services.xserver.videoDrivers = [ "nvidia" ];
   boot = {
     blacklistedKernelModules = [ "nouveau" ];
     extraModulePackages = [ nvidia_x11 ];
diff --git a/system/settings/kubernetes.nix b/system/settings/kubernetes.nix
index 692e46d6..68bcb627 100644
--- a/system/settings/kubernetes.nix
+++ b/system/settings/kubernetes.nix
@@ -7,9 +7,10 @@
   networking.interfaces = {
     cbr0 = {
       ipv4.addresses = [
-      { address = "10.10.0.1";
-        prefixLength = 24;
-      }
+        {
+          address = "10.10.0.1";
+          prefixLength = 24;
+        }
       ];
     };
   };
diff --git a/system/settings/programs/shell.nix b/system/settings/programs/shell.nix
index edc39d0e..bf8fc3aa 100644
--- a/system/settings/programs/shell.nix
+++ b/system/settings/programs/shell.nix
@@ -1,10 +1,11 @@
 { config, pkgs, ... }:
 
-{ programs.zsh = {
+{
+  programs.zsh = {
     enable = true;
     promptInit = "";
-} // (if pkgs.stdenv.isDarwin then {} else {
-  enableGlobalCompInit = false;
-});
+  } // (if pkgs.stdenv.isDarwin then {} else {
+    enableGlobalCompInit = false;
+  });
   programs.bash.enableCompletion = true;
 }
diff --git a/system/settings/programs/window-manager.nix b/system/settings/programs/window-manager.nix
index c3e89709..b2d94929 100644
--- a/system/settings/programs/window-manager.nix
+++ b/system/settings/programs/window-manager.nix
@@ -1,27 +1,28 @@
 { config, pkgs, ... }:
 
-{ services.xserver = {
-   desktopManager.xterm.enable = false;
+{
+  services.xserver = {
+    desktopManager.xterm.enable = false;
 
-   displayManager = {
-     autoLogin = {
-       user = "alan";
-       enable = false;
-     };
-     lightdm = {
-       enable = true;
-       greeter.enable = true;
-       greeters.mini = {
-         enable = false;
-         user = "alan";
-       };
-     };
-     sessionCommands = ''
-       ${pkgs.xorg.xrdb}/bin/xrdb -merge $HOME/.xresources/main
-       ${pkgs.xorg.xsetroot}/bin/xsetroot -cursor_name left_ptr -solid '#4d4d4c'
-       ${pkgs.networkmanagerapplet}/bin/nm-applet &
-     '';
-   };
+    displayManager = {
+      autoLogin = {
+        user = "alan";
+        enable = false;
+      };
+      lightdm = {
+        enable = true;
+        greeter.enable = true;
+        greeters.mini = {
+          enable = false;
+          user = "alan";
+        };
+      };
+      sessionCommands = ''
+        ${pkgs.xorg.xrdb}/bin/xrdb -merge $HOME/.xresources/main
+        ${pkgs.xorg.xsetroot}/bin/xsetroot -cursor_name left_ptr -solid '#4d4d4c'
+        ${pkgs.networkmanagerapplet}/bin/nm-applet &
+      '';
+    };
     xautolock = {
       enable = true;
       locker = "${pkgs.i3lock}/bin/i3lock -n";
@@ -33,11 +34,11 @@
 
   services.xserver.displayManager.setupCommands = ''
     ${pkgs.redshift}/bin/redshift \
-      -l ${toString config.location.latitude}:${toString config.location.longitude} \
-      -t ${toString config.services.redshift.temperature.day}:${toString config.services.redshift.temperature.night} \
-      -b 1:1 \
-      -o \
-      -r
+    -l ${toString config.location.latitude}:${toString config.location.longitude} \
+    -t ${toString config.services.redshift.temperature.day}:${toString config.services.redshift.temperature.night} \
+    -b 1:1 \
+    -o \
+    -r
   '';
 
   environment.systemPackages = with pkgs; [
diff --git a/system/settings/satoshipay.nix b/system/settings/satoshipay.nix
index 7155902c..9e185570 100644
--- a/system/settings/satoshipay.nix
+++ b/system/settings/satoshipay.nix
@@ -9,8 +9,9 @@ let
     };
   };
 in
-{ virtualisation = {
-  docker = {
+{
+  virtualisation = {
+    docker = {
       enable = true;
       enableOnBoot = false;
       liveRestore = false;
diff --git a/system/settings/services/airplay-sink.nix b/system/settings/services/airplay-sink.nix
index 36fde9b4..617adaa2 100644
--- a/system/settings/services/airplay-sink.nix
+++ b/system/settings/services/airplay-sink.nix
@@ -6,4 +6,5 @@
     enable = true;
     group = "pipewire";
   };
+  systemd.services.shairport-sync.serviceConfig.Environment = "PULSE_SERVER=tcp:127.0.0.1:4713";
 }
diff --git a/user/modules/tabnine.nix b/user/modules/tabnine.nix
index 1eef84ae..16065ab1 100644
--- a/user/modules/tabnine.nix
+++ b/user/modules/tabnine.nix
@@ -6,18 +6,18 @@ let
   inherit (pkgs) stdenv;
   cfg = config.programs.tabnine;
   lspConfigFile = config:
-    pkgs.runCommand "TabNine.toml"
-      {
-         buildInputs = [ pkgs.remarshal ];
-         preferLocalBuild = true;
-         allowSubstitutes = false;
-      }
-      ''
-        remarshal -if json -of toml \
-          < ${pkgs.writeText "config.json" (builtins.toJSON cfg.lspConfig)} \
-          | sed  -e 's/^\["\(.*\)"\]/[\1]/' \
-          > $out
-      '';
+  pkgs.runCommand "TabNine.toml"
+  {
+    buildInputs = [ pkgs.remarshal ];
+    preferLocalBuild = true;
+    allowSubstitutes = false;
+  }
+  ''
+    remarshal -if json -of toml \
+    < ${pkgs.writeText "config.json" (builtins.toJSON cfg.lspConfig)} \
+    | sed  -e 's/^\["\(.*\)"\]/[\1]/' \
+    > $out
+  '';
 in
 {
 
diff --git a/user/packages/node2nix/default.nix b/user/packages/node2nix/default.nix
index 6bbc4310..66f82712 100644
--- a/user/packages/node2nix/default.nix
+++ b/user/packages/node2nix/default.nix
@@ -1,8 +1,8 @@
 # This file has been generated by node2nix 1.11.1. Do not edit!
 
