diff --git a/pkgs/data/fonts/iosevka/default.nix b/pkgs/data/fonts/iosevka/default.nix
index f7fce315e8c139..b1c46ca08ac943 100644
--- a/pkgs/data/fonts/iosevka/default.nix
+++ b/pkgs/data/fonts/iosevka/default.nix
@@ -8,7 +8,9 @@
   design ? [], upright ? [], italic ? [], oblique ? [],
   family ? null, weights ? [],
   # Custom font set name. Required if any custom settings above.
-  set ? null
+  set ? null,
+  # Extra parameters. Can be used for ligature mapping.
+  extraParameters ? null
 }:
 
 assert (design != []) -> set != null;
@@ -25,32 +27,33 @@ in
 let pname = if set != null then "iosevka-${set}" else "iosevka"; in
 
 let
-  version = "1.14.3";
+  version = "2.3.0";
   name = "${pname}-${version}";
   src = fetchFromGitHub {
     owner = "be5invis";
     repo ="Iosevka";
     rev = "v${version}";
-    sha256 = "0ba8hwxi88bp2jb9xfhk95nnlv8ykl74cv62xr4ybzm3b8ahpwqf";
+    sha256 = "1qnbxhx9wvij9zia226mc3sy8j7bfsw5v1cvxvsbbwjskwqdamvv";
   };
 in
 
 with lib;
-let unwords = concatStringsSep " "; in
+let quote = str: "\"" + str + "\""; in
+let toTomlList = list: "[" + (concatMapStringsSep ", " quote list) +"]"; in
+let unlines = concatStringsSep "\n"; in
 
 let
   param = name: options:
-    if options != [] then "${name}='${unwords options}'" else null;
-  config = unwords (lib.filter (x: x != null) [
+    if options != [] then "${name}=${toTomlList options}" else null;
+  config = unlines (lib.filter (x: x != null) [
+    "[buildPlans.${pname}]"
     (param "design" design)
     (param "upright" upright)
     (param "italic" italic)
     (param "oblique" oblique)
-    (if family != null then "family='${family}'" else null)
+    (if family != null then "family=\"${family}\"" else null)
     (param "weights" weights)
   ]);
-  custom = design != [] || upright != [] || italic != [] || oblique != []
-    || family != null || weights != [];
 in
 
 stdenv.mkDerivation {
@@ -58,8 +61,10 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ nodejs ttfautohint-nox otfcc ];
 
-  passAsFile = [ "installPackageLock" ];
+  passAsFile = [ "installPackageLock" "config" "extraParameters" ];
   installPackageLock = installPackageLock ./package-lock.json;
+  config = config;
+  extraParameters = extraParameters;
 
   preConfigure = ''
     HOME=$TMPDIR
@@ -70,21 +75,18 @@ stdenv.mkDerivation {
   configurePhase = ''
     runHook preConfigure
 
-    ${optionalString custom ''make custom-config set=${set} ${config}''}
-
-    runHook postConfigure
+    ${optionalString (set != null) ''mv "$configPath" private-build-plans.toml''}
+    ${optionalString (extraParameters != null) ''cat "$extraParametersPath" >> parameters.toml''}
   '';
 
-  makeFlags = lib.optionals custom [ "custom" "set=${set}" ];
+  buildPhase = ''
+    npm run build -- ttf::${pname}
+  '';
 
   installPhase = ''
-    runHook preInstall
-
     fontdir="$out/share/fonts/$pname"
     install -d "$fontdir"
     install "dist/$pname/ttf"/* "$fontdir"
-
-    runHook postInstall
   '';
 
