riot-desktop: use own yarn2nix

github ref: closes #58593

3 files changed, 585 insertions, 256 deletions

diff --git a/pkgs/applications/networking/instant-messengers/riot/riot-desktop-yarndeps.nix b/pkgs/applications/networking/instant-messengers/riot/riot-desktop-yarndeps.nix
index 25cc694afcf..b84807c69a0 100644
--- a/pkgs/applications/networking/instant-messengers/riot/riot-desktop-yarndeps.nix
+++ b/pkgs/applications/networking/instant-messengers/riot/riot-desktop-yarndeps.nix
@@ -3,1143 +3,1143 @@
   packages = [
 
     {
-      name = "node-9.6.45.tgz";
+      name = "_types_node___node_9.6.45.tgz";
       path = fetchurl {
-        name = "node-9.6.45.tgz";
+        name = "_types_node___node_9.6.45.tgz";
         url  = "https://registry.yarnpkg.com/@types/node/-/node-9.6.45.tgz";
         sha1 = "a9e5cfd026a3abaaf17e3c0318a470da9f2f178e";
       };
     }
 
     {
-      name = "ajv-6.10.0.tgz";
+      name = "ajv___ajv_6.10.0.tgz";
       path = fetchurl {
-        name = "ajv-6.10.0.tgz";
+        name = "ajv___ajv_6.10.0.tgz";
         url  = "https://registry.yarnpkg.com/ajv/-/ajv-6.10.0.tgz";
         sha1 = "90d0d54439da587cd7e843bfb7045f50bd22bdf1";
       };
     }
 
     {
-      name = "applescript-1.0.0.tgz";
+      name = "applescript___applescript_1.0.0.tgz";
       path = fetchurl {
-        name = "applescript-1.0.0.tgz";
+        name = "applescript___applescript_1.0.0.tgz";
         url  = "https://registry.yarnpkg.com/applescript/-/applescript-1.0.0.tgz";
         sha1 = "bb87af568cad034a4e48c4bdaf6067a3a2701317";
       };
     }
 
     {
-      name = "asn1-0.2.4.tgz";
+      name = "asn1___asn1_0.2.4.tgz";
       path = fetchurl {
-        name = "asn1-0.2.4.tgz";
+        name = "asn1___asn1_0.2.4.tgz";
         url  = "https://registry.yarnpkg.com/asn1/-/asn1-0.2.4.tgz";
         sha1 = "8d2475dfab553bb33e77b54e59e880bb8ce23136";
       };
     }
 
     {
-      name = "assert-plus-1.0.0.tgz";
+      name = "assert_plus___assert_plus_1.0.0.tgz";
       path = fetchurl {
-        name = "assert-plus-1.0.0.tgz";
+        name = "assert_plus___assert_plus_1.0.0.tgz";
         url  = "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz";
         sha1 = "f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525";
       };
     }
 
     {
-      name = "asynckit-0.4.0.tgz";
+      name = "asynckit___asynckit_0.4.0.tgz";
       path = fetchurl {
-        name = "asynckit-0.4.0.tgz";
+        name = "asynckit___asynckit_0.4.0.tgz";
         url  = "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz";
         sha1 = "c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79";
       };
     }
 
     {
-      name = "auto-launch-5.0.5.tgz";
+      name = "auto_launch___auto_launch_5.0.5.tgz";
       path = fetchurl {
-        name = "auto-launch-5.0.5.tgz";
+        name = "auto_launch___auto_launch_5.0.5.tgz";
         url  = "https://registry.yarnpkg.com/auto-launch/-/auto-launch-5.0.5.tgz";
         sha1 = "d14bd002b1ef642f85e991a6195ff5300c8ad3c0";
       };
     }
 
     {
-      name = "aws-sign2-0.7.0.tgz";
+      name = "aws_sign2___aws_sign2_0.7.0.tgz";
       path = fetchurl {
-        name = "aws-sign2-0.7.0.tgz";
+        name = "aws_sign2___aws_sign2_0.7.0.tgz";
         url  = "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz";
         sha1 = "b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8";
       };
     }
 
     {
-      name = "aws4-1.8.0.tgz";
+      name = "aws4___aws4_1.8.0.tgz";
       path = fetchurl {
-        name = "aws4-1.8.0.tgz";
+        name = "aws4___aws4_1.8.0.tgz";
         url  = "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz";
         sha1 = "f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f";
       };
     }
 
     {
-      name = "bcrypt-pbkdf-1.0.2.tgz";
+      name = "bcrypt_pbkdf___bcrypt_pbkdf_1.0.2.tgz";
       path = fetchurl {
-        name = "bcrypt-pbkdf-1.0.2.tgz";
+        name = "bcrypt_pbkdf___bcrypt_pbkdf_1.0.2.tgz";
         url  = "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz";
         sha1 = "a4301d389b6a43f9b67ff3ca11a3f6637e360e9e";
       };
     }
 