 {pkgs ? import <nixpkgs> {
-    inherit system;
-  }, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-18_x"}:
+  inherit system;
+}, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-18_x"}:
 
 let
   nodeEnv = import ./node-env.nix {
diff --git a/user/packages/node2nix/node-env.nix b/user/packages/node2nix/node-env.nix
index 5dad9ec6..0dd75272 100644
--- a/user/packages/node2nix/node-env.nix
+++ b/user/packages/node2nix/node-env.nix
@@ -40,9 +40,9 @@ let
       '';
     };
 
-  # Common shell logic
-  installPackage = writeShellScript "install-package" ''
-    installPackage() {
+    # Common shell logic
+    installPackage = writeShellScript "install-package" ''
+      installPackage() {
       local packageName=$1 src=$2
 
       local strippedName
@@ -57,59 +57,59 @@ let
 
       if [ -f "$src" ]
       then
-          # Figure out what directory has been unpacked
-          packageDir="$(find . -maxdepth 1 -type d | tail -1)"
+      # Figure out what directory has been unpacked
+      packageDir="$(find . -maxdepth 1 -type d | tail -1)"
 
-          # Restore write permissions to make building work
-          find "$packageDir" -type d -exec chmod u+x {} \;
-          chmod -R u+w "$packageDir"
+      # Restore write permissions to make building work
+      find "$packageDir" -type d -exec chmod u+x {} \;
+      chmod -R u+w "$packageDir"
 
-          # Move the extracted tarball into the output folder
-          mv "$packageDir" "$DIR/$packageName"
+      # Move the extracted tarball into the output folder
+      mv "$packageDir" "$DIR/$packageName"
       elif [ -d "$src" ]
       then
-          # Get a stripped name (without hash) of the source directory.
-          # On old nixpkgs it's already set internally.
-          if [ -z "$strippedName" ]
-          then
-              strippedName="$(stripHash $src)"
-          fi
+      # Get a stripped name (without hash) of the source directory.
+      # On old nixpkgs it's already set internally.
+      if [ -z "$strippedName" ]
+      then
+      strippedName="$(stripHash $src)"
+      fi
 
-          # Restore write permissions to make building work
-          chmod -R u+w "$strippedName"
+      # Restore write permissions to make building work
+      chmod -R u+w "$strippedName"
 
-          # Move the extracted directory into the output folder
-          mv "$strippedName" "$DIR/$packageName"
+      # Move the extracted directory into the output folder
+      mv "$strippedName" "$DIR/$packageName"
       fi
 
       # Change to the package directory to install dependencies
       cd "$DIR/$packageName"
-    }
-  '';
+      }
+    '';
 
-  # Bundle the dependencies of the package
-  #
-  # Only include dependencies if they don't exist. They may also be bundled in the package.
-  includeDependencies = {dependencies}:
+    # Bundle the dependencies of the package
+    #
+    # Only include dependencies if they don't exist. They may also be bundled in the package.
+    includeDependencies = {dependencies}:
     lib.optionalString (dependencies != []) (
       ''
         mkdir -p node_modules
         cd node_modules
       ''
       + (lib.concatMapStrings (dependency:
-        ''
-          if [ ! -e "${dependency.packageName}" ]; then
-              ${composePackage dependency}
-          fi
-        ''
+      ''
+        if [ ! -e "${dependency.packageName}" ]; then
+        ${composePackage dependency}
+        fi
+      ''
       ) dependencies)
       + ''
         cd ..
       ''
     );
 
-  # Recursively composes the dependencies of a package
-  composePackage = { name, packageName, src, dependencies ? [], ... }@args:
+    # Recursively composes the dependencies of a package
+    composePackage = { name, packageName, src, dependencies ? [], ... }@args:
     builtins.addErrorContext "while evaluating node package '${packageName}'" ''
       installPackage "${packageName}" "${src}"
       ${includeDependencies { inherit dependencies; }}
@@ -117,7 +117,7 @@ let
       ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
     '';
 
-  pinpointDependencies = {dependencies, production}:
+    pinpointDependencies = {dependencies, production}:
     let
       pinpointDependenciesFromPackageJSON = writeTextFile {
         name = "pinpointDependencies.js";
@@ -126,35 +126,35 @@ let
           var path = require('path');
 
           function resolveDependencyVersion(location, name) {
-              if(location == process.env['NIX_STORE']) {
-                  return null;
-              } else {
-                  var dependencyPackageJSON = path.join(location, "node_modules", name, "package.json");
-
-                  if(fs.existsSync(dependencyPackageJSON)) {
-                      var dependencyPackageObj = JSON.parse(fs.readFileSync(dependencyPackageJSON));
-
-                      if(dependencyPackageObj.name == name) {
-                          return dependencyPackageObj.version;
-                      }
-                  } else {
-                      return resolveDependencyVersion(path.resolve(location, ".."), name);
-                  }
-              }
+          if(location == process.env['NIX_STORE']) {
+          return null;
+          } else {
+          var dependencyPackageJSON = path.join(location, "node_modules", name, "package.json");
+
+          if(fs.existsSync(dependencyPackageJSON)) {
+          var dependencyPackageObj = JSON.parse(fs.readFileSync(dependencyPackageJSON));
+
+          if(dependencyPackageObj.name == name) {
+          return dependencyPackageObj.version;
+          }
+          } else {
+          return resolveDependencyVersion(path.resolve(location, ".."), name);
+          }
+          }
           }
 
           function replaceDependencies(dependencies) {
-              if(typeof dependencies == "object" && dependencies !== null) {
-                  for(var dependency in dependencies) {
-                      var resolvedVersion = resolveDependencyVersion(process.cwd(), dependency);
-
-                      if(resolvedVersion === null) {
-                          process.stderr.write("WARNING: cannot pinpoint dependency: "+dependency+", context: "+process.cwd()+"\n");
-                      } else {
-                          dependencies[dependency] = resolvedVersion;
-                      }
-                  }
-              }
+          if(typeof dependencies == "object" && dependencies !== null) {
+          for(var dependency in dependencies) {
+          var resolvedVersion = resolveDependencyVersion(process.cwd(), dependency);
+
+          if(resolvedVersion === null) {
+          process.stderr.write("WARNING: cannot pinpoint dependency: "+dependency+", context: "+process.cwd()+"\n");
+          } else {
+          dependencies[dependency] = resolvedVersion;
+          }
+          }
+          }
           }
 
           /* Read the package.json configuration */
@@ -163,10 +163,10 @@ let
           /* Pinpoint all dependencies */
           replaceDependencies(packageObj.dependencies);
           if(process.argv[2] == "development") {
-              replaceDependencies(packageObj.devDependencies);
+          replaceDependencies(packageObj.devDependencies);
           }
           else {
-              packageObj.devDependencies = {};
+          packageObj.devDependencies = {};
           }
           replaceDependencies(packageObj.optionalDependencies);
           replaceDependencies(packageObj.peerDependencies);
@@ -180,503 +180,503 @@ let
       node ${pinpointDependenciesFromPackageJSON} ${if production then "production" else "development"}
 