   enableParallelBuilding = true;
@@ -98,6 +100,6 @@ stdenv.mkDerivation {
     '';
     license = licenses.ofl;
     platforms = platforms.all;
-    maintainers = with maintainers; [ cstrahan jfrankenau ttuegel ];
+    maintainers = with maintainers; [ cstrahan jfrankenau ttuegel babariviere ];
   };
 }
diff --git a/pkgs/data/fonts/iosevka/package-lock.json b/pkgs/data/fonts/iosevka/package-lock.json
index 54de11a1f42256..7556566b01a32a 100644
--- a/pkgs/data/fonts/iosevka/package-lock.json
+++ b/pkgs/data/fonts/iosevka/package-lock.json
@@ -1,62 +1,286 @@
 {
   "name": "iosevka",
-  "version": "1.14.0",
+  "version": "2.3.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
+      "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/highlight": {
+      "version": "7.5.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
+      "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^4.0.0"
+      }
+    },
     "JSONStream": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.2.tgz",
-      "integrity": "sha1-wQI3G27Dp887hHygDCC7D85Mbeo=",
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.5.tgz",
+      "integrity": "sha512-E+iruNOY8VV9s4JEbe1aNEm6MiszPRr/UfcHMz0TQh1BXSxHK+ASV1R6W4HpjBhSeS+54PIsAMCBmwD06LLsqQ==",
+      "requires": {
+        "jsonparse": "^1.2.0",
+        "through": ">=2.2.7 <3"
+      }
+    },
+    "abbrev": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+    },
+    "acorn": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
+      "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+      "dev": true
+    },
+    "acorn-jsx": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.2.tgz",
+      "integrity": "sha512-tiNTrP1MP0QrChmD2DdupCr6HWSFeKVw5d/dHTu4Y7rkAkRhU/Dt7dphAfIUyxtHpl/eBVip5uTNSpQJHylpAw==",
+      "dev": true
+    },
+    "ajv": {
+      "version": "6.10.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
+      "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
       "requires": {
-        "jsonparse": "1.3.1",
-        "through": "2.3.8"
+        "fast-deep-equal": "^2.0.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
       }
     },
     "amdefine": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
-      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU="
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "dev": true
+    },
+    "ansi-escapes": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.2.0.tgz",
+      "integrity": "sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==",
+      "dev": true
     },
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
       "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
     },
+    "ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "requires": {
+        "color-convert": "^1.9.0"
+      }
+    },
+    "aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+    },
+    "are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
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+    "argparse": {
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+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "requires": {
+        "sprintf-js": "~1.0.2"
+      }
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+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "requires": {
+        "safer-buffer": "~2.1.0"
+      }
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+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+    },
+    "astral-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
+      "dev": true
+    },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
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+      "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==",
+      "dev": true
+    },
+    "aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
+    },
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+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
+      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+    },
+    "bcrypt-pbkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
+      "requires": {
+        "tweetnacl": "^0.14.3"
+      }
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     "bezier-js": {
-      "version": "2.2.5",
-      "resolved": "https://registry.npmjs.org/bezier-js/-/bezier-js-2.2.5.tgz",
-      "integrity": "sha512-HGh+GevPguxrAmnWF2/A+8c8FEatnKcE6WttpYWA5fn1CfpJz4reFbr11DuyFs2gwaIo9vF7aVXW2xg1iaqvyg=="
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/bezier-js/-/bezier-js-2.4.3.tgz",
+      "integrity": "sha512-qAz1iAGoSE+kk5guAMyvoUgfHq+e5JwK5jRHh2/tuk4XDRUuECrrHLouN27jAzjhlJD2vAsBHofCi5sOn1jcbQ=="
+    },
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
     },
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-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
-      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8="
+    "block-stream": {
+      "version": "0.0.9",
+      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
+      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
+      "requires": {
+        "inherits": "~2.0.0"
+      }
+    },
+    "bluebird": {
+      "version": "3.5.5",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.5.tgz",
+      "integrity": "sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w=="
+    },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "bufferstreams": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/bufferstreams/-/bufferstreams-1.1.3.tgz",
+      "integrity": "sha512-HaJnVuslRF4g2kSDeyl++AaVizoitCpL9PglzCYwy0uHHyvWerfvEb8jWmYbF1z4kiVFolGomnxSGl+GUQp2jg==",
+      "requires": {
+        "readable-stream": "^2.0.2"
+      }
+    },
+    "callsites": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
+      "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==",
+      "dev": true
     },
     "camelcase": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-      "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo="
+      "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+      "dev": true
     },
     "caryll-shapeops": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/caryll-shapeops/-/caryll-shapeops-0.3.1.tgz",
       "integrity": "sha512-3TdH6DZGL08S6qEvCZLNaOHyFvmzQts8m+TyYEvc6/PiI+XgX5mIag1/CKczIM8e2QtDr8JKW8foo4VNOM8/Og==",
       "requires": {