     {
-      name = "bignumber.js-2.4.0.tgz";
+      name = "bignumber.js___bignumber.js_2.4.0.tgz";
       path = fetchurl {
-        name = "bignumber.js-2.4.0.tgz";
+        name = "bignumber.js___bignumber.js_2.4.0.tgz";
         url  = "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-2.4.0.tgz";
         sha1 = "838a992da9f9d737e0f4b2db0be62bb09dd0c5e8";
       };
     }
 
     {
-      name = "bmp-js-0.0.3.tgz";
+      name = "bmp_js___bmp_js_0.0.3.tgz";
       path = fetchurl {
-        name = "bmp-js-0.0.3.tgz";
+        name = "bmp_js___bmp_js_0.0.3.tgz";
         url  = "https://registry.yarnpkg.com/bmp-js/-/bmp-js-0.0.3.tgz";
         sha1 = "64113e9c7cf1202b376ed607bf30626ebe57b18a";
       };
     }
 
     {
-      name = "buffer-equal-0.0.1.tgz";
+      name = "buffer_equal___buffer_equal_0.0.1.tgz";
       path = fetchurl {
-        name = "buffer-equal-0.0.1.tgz";
+        name = "buffer_equal___buffer_equal_0.0.1.tgz";
         url  = "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-0.0.1.tgz";
         sha1 = "91bc74b11ea405bc916bc6aa908faafa5b4aac4b";
       };
     }
 
     {
-      name = "caseless-0.12.0.tgz";
+      name = "caseless___caseless_0.12.0.tgz";
       path = fetchurl {
-        name = "caseless-0.12.0.tgz";
+        name = "caseless___caseless_0.12.0.tgz";
         url  = "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz";
         sha1 = "1b681c21ff84033c826543090689420d187151dc";
       };
     }
 
     {
-      name = "combined-stream-1.0.7.tgz";
+      name = "combined_stream___combined_stream_1.0.7.tgz";
       path = fetchurl {
-        name = "combined-stream-1.0.7.tgz";
+        name = "combined_stream___combined_stream_1.0.7.tgz";
         url  = "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.7.tgz";
         sha1 = "2d1d24317afb8abe95d6d2c0b07b57813539d828";
       };
     }
 
     {
-      name = "conf-2.2.0.tgz";
+      name = "conf___conf_2.2.0.tgz";
       path = fetchurl {
-        name = "conf-2.2.0.tgz";
+        name = "conf___conf_2.2.0.tgz";
         url  = "https://registry.yarnpkg.com/conf/-/conf-2.2.0.tgz";
         sha1 = "ee282efafc1450b61e205372041ad7d866802d9a";
       };
     }
 
     {
-      name = "core-util-is-1.0.2.tgz";
+      name = "core_util_is___core_util_is_1.0.2.tgz";
       path = fetchurl {
-        name = "core-util-is-1.0.2.tgz";
+        name = "core_util_is___core_util_is_1.0.2.tgz";
         url  = "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz";
         sha1 = "b5fd54220aa2bc5ab57aab7140c940754503c1a7";
       };
     }
 
     {
-      name = "dashdash-1.14.1.tgz";
+      name = "dashdash___dashdash_1.14.1.tgz";
       path = fetchurl {
-        name = "dashdash-1.14.1.tgz";
+        name = "dashdash___dashdash_1.14.1.tgz";
         url  = "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz";
         sha1 = "853cfa0f7cbe2fed5de20326b8dd581035f6e2f0";
       };
     }
 
     {
-      name = "deep-equal-1.0.1.tgz";
+      name = "deep_equal___deep_equal_1.0.1.tgz";
       path = fetchurl {
-        name = "deep-equal-1.0.1.tgz";
+        name = "deep_equal___deep_equal_1.0.1.tgz";
         url  = "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz";
         sha1 = "f5d260292b660e084eff4cdbc9f08ad3247448b5";
       };
     }
 
     {
-      name = "define-properties-1.1.3.tgz";
+      name = "define_properties___define_properties_1.1.3.tgz";
       path = fetchurl {
-        name = "define-properties-1.1.3.tgz";
+        name = "define_properties___define_properties_1.1.3.tgz";
         url  = "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz";
         sha1 = "cf88da6cbee26fe6db7094f61d870cbd84cee9f1";
       };
     }
 
     {
-      name = "delayed-stream-1.0.0.tgz";
+      name = "delayed_stream___delayed_stream_1.0.0.tgz";
       path = fetchurl {
-        name = "delayed-stream-1.0.0.tgz";
+        name = "delayed_stream___delayed_stream_1.0.0.tgz";
         url  = "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz";
         sha1 = "df3ae199acadfb7d440aaae0b29e2272b24ec619";
       };
     }
 
     {
-      name = "dom-walk-0.1.1.tgz";
+      name = "dom_walk___dom_walk_0.1.1.tgz";
       path = fetchurl {
-        name = "dom-walk-0.1.1.tgz";
+        name = "dom_walk___dom_walk_0.1.1.tgz";
         url  = "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.1.tgz";
         sha1 = "672226dc74c8f799ad35307df936aba11acd6018";
       };
     }
 