       ${lib.optionalString (dependencies != [])
-        ''
-          if [ -d node_modules ]
-          then
-              cd node_modules
-              ${lib.concatMapStrings (dependency: pinpointDependenciesOfPackage dependency) dependencies}
-              cd ..
-          fi
-        ''}
+      ''
+        if [ -d node_modules ]
+        then
+        cd node_modules
+        ${lib.concatMapStrings (dependency: pinpointDependenciesOfPackage dependency) dependencies}
+        cd ..
+        fi
+      ''}
     '';
 
-  # Recursively traverses all dependencies of a package and pinpoints all
-  # dependencies in the package.json file to the versions that are actually
-  # being used.
+    # Recursively traverses all dependencies of a package and pinpoints all
+    # dependencies in the package.json file to the versions that are actually
+    # being used.
 
-  pinpointDependenciesOfPackage = { packageName, dependencies ? [], production ? true, ... }@args:
+    pinpointDependenciesOfPackage = { packageName, dependencies ? [], production ? true, ... }@args:
     ''
       if [ -d "${packageName}" ]
       then
-          cd "${packageName}"
-          ${pinpointDependencies { inherit dependencies production; }}
-          cd ..
-          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
+      cd "${packageName}"
+      ${pinpointDependencies { inherit dependencies production; }}
+      cd ..
+      ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
       fi
     '';
 
-  # Extract the Node.js source code which is used to compile packages with
-  # native bindings
-  nodeSources = runCommand "node-sources" {} ''
-    tar --no-same-owner --no-same-permissions -xf ${nodejs.src}
-    mv node-* $out
-  '';
-
-  # Script that adds _integrity fields to all package.json files to prevent NPM from consulting the cache (that is empty)
-  addIntegrityFieldsScript = writeTextFile {
-    name = "addintegrityfields.js";
-    text = ''
-      var fs = require('fs');
-      var path = require('path');
-
-      function augmentDependencies(baseDir, dependencies) {
-          for(var dependencyName in dependencies) {
-              var dependency = dependencies[dependencyName];
-
-              // Open package.json and augment metadata fields
-              var packageJSONDir = path.join(baseDir, "node_modules", dependencyName);
-              var packageJSONPath = path.join(packageJSONDir, "package.json");
-
-              if(fs.existsSync(packageJSONPath)) { // Only augment packages that exist. Sometimes we may have production installs in which development dependencies can be ignored
-                  console.log("Adding metadata fields to: "+packageJSONPath);
-                  var packageObj = JSON.parse(fs.readFileSync(packageJSONPath));
-
-                  if(dependency.integrity) {
-                      packageObj["_integrity"] = dependency.integrity;
-                  } else {
-                      packageObj["_integrity"] = "sha1-000000000000000000000000000="; // When no _integrity string has been provided (e.g. by Git dependencies), add a dummy one. It does not seem to harm and it bypasses downloads.
-                  }
-
-                  if(dependency.resolved) {
-                      packageObj["_resolved"] = dependency.resolved; // Adopt the resolved property if one has been provided
-                  } else {
-                      packageObj["_resolved"] = dependency.version; // Set the resolved version to the version identifier. This prevents NPM from cloning Git repositories.
-                  }
-
-                  if(dependency.from !== undefined) { // Adopt from property if one has been provided
-                      packageObj["_from"] = dependency.from;
-                  }
-
-                  fs.writeFileSync(packageJSONPath, JSON.stringify(packageObj, null, 2));
-              }
-
-              // Augment transitive dependencies
-              if(dependency.dependencies !== undefined) {
-                  augmentDependencies(packageJSONDir, dependency.dependencies);
-              }
-          }
-      }
-
-      if(fs.existsSync("./package-lock.json")) {
-          var packageLock = JSON.parse(fs.readFileSync("./package-lock.json"));
-
-          if(![1, 2].includes(packageLock.lockfileVersion)) {
-            process.stderr.write("Sorry, I only understand lock file versions 1 and 2!\n");
-            process.exit(1);
-          }
-
-          if(packageLock.dependencies !== undefined) {
-              augmentDependencies(".", packageLock.dependencies);
-          }
-      }
+    # Extract the Node.js source code which is used to compile packages with
+    # native bindings
+    nodeSources = runCommand "node-sources" {} ''
+      tar --no-same-owner --no-same-permissions -xf ${nodejs.src}
+      mv node-* $out
     '';
-  };
-
-  # Reconstructs a package-lock file from the node_modules/ folder structure and package.json files with dummy sha1 hashes
-  reconstructPackageLock = writeTextFile {
-    name = "reconstructpackagelock.js";
-    text = ''
-      var fs = require('fs');
-      var path = require('path');
-
-      var packageObj = JSON.parse(fs.readFileSync("package.json"));
-
-      var lockObj = {
-          name: packageObj.name,
-          version: packageObj.version,
-          lockfileVersion: 2,
-          requires: true,
-          packages: {
-              "": {
-                  name: packageObj.name,
-                  version: packageObj.version,
-                  license: packageObj.license,
-                  bin: packageObj.bin,
-                  dependencies: packageObj.dependencies,
-                  engines: packageObj.engines,
-                  optionalDependencies: packageObj.optionalDependencies
-              }
-          },
-          dependencies: {}
-      };
-
-      function augmentPackageJSON(filePath, packages, dependencies) {
-          var packageJSON = path.join(filePath, "package.json");
-          if(fs.existsSync(packageJSON)) {
-              var packageObj = JSON.parse(fs.readFileSync(packageJSON));
-              packages[filePath] = {
-                  version: packageObj.version,
-                  integrity: "sha1-000000000000000000000000000=",
-                  dependencies: packageObj.dependencies,
-                  engines: packageObj.engines,
-                  optionalDependencies: packageObj.optionalDependencies
-              };
-              dependencies[packageObj.name] = {
-                  version: packageObj.version,
-                  integrity: "sha1-000000000000000000000000000=",
-                  dependencies: {}
-              };
-              processDependencies(path.join(filePath, "node_modules"), packages, dependencies[packageObj.name].dependencies);
-          }
-      }
 