-        "bezier-js": "2.2.5",
-        "clipper-lib": "1.0.0"
+        "bezier-js": "^2.2.1",
+        "clipper-lib": "^1.0.0"
+      }
+    },
+    "caseless": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
+    },
+    "chalk": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+      "requires": {
+        "ansi-styles": "^3.2.1",
+        "escape-string-regexp": "^1.0.5",
+        "supports-color": "^5.3.0"
       }
     },
+    "chardet": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
+      "dev": true
+    },
     "child-process-promise": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/child-process-promise/-/child-process-promise-2.2.1.tgz",
       "integrity": "sha1-RzChHvYQ+tRQuPIjx50x172tgHQ=",
       "requires": {
-        "cross-spawn": "4.0.2",
-        "node-version": "1.1.0",
-        "promise-polyfill": "6.1.0"
+        "cross-spawn": "^4.0.2",
+        "node-version": "^1.0.0",
+        "promise-polyfill": "^6.0.1"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-4.0.2.tgz",
+          "integrity": "sha1-e5JHYhwjrf3ThWAEqCPL45dCTUE=",
+          "requires": {
+            "lru-cache": "^4.0.1",
+            "which": "^1.2.9"
+          }
+        }
+      }
+    },
+    "cli-cursor": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
+      "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
+      "requires": {
+        "restore-cursor": "^2.0.0"
       }
     },
+    "cli-width": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.0.tgz",
+      "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=",
+      "dev": true
+    },
     "clipper-lib": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/clipper-lib/-/clipper-lib-1.0.0.tgz",
@@ -67,33 +291,119 @@
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
       "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1",
-        "wrap-ansi": "2.1.0"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wrap-ansi": "^2.0.0"
+      },
+      "dependencies": {
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "requires": {
+            "number-is-nan": "^1.0.0"
+          }
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
+          }
+        }
       }
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+          "resolved": "https://registry.npmjs.org/mem/-/mem-4.3.0.tgz",
+          "integrity": "sha512-qX2bG48pTqYRVmDB37rn/6PT7LcR8T7oAX3bf99u1Tt1nzxYfxkgqDwUwolPlXweM0XzBOBFzSx4kfp7KP1s/w==",
           "requires": {
-            "pify": "2.3.0"
+            "map-age-cleaner": "^0.1.1",
+            "mimic-fn": "^2.0.0",
+            "p-is-promise": "^2.0.0"
           }
         },
-        "read-pkg": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
-          "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
+        "mimic-fn": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
+          "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg=="
+        },
+        "os-locale": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
+          "integrity": "sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==",
           "requires": {
-            "load-json-file": "2.0.0",
-            "normalize-package-data": "2.4.0",
-            "path-type": "2.0.0"
+            "execa": "^1.0.0",
+            "lcid": "^2.0.0",
+            "mem": "^4.0.0"
           }
         },
-        "read-pkg-up": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-2.0.0.tgz",
-          "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
+        "p-limit": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.1.tgz",
+          "integrity": "sha512-85Tk+90UCVWvbDavCLKPOLC9vvY8OwEX/RtKF+/1OADJMVlFfEHOiMTPVyxg7mk/dKa+ipdHm0OUkTvCpMTuwg==",
           "requires": {
-            "find-up": "2.1.0",
-            "read-pkg": "2.0.0"
+            "p-try": "^2.0.0"
           }
         },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+        "p-locate": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+          "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
           "requires": {
-            "is-fullwidth-code-point": "2.0.0",
-            "strip-ansi": "4.0.0"
+            "p-limit": "^2.0.0"
           }
         },
+        "p-try": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
+          "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ=="
+        },
         "strip-ansi": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
           "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
           "requires": {
-            "ansi-regex": "3.0.0"
+            "ansi-regex": "^3.0.0"
           }
         },
-        "strip-bom": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
-          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM="
-        },
-        "which-module": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
-          "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
-        },
         "yargs-parser": {
-          "version": "7.0.0",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-7.0.0.tgz",
-          "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
+          "version": "11.1.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
+          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
           "requires": {
-            "camelcase": "4.1.0"
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
           }
         }
       }
     },
     "yargs-parser": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
-      "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-7.0.0.tgz",
+      "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
       "requires": {
-        "camelcase": "3.0.0"
+        "camelcase": "^4.1.0"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
+        }
       }
     }
   }
diff --git a/pkgs/data/fonts/iosevka/package-lock.nix b/pkgs/data/fonts/iosevka/package-lock.nix
index 546482cc0d2626..b677b3daf97554 100644
--- a/pkgs/data/fonts/iosevka/package-lock.nix
+++ b/pkgs/data/fonts/iosevka/package-lock.nix
@@ -117,6 +117,7 @@ let
   prepareDepend = { name, src, depends, ... }:
     ''
       unpackFile '${src}'
+      mkdir -p $(dirname "${name}")
       mv package '${name}'
       mkdir -p '${name}/node_modules'
       (