-      function processDependencies(dir, packages, dependencies) {
-          if(fs.existsSync(dir)) {
-              var files = fs.readdirSync(dir);
-
-              files.forEach(function(entry) {
-                  var filePath = path.join(dir, entry);
-                  var stats = fs.statSync(filePath);
-
-                  if(stats.isDirectory()) {
-                      if(entry.substr(0, 1) == "@") {
-                          // When we encounter a namespace folder, augment all packages belonging to the scope
-                          var pkgFiles = fs.readdirSync(filePath);
-
-                          pkgFiles.forEach(function(entry) {
-                              if(stats.isDirectory()) {
-                                  var pkgFilePath = path.join(filePath, entry);
-                                  augmentPackageJSON(pkgFilePath, packages, dependencies);
-                              }
-                          });
-                      } else {
-                          augmentPackageJSON(filePath, packages, dependencies);
-                      }
-                  }
-              });
-          }
-      }
+    # Script that adds _integrity fields to all package.json files to prevent NPM from consulting the cache (that is empty)
+    addIntegrityFieldsScript = writeTextFile {
+      name = "addintegrityfields.js";
+      text = ''
+        var fs = require('fs');
+        var path = require('path');
+
+        function augmentDependencies(baseDir, dependencies) {
+        for(var dependencyName in dependencies) {
+        var dependency = dependencies[dependencyName];
+
+        // Open package.json and augment metadata fields
+        var packageJSONDir = path.join(baseDir, "node_modules", dependencyName);
+        var packageJSONPath = path.join(packageJSONDir, "package.json");
+
+        if(fs.existsSync(packageJSONPath)) { // Only augment packages that exist. Sometimes we may have production installs in which development dependencies can be ignored
+        console.log("Adding metadata fields to: "+packageJSONPath);
+        var packageObj = JSON.parse(fs.readFileSync(packageJSONPath));
+
+        if(dependency.integrity) {
+        packageObj["_integrity"] = dependency.integrity;
+        } else {
+        packageObj["_integrity"] = "sha1-000000000000000000000000000="; // When no _integrity string has been provided (e.g. by Git dependencies), add a dummy one. It does not seem to harm and it bypasses downloads.
+        }
+
+        if(dependency.resolved) {
+        packageObj["_resolved"] = dependency.resolved; // Adopt the resolved property if one has been provided
+        } else {
+        packageObj["_resolved"] = dependency.version; // Set the resolved version to the version identifier. This prevents NPM from cloning Git repositories.
+        }
+
+        if(dependency.from !== undefined) { // Adopt from property if one has been provided
+        packageObj["_from"] = dependency.from;
+        }
+
+        fs.writeFileSync(packageJSONPath, JSON.stringify(packageObj, null, 2));
+        }
+
+        // Augment transitive dependencies
+        if(dependency.dependencies !== undefined) {
+        augmentDependencies(packageJSONDir, dependency.dependencies);
+        }
+        }
+        }
+
+        if(fs.existsSync("./package-lock.json")) {
+        var packageLock = JSON.parse(fs.readFileSync("./package-lock.json"));
+
+        if(![1, 2].includes(packageLock.lockfileVersion)) {
+        process.stderr.write("Sorry, I only understand lock file versions 1 and 2!\n");
+        process.exit(1);
+        }
+
+        if(packageLock.dependencies !== undefined) {
+        augmentDependencies(".", packageLock.dependencies);
+        }
+        }
+      '';
+    };
 
-      processDependencies("node_modules", lockObj.packages, lockObj.dependencies);
+    # Reconstructs a package-lock file from the node_modules/ folder structure and package.json files with dummy sha1 hashes
+    reconstructPackageLock = writeTextFile {
+      name = "reconstructpackagelock.js";
+      text = ''
+        var fs = require('fs');
+        var path = require('path');
+
+        var packageObj = JSON.parse(fs.readFileSync("package.json"));
+
+        var lockObj = {
+        name: packageObj.name,
+        version: packageObj.version,
+        lockfileVersion: 2,
+        requires: true,
+        packages: {
+        "": {
+        name: packageObj.name,
+        version: packageObj.version,
+        license: packageObj.license,
+        bin: packageObj.bin,
+        dependencies: packageObj.dependencies,
+        engines: packageObj.engines,
+        optionalDependencies: packageObj.optionalDependencies
+        }
+        },
+        dependencies: {}
+        };
+
+        function augmentPackageJSON(filePath, packages, dependencies) {
+        var packageJSON = path.join(filePath, "package.json");
+        if(fs.existsSync(packageJSON)) {
+        var packageObj = JSON.parse(fs.readFileSync(packageJSON));
+        packages[filePath] = {
+        version: packageObj.version,
+        integrity: "sha1-000000000000000000000000000=",
+        dependencies: packageObj.dependencies,
+        engines: packageObj.engines,
+        optionalDependencies: packageObj.optionalDependencies
+        };
+        dependencies[packageObj.name] = {
+        version: packageObj.version,
+        integrity: "sha1-000000000000000000000000000=",
+        dependencies: {}
+        };
+        processDependencies(path.join(filePath, "node_modules"), packages, dependencies[packageObj.name].dependencies);
+        }
+        }
+
+        function processDependencies(dir, packages, dependencies) {
+        if(fs.existsSync(dir)) {
+        var files = fs.readdirSync(dir);
+
+        files.forEach(function(entry) {
+        var filePath = path.join(dir, entry);
+        var stats = fs.statSync(filePath);
+
+        if(stats.isDirectory()) {
+        if(entry.substr(0, 1) == "@") {
+        // When we encounter a namespace folder, augment all packages belonging to the scope
+        var pkgFiles = fs.readdirSync(filePath);
+
+        pkgFiles.forEach(function(entry) {
+        if(stats.isDirectory()) {
+        var pkgFilePath = path.join(filePath, entry);
+        augmentPackageJSON(pkgFilePath, packages, dependencies);
+        }
+        });
+        } else {
+        augmentPackageJSON(filePath, packages, dependencies);
+        }
+        }
+        });
+        }
+        }
+
+        processDependencies("node_modules", lockObj.packages, lockObj.dependencies);
+
+        fs.writeFileSync("package-lock.json", JSON.stringify(lockObj, null, 2));
+      '';
+    };
 
-      fs.writeFileSync("package-lock.json", JSON.stringify(lockObj, null, 2));
-    '';
-  };
-
-  # Script that links bins defined in package.json to the node_modules bin directory
-  # NPM does not do this for top-level packages itself anymore as of v7
-  linkBinsScript = writeTextFile {
-    name = "linkbins.js";
-    text = ''
-      var fs = require('fs');
-      var path = require('path');
-
-      var packageObj = JSON.parse(fs.readFileSync("package.json"));
-
-      var nodeModules = Array(packageObj.name.split("/").length).fill("..").join(path.sep);
-
-      if(packageObj.bin !== undefined) {
-          fs.mkdirSync(path.join(nodeModules, ".bin"))
-
-          if(typeof packageObj.bin == "object") {
-              Object.keys(packageObj.bin).forEach(function(exe) {
-                  if(fs.existsSync(packageObj.bin[exe])) {
-                      console.log("linking bin '" + exe + "'");
-                      fs.symlinkSync(
-                          path.join("..", packageObj.name, packageObj.bin[exe]),
-                          path.join(nodeModules, ".bin", exe)
-                      );
-                  }
-                  else {
-                      console.log("skipping non-existent bin '" + exe + "'");
-                  }
-              })
-          }
-          else {
-              if(fs.existsSync(packageObj.bin)) {
-                  console.log("linking bin '" + packageObj.bin + "'");
-                  fs.symlinkSync(
-                      path.join("..", packageObj.name, packageObj.bin),
-                      path.join(nodeModules, ".bin", packageObj.name.split("/").pop())
-                  );
-              }
-              else {
-                  console.log("skipping non-existent bin '" + packageObj.bin + "'");
-              }
-          }
-      }
-      else if(packageObj.directories !== undefined && packageObj.directories.bin !== undefined) {
-          fs.mkdirSync(path.join(nodeModules, ".bin"))
-
-          fs.readdirSync(packageObj.directories.bin).forEach(function(exe) {
-              if(fs.existsSync(path.join(packageObj.directories.bin, exe))) {
-                  console.log("linking bin '" + exe + "'");
-                  fs.symlinkSync(
-                      path.join("..", packageObj.name, packageObj.directories.bin, exe),
-                      path.join(nodeModules, ".bin", exe)
-                  );
-              }
-              else {
-                  console.log("skipping non-existent bin '" + exe + "'");
-              }
-          })
-      }
-    '';
-  };
+    # Script that links bins defined in package.json to the node_modules bin directory
+    # NPM does not do this for top-level packages itself anymore as of v7
+    linkBinsScript = writeTextFile {
+      name = "linkbins.js";
+      text = ''
+        var fs = require('fs');
+        var path = require('path');
+
+        var packageObj = JSON.parse(fs.readFileSync("package.json"));
+
+        var nodeModules = Array(packageObj.name.split("/").length).fill("..").join(path.sep);
+
+        if(packageObj.bin !== undefined) {
+        fs.mkdirSync(path.join(nodeModules, ".bin"))
+
+        if(typeof packageObj.bin == "object") {
+        Object.keys(packageObj.bin).forEach(function(exe) {
+        if(fs.existsSync(packageObj.bin[exe])) {
+        console.log("linking bin '" + exe + "'");
+        fs.symlinkSync(
+        path.join("..", packageObj.name, packageObj.bin[exe]),
+        path.join(nodeModules, ".bin", exe)
+        );
+        }
+        else {
+        console.log("skipping non-existent bin '" + exe + "'");
+        }
+        })
+        }
+        else {
+        if(fs.existsSync(packageObj.bin)) {
+        console.log("linking bin '" + packageObj.bin + "'");
+        fs.symlinkSync(
+        path.join("..", packageObj.name, packageObj.bin),
+        path.join(nodeModules, ".bin", packageObj.name.split("/").pop())
+        );
+        }
+        else {
+        console.log("skipping non-existent bin '" + packageObj.bin + "'");
+        }
+        }
+        }
+        else if(packageObj.directories !== undefined && packageObj.directories.bin !== undefined) {
+        fs.mkdirSync(path.join(nodeModules, ".bin"))
+
+        fs.readdirSync(packageObj.directories.bin).forEach(function(exe) {
+        if(fs.existsSync(path.join(packageObj.directories.bin, exe))) {
+        console.log("linking bin '" + exe + "'");
+        fs.symlinkSync(
+        path.join("..", packageObj.name, packageObj.directories.bin, exe),
+        path.join(nodeModules, ".bin", exe)
+        );
+        }
+        else {
+        console.log("skipping non-existent bin '" + exe + "'");
+        }
+        })
+        }
+      '';
+    };
 
-  prepareAndInvokeNPM = {packageName, bypassCache, reconstructLock, npmFlags, production}:
+    prepareAndInvokeNPM = {packageName, bypassCache, reconstructLock, npmFlags, production}:
     let
       forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com";
     in
     ''
-        # Pinpoint the versions of all dependencies to the ones that are actually being used
-        echo "pinpointing versions of dependencies..."
-        source $pinpointDependenciesScriptPath
-
-        # Patch the shebangs of the bundled modules to prevent them from
-        # calling executables outside the Nix store as much as possible
-        patchShebangs .
-
-        # Deploy the Node.js package by running npm install. Since the
-        # dependencies have been provided already by ourselves, it should not
-        # attempt to install them again, which is good, because we want to make
-        # it Nix's responsibility. If it needs to install any dependencies
-        # anyway (e.g. because the dependency parameters are
-        # incomplete/incorrect), it fails.
-        #
-        # The other responsibilities of NPM are kept -- version checks, build
-        # steps, postprocessing etc.
+      # Pinpoint the versions of all dependencies to the ones that are actually being used
+      echo "pinpointing versions of dependencies..."
+      source $pinpointDependenciesScriptPath
+
+      # Patch the shebangs of the bundled modules to prevent them from
+      # calling executables outside the Nix store as much as possible
+      patchShebangs .
+
+      # Deploy the Node.js package by running npm install. Since the
+      # dependencies have been provided already by ourselves, it should not
+      # attempt to install them again, which is good, because we want to make
+      # it Nix's responsibility. If it needs to install any dependencies
+      # anyway (e.g. because the dependency parameters are
+      # incomplete/incorrect), it fails.
+      #
+      # The other responsibilities of NPM are kept -- version checks, build
+      # steps, postprocessing etc.
+
+      export HOME=$TMPDIR
+      cd "${packageName}"
+      runHook preRebuild
+
+      ${lib.optionalString bypassCache ''
+        ${lib.optionalString reconstructLock ''
+          if [ -f package-lock.json ]
+          then
+          echo "WARNING: Reconstruct lock option enabled, but a lock file already exists!"
+          echo "This will most likely result in version mismatches! We will remove the lock file and regenerate it!"
+          rm package-lock.json
+          else
+          echo "No package-lock.json file found, reconstructing..."
+          fi
 
-        export HOME=$TMPDIR
-        cd "${packageName}"
-        runHook preRebuild
-
-        ${lib.optionalString bypassCache ''
-          ${lib.optionalString reconstructLock ''
-            if [ -f package-lock.json ]
-            then
-                echo "WARNING: Reconstruct lock option enabled, but a lock file already exists!"
-                echo "This will most likely result in version mismatches! We will remove the lock file and regenerate it!"
-                rm package-lock.json
-            else
-                echo "No package-lock.json file found, reconstructing..."
-            fi
-
-            node ${reconstructPackageLock}
-          ''}
-
-          node ${addIntegrityFieldsScript}
+          node ${reconstructPackageLock}
         ''}
 
-        npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${lib.optionalString production "--production"} rebuild
+        node ${addIntegrityFieldsScript}
+      ''}
 
-        runHook postRebuild
+      npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${lib.optionalString production "--production"} rebuild
 
-        if [ "''${dontNpmInstall-}" != "1" ]
-        then
-            # NPM tries to download packages even when they already exist if npm-shrinkwrap is used.
-            rm -f npm-shrinkwrap.json
+      runHook postRebuild
 
-            npm ${forceOfflineFlag} --nodedir=${nodeSources} --no-bin-links --ignore-scripts ${npmFlags} ${lib.optionalString production "--production"} install
-        fi
+      if [ "''${dontNpmInstall-}" != "1" ]
+      then
+      # NPM tries to download packages even when they already exist if npm-shrinkwrap is used.
+      rm -f npm-shrinkwrap.json
 
-        # Link executables defined in package.json
-        node ${linkBinsScript}
-    '';
+      npm ${forceOfflineFlag} --nodedir=${nodeSources} --no-bin-links --ignore-scripts ${npmFlags} ${lib.optionalString production "--production"} install
+      fi
 
-  # Builds and composes an NPM package including all its dependencies
-  buildNodePackage =
-    { name
-    , packageName
-    , version ? null
-    , dependencies ? []
-    , buildInputs ? []
-    , production ? true
-    , npmFlags ? ""
-    , dontNpmInstall ? false
-    , bypassCache ? false
-    , reconstructLock ? false
-    , preRebuild ? ""
-    , dontStrip ? true
-    , unpackPhase ? "true"
-    , buildPhase ? "true"
-    , meta ? {}
-    , ... }@args:
+      # Link executables defined in package.json
+      node ${linkBinsScript}
+    '';
 
-    let
-      extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "preRebuild" "unpackPhase" "buildPhase" "meta" ];
-    in
-    stdenv.mkDerivation ({
-      name = "${name}${if version == null then "" else "-${version}"}";
-      buildInputs = [ tarWrapper python nodejs ]
+    # Builds and composes an NPM package including all its dependencies
+    buildNodePackage =
+      { name
+      , packageName
+      , version ? null
+      , dependencies ? []
+      , buildInputs ? []
+      , production ? true
+      , npmFlags ? ""
+      , dontNpmInstall ? false
+      , bypassCache ? false
+      , reconstructLock ? false
+      , preRebuild ? ""
+      , dontStrip ? true
+      , unpackPhase ? "true"
+      , buildPhase ? "true"
+      , meta ? {}
+      , ... }@args:
+
+      let
+        extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "preRebuild" "unpackPhase" "buildPhase" "meta" ];
+      in
+      stdenv.mkDerivation ({
+        name = "${name}${if version == null then "" else "-${version}"}";
+        buildInputs = [ tarWrapper python nodejs ]
         ++ lib.optional (stdenv.isLinux) utillinux
         ++ lib.optional (stdenv.isDarwin) libtool
         ++ buildInputs;
 
-      inherit nodejs;
+        inherit nodejs;
 
-      inherit dontStrip; # Stripping may fail a build for some package deployments
-      inherit dontNpmInstall preRebuild unpackPhase buildPhase;
+        inherit dontStrip; # Stripping may fail a build for some package deployments
+        inherit dontNpmInstall preRebuild unpackPhase buildPhase;
 
-      compositionScript = composePackage args;
-      pinpointDependenciesScript = pinpointDependenciesOfPackage args;
+        compositionScript = composePackage args;
+        pinpointDependenciesScript = pinpointDependenciesOfPackage args;
 
-      passAsFile = [ "compositionScript" "pinpointDependenciesScript" ];
+        passAsFile = [ "compositionScript" "pinpointDependenciesScript" ];
 
-      installPhase = ''
-        source ${installPackage}
-
-        # Create and enter a root node_modules/ folder
-        mkdir -p $out/lib/node_modules
-        cd $out/lib/node_modules
+        installPhase = ''
+          source ${installPackage}
 
-        # Compose the package and all its dependencies
-        source $compositionScriptPath
+          # Create and enter a root node_modules/ folder
+          mkdir -p $out/lib/node_modules
+          cd $out/lib/node_modules
 
-        ${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
+          # Compose the package and all its dependencies
+          source $compositionScriptPath
 
-        # Create symlink to the deployed executable folder, if applicable
-        if [ -d "$out/lib/node_modules/.bin" ]
-        then
-            ln -s $out/lib/node_modules/.bin $out/bin
+          ${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
 
-            # Patch the shebang lines of all the executables
-            ls $out/bin/* | while read i
-            do
-                file="$(readlink -f "$i")"
-                chmod u+rwx "$file"
-                patchShebangs "$file"
-            done
-        fi
+          # Create symlink to the deployed executable folder, if applicable
+          if [ -d "$out/lib/node_modules/.bin" ]
+          then
+          ln -s $out/lib/node_modules/.bin $out/bin
 
-        # Create symlinks to the deployed manual page folders, if applicable
-        if [ -d "$out/lib/node_modules/${packageName}/man" ]
-        then
-            mkdir -p $out/share
-            for dir in "$out/lib/node_modules/${packageName}/man/"*
-            do
-                mkdir -p $out/share/man/$(basename "$dir")
-                for page in "$dir"/*
-                do
-                    ln -s $page $out/share/man/$(basename "$dir")
-                done
-            done
-        fi
+          # Patch the shebang lines of all the executables
+          ls $out/bin/* | while read i
+          do
+          file="$(readlink -f "$i")"
+          chmod u+rwx "$file"
+          patchShebangs "$file"
+          done
+          fi
 
-        # Run post install hook, if provided
-        runHook postInstall
-      '';
+          # Create symlinks to the deployed manual page folders, if applicable
+          if [ -d "$out/lib/node_modules/${packageName}/man" ]
+          then
+          mkdir -p $out/share
+          for dir in "$out/lib/node_modules/${packageName}/man/"*
+          do
+          mkdir -p $out/share/man/$(basename "$dir")
+          for page in "$dir"/*
+          do
+          ln -s $page $out/share/man/$(basename "$dir")
+          done
+          done
+          fi
 
-      meta = {
-        # default to Node.js' platforms
-        platforms = nodejs.meta.platforms;
-      } // meta;
-    } // extraArgs);
-
-  # Builds a node environment (a node_modules folder and a set of binaries)
-  buildNodeDependencies =
-    { name
-    , packageName
-    , version ? null
-    , src
-    , dependencies ? []
-    , buildInputs ? []
-    , production ? true
-    , npmFlags ? ""
-    , dontNpmInstall ? false
-    , bypassCache ? false
-    , reconstructLock ? false
-    , dontStrip ? true
-    , unpackPhase ? "true"
-    , buildPhase ? "true"
-    , ... }@args:
+          # Run post install hook, if provided
+          runHook postInstall
+        '';
 
-    let
-      extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" ];
-    in
-      stdenv.mkDerivation ({
-        name = "node-dependencies-${name}${if version == null then "" else "-${version}"}";
+        meta = {
+          # default to Node.js' platforms
+          platforms = nodejs.meta.platforms;
+        } // meta;
+      } // extraArgs);
 
-        buildInputs = [ tarWrapper python nodejs ]
+      # Builds a node environment (a node_modules folder and a set of binaries)
+      buildNodeDependencies =
+        { name
+        , packageName
+        , version ? null
+        , src
+        , dependencies ? []
+        , buildInputs ? []
+        , production ? true
+        , npmFlags ? ""
+        , dontNpmInstall ? false
+        , bypassCache ? false
+        , reconstructLock ? false
+        , dontStrip ? true
+        , unpackPhase ? "true"
+        , buildPhase ? "true"
+        , ... }@args:
+
+        let
+          extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" ];
+        in
+        stdenv.mkDerivation ({
+          name = "node-dependencies-${name}${if version == null then "" else "-${version}"}";
+
+          buildInputs = [ tarWrapper python nodejs ]
           ++ lib.optional (stdenv.isLinux) utillinux
           ++ lib.optional (stdenv.isDarwin) libtool
           ++ buildInputs;
 
-        inherit dontStrip; # Stripping may fail a build for some package deployments
-        inherit dontNpmInstall unpackPhase buildPhase;
+          inherit dontStrip; # Stripping may fail a build for some package deployments
+          inherit dontNpmInstall unpackPhase buildPhase;
 
-        includeScript = includeDependencies { inherit dependencies; };
-        pinpointDependenciesScript = pinpointDependenciesOfPackage args;
+          includeScript = includeDependencies { inherit dependencies; };
+          pinpointDependenciesScript = pinpointDependenciesOfPackage args;
 
-        passAsFile = [ "includeScript" "pinpointDependenciesScript" ];
+          passAsFile = [ "includeScript" "pinpointDependenciesScript" ];
 
-        installPhase = ''
-          source ${installPackage}
-
-          mkdir -p $out/${packageName}
-          cd $out/${packageName}
+          installPhase = ''
+            source ${installPackage}
 
-          source $includeScriptPath
+            mkdir -p $out/${packageName}
+            cd $out/${packageName}
 
-          # Create fake package.json to make the npm commands work properly
-          cp ${src}/package.json .
-          chmod 644 package.json
-          ${lib.optionalString bypassCache ''
-            if [ -f ${src}/package-lock.json ]
-            then
-                cp ${src}/package-lock.json .
-                chmod 644 package-lock.json
-            fi
-          ''}
+            source $includeScriptPath
 
-          # Go to the parent folder to make sure that all packages are pinpointed
-          cd ..
-          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
-
-          ${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
+            # Create fake package.json to make the npm commands work properly
+            cp ${src}/package.json .
+            chmod 644 package.json
+            ${lib.optionalString bypassCache ''
+              if [ -f ${src}/package-lock.json ]
+              then
+              cp ${src}/package-lock.json .
+              chmod 644 package-lock.json
+              fi
+            ''}
 
-          # Expose the executables that were installed
-          cd ..
-          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
+            # Go to the parent folder to make sure that all packages are pinpointed
+            cd ..
+            ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
 
-          mv ${packageName} lib
-          ln -s $out/lib/node_modules/.bin $out/bin
-        '';
-      } // extraArgs);
+            ${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
 
-  # Builds a development shell
-  buildNodeShell =
-    { name
-    , packageName
-    , version ? null
-    , src
-    , dependencies ? []
-    , buildInputs ? []
-    , production ? true
-    , npmFlags ? ""
-    , dontNpmInstall ? false
-    , bypassCache ? false
-    , reconstructLock ? false
-    , dontStrip ? true
-    , unpackPhase ? "true"
-    , buildPhase ? "true"
-    , ... }@args:
+            # Expose the executables that were installed
+            cd ..
+            ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
 
-    let
-      nodeDependencies = buildNodeDependencies args;
-      extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "unpackPhase" "buildPhase" ];
-    in
-    stdenv.mkDerivation ({
-      name = "node-shell-${name}${if version == null then "" else "-${version}"}";
-
-      buildInputs = [ python nodejs ] ++ lib.optional (stdenv.isLinux) utillinux ++ buildInputs;
-      buildCommand = ''
-        mkdir -p $out/bin
-        cat > $out/bin/shell <<EOF
-        #! ${stdenv.shell} -e
-        $shellHook
-        exec ${stdenv.shell}
-        EOF
-        chmod +x $out/bin/shell
-      '';
-
-      # Provide the dependencies in a development shell through the NODE_PATH environment variable
-      inherit nodeDependencies;
-      shellHook = lib.optionalString (dependencies != []) ''
-        export NODE_PATH=${nodeDependencies}/lib/node_modules
-        export PATH="${nodeDependencies}/bin:$PATH"
-      '';
-    } // extraArgs);
+            mv ${packageName} lib
+            ln -s $out/lib/node_modules/.bin $out/bin
+          '';
+        } // extraArgs);
+
+        # Builds a development shell
+        buildNodeShell =
+          { name
+          , packageName
+          , version ? null
+          , src
+          , dependencies ? []
+          , buildInputs ? []
+          , production ? true
+          , npmFlags ? ""
+          , dontNpmInstall ? false
+          , bypassCache ? false
+          , reconstructLock ? false
+          , dontStrip ? true
+          , unpackPhase ? "true"
+          , buildPhase ? "true"
+          , ... }@args:
+
+          let
+            nodeDependencies = buildNodeDependencies args;
+            extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "unpackPhase" "buildPhase" ];
+          in
+          stdenv.mkDerivation ({
+            name = "node-shell-${name}${if version == null then "" else "-${version}"}";
+
+            buildInputs = [ python nodejs ] ++ lib.optional (stdenv.isLinux) utillinux ++ buildInputs;
+            buildCommand = ''
+              mkdir -p $out/bin
+              cat > $out/bin/shell <<EOF
+              #! ${stdenv.shell} -e
+              $shellHook
+              exec ${stdenv.shell}
+              EOF
+              chmod +x $out/bin/shell
+            '';
+
+            # Provide the dependencies in a development shell through the NODE_PATH environment variable
+            inherit nodeDependencies;
+            shellHook = lib.optionalString (dependencies != []) ''
+              export NODE_PATH=${nodeDependencies}/lib/node_modules
+              export PATH="${nodeDependencies}/bin:$PATH"
+            '';
+          } // extraArgs);
 in
 {
   buildNodeSourceDist = lib.makeOverridable buildNodeSourceDist;
diff --git a/user/settings/darwin.nix b/user/settings/darwin.nix
index ab7afe15..50d84464 100644
--- a/user/settings/darwin.nix
+++ b/user/settings/darwin.nix
@@ -3,41 +3,37 @@
 {
   nixpkgs.overlays = [
     (self: super: {
-      darwin-zsh-completions = super.runCommand "darwin-zsh-completions-0.0.0"
-        { preferLocalBuild = true; }
-        ''
-          mkdir -p $out/share/zsh/site-functions
-          cat <<-'EOF' > $out/share/zsh/site-functions/_darwin-rebuild
-          #compdef darwin-rebuild
-          #autoload
-          _nix-common-options
-          local -a _1st_arguments
-          _1st_arguments=(
-            'switch:Build, activate, and update the current generation'\
-            'build:Build without activating or updating the current generation'\
-            'check:Build and run the activation sanity checks'\
-            'changelog:Show most recent entries in the changelog'\
-          )
-          _arguments \
-            '--list-generations[Print a list of all generations in the active profile]'\
-            '--rollback[Roll back to the previous configuration]'\
-            {--switch-generation,-G}'[Activate specified generation]'\
-            '(--profile-name -p)'{--profile-name,-p}'[Profile to use to track current and previous system configurations]:Profile:_nix_profiles'\
-            '1:: :->subcmds' && return 0
-          case $state in
-            subcmds)
-              _describe -t commands 'darwin-rebuild subcommands' _1st_arguments
-            ;;
-          esac
-          EOF
-        '';
-      })
-  ];
-  home.packages = with pkgs; [
-      aspell
-      aspellDicts.en
-      darwin-zsh-completions
+      darwin-zsh-completions = super.runCommand "darwin-zsh-completions-0.0.0" {
+        preferLocalBuild = true;
+      } ''
+        mkdir -p $out/share/zsh/site-functions
+        cat <<-'EOF' > $out/share/zsh/site-functions/_darwin-rebuild
+        #compdef darwin-rebuild
+        #autoload
+        _nix-common-options
+        local -a _1st_arguments
+        _1st_arguments=(
+        'switch:Build, activate, and update the current generation'\
+        'build:Build without activating or updating the current generation'\
+        'check:Build and run the activation sanity checks'\
+        'changelog:Show most recent entries in the changelog'\
+        )
+        _arguments \
+        '--list-generations[Print a list of all generations in the active profile]'\
+        '--rollback[Roll back to the previous configuration]'\
+        {--switch-generation,-G}'[Activate specified generation]'\
+        '(--profile-name -p)'{--profile-name,-p}'[Profile to use to track current and previous system configurations]:Profile:_nix_profiles'\
+        '1:: :->subcmds' && return 0
+        case $state in
+        subcmds)
+        _describe -t commands 'darwin-rebuild subcommands' _1st_arguments
+        ;;
+        esac
+        EOF
+      '';
+    })
   ];
+  home.packages = with pkgs; [ aspell aspellDicts.en darwin-zsh-completions ];
 
   programs.emacs.package = pkgs.emacsMacport;
 
diff --git a/user/settings/development/javascript.nix b/user/settings/development/javascript.nix
index b07c134a..232ad4ce 100644
--- a/user/settings/development/javascript.nix
+++ b/user/settings/development/javascript.nix
@@ -20,11 +20,11 @@ in
     ]
     else
     [
-    # npm install may use any of these
-    binutils
-    gnumake
-    gcc
-    python2
+      # npm install may use any of these
+      binutils
+      gnumake
+      gcc
+      python2
     ]
   )) ++ (with pkgs.nodePackages; [
     node2nix
diff --git a/user/settings/satoshipay.nix b/user/settings/satoshipay.nix
index 6a1f738f..4e96a227 100644
--- a/user/settings/satoshipay.nix
+++ b/user/settings/satoshipay.nix
@@ -76,8 +76,8 @@ in
     initExtra = ''
       if [[ -n $commands[helm] ]]
       then
-        autoload _helm
-        compdef _helm helm
+      autoload _helm
+      compdef _helm helm
       fi
     '';
   };
diff --git a/user/settings/tabnine.nix b/user/settings/tabnine.nix
index cb503938..78b8a513 100644
--- a/user/settings/tabnine.nix
+++ b/user/settings/tabnine.nix
@@ -5,9 +5,9 @@ let
 
   version = "3.2.28";
   target = if stdenv.isDarwin then
-    "x86_64-apple-darwin"
+  "x86_64-apple-darwin"
   else
-    "x86_64-unknown-linux-musl";
+  "x86_64-unknown-linux-musl";
 
   tabninePackage = (pkgs.fetchurl {
     url = "https://update.tabnine.com/${version}/${target}/TabNine";
@@ -36,24 +36,24 @@ in {
       disable_auto_update = true;
       user_understands_that_enabling_tabnine_cloud_sends_code_to_tabnine_servers =
         false;
-      hosted_deep_completions_enabled = "Disabled";
-      tabnine_cloud_certificate_domain = null;
-      tabnine_cloud_host = null;
-      tabnine_cloud_port = null;
-      cloud_whitelist = [ ];
-      api_key = null;
-      api_key_service_level = null;
-      api_base_url = null;
-      local_enabled = "Yes";
-      local_indexing = null;
-      local_model_size = null;
-      disable_local_when_using_battery = false;
-      hide_deep_information_message = false;
-      enable_power_saving_mode = false;
-      enable_telemetry = false;
-      generation = "0";
-      rate_limit_interval_seconds = null;
-      rate_limit_amount = null;
+        hosted_deep_completions_enabled = "Disabled";
+        tabnine_cloud_certificate_domain = null;
+        tabnine_cloud_host = null;
+        tabnine_cloud_port = null;
+        cloud_whitelist = [ ];
+        api_key = null;
+        api_key_service_level = null;
+        api_base_url = null;
+        local_enabled = "Yes";
+        local_indexing = null;
+        local_model_size = null;
+        disable_local_when_using_battery = false;
+        hide_deep_information_message = false;
+        enable_power_saving_mode = false;
+        enable_telemetry = false;
+        generation = "0";
+        rate_limit_interval_seconds = null;
+        rate_limit_amount = null;
     };
     lspConfig = {
       "language.typescript" = {