     {
-      name = "dot-prop-4.2.0.tgz";
+      name = "dot_prop___dot_prop_4.2.0.tgz";
       path = fetchurl {
-        name = "dot-prop-4.2.0.tgz";
+        name = "dot_prop___dot_prop_4.2.0.tgz";
         url  = "https://registry.yarnpkg.com/dot-prop/-/dot-prop-4.2.0.tgz";
         sha1 = "1f19e0c2e1aa0e32797c49799f2837ac6af69c57";
       };
     }
 
     {
-      name = "ecc-jsbn-0.1.2.tgz";
+      name = "ecc_jsbn___ecc_jsbn_0.1.2.tgz";
       path = fetchurl {
-        name = "ecc-jsbn-0.1.2.tgz";
+        name = "ecc_jsbn___ecc_jsbn_0.1.2.tgz";
         url  = "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz";
         sha1 = "3a83a904e54353287874c564b7549386849a98c9";
       };
     }
 
     {
-      name = "electron-store-2.0.0.tgz";
+      name = "electron_store___electron_store_2.0.0.tgz";
       path = fetchurl {
-        name = "electron-store-2.0.0.tgz";
+        name = "electron_store___electron_store_2.0.0.tgz";
         url  = "https://registry.yarnpkg.com/electron-store/-/electron-store-2.0.0.tgz";
         sha1 = "1035cca2a95409d1f54c7466606345852450d64a";
       };
     }
 
     {
-      name = "electron-window-state-4.1.1.tgz";
+      name = "electron_window_state___electron_window_state_4.1.1.tgz";
       path = fetchurl {
-        name = "electron-window-state-4.1.1.tgz";
+        name = "electron_window_state___electron_window_state_4.1.1.tgz";
         url  = "https://registry.yarnpkg.com/electron-window-state/-/electron-window-state-4.1.1.tgz";
         sha1 = "6b34fdc31b38514dfec8b7c8f7b5d4addb67632d";
       };
     }
 
     {
-      name = "env-paths-1.0.0.tgz";
+      name = "env_paths___env_paths_1.0.0.tgz";
       path = fetchurl {
-        name = "env-paths-1.0.0.tgz";
+        name = "env_paths___env_paths_1.0.0.tgz";
         url  = "https://registry.yarnpkg.com/env-paths/-/env-paths-1.0.0.tgz";
         sha1 = "4168133b42bb05c38a35b1ae4397c8298ab369e0";
       };
     }
 
     {
-      name = "es-abstract-1.13.0.tgz";
+      name = "es_abstract___es_abstract_1.13.0.tgz";
       path = fetchurl {
-        name = "es-abstract-1.13.0.tgz";
+        name = "es_abstract___es_abstract_1.13.0.tgz";
         url  = "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.13.0.tgz";
         sha1 = "ac86145fdd5099d8dd49558ccba2eaf9b88e24e9";
       };
     }
 
     {
-      name = "es-to-primitive-1.2.0.tgz";
+      name = "es_to_primitive___es_to_primitive_1.2.0.tgz";
       path = fetchurl {
-        name = "es-to-primitive-1.2.0.tgz";
+        name = "es_to_primitive___es_to_primitive_1.2.0.tgz";
         url  = "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.0.tgz";
         sha1 = "edf72478033456e8dda8ef09e00ad9650707f377";
       };
     }
 
     {
-      name = "es6-promise-3.3.1.tgz";
+      name = "es6_promise___es6_promise_3.3.1.tgz";
       path = fetchurl {
-        name = "es6-promise-3.3.1.tgz";
+        name = "es6_promise___es6_promise_3.3.1.tgz";
         url  = "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.3.1.tgz";
         sha1 = "a08cdde84ccdbf34d027a1451bc91d4bcd28a613";
       };
     }
 
     {
-      name = "exif-parser-0.1.12.tgz";
+      name = "exif_parser___exif_parser_0.1.12.tgz";
       path = fetchurl {
-        name = "exif-parser-0.1.12.tgz";
+        name = "exif_parser___exif_parser_0.1.12.tgz";
         url  = "https://registry.yarnpkg.com/exif-parser/-/exif-parser-0.1.12.tgz";
         sha1 = "58a9d2d72c02c1f6f02a0ef4a9166272b7760922";
       };
     }
 
     {
-      name = "extend-3.0.2.tgz";
+      name = "extend___extend_3.0.2.tgz";
       path = fetchurl {
-        name = "extend-3.0.2.tgz";
+        name = "extend___extend_3.0.2.tgz";
         url  = "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz";
         sha1 = "f8b1136b4071fbd8eb140aff858b1019ec2915fa";
       };
     }
 
     {
-      name = "extsprintf-1.3.0.tgz";
+      name = "extsprintf___extsprintf_1.3.0.tgz";
       path = fetchurl {
-        name = "extsprintf-1.3.0.tgz";
+        name = "extsprintf___extsprintf_1.3.0.tgz";
         url  = "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz";
         sha1 = "96918440e3041a7a414f8c52e3c574eb3c3e1e05";
       };
     }
 
     {
-      name = "extsprintf-1.4.0.tgz";
+      name = "extsprintf___extsprintf_1.4.0.tgz";
       path = fetchurl {
-        name = "extsprintf-1.4.0.tgz";
+        name = "extsprintf___extsprintf_1.4.0.tgz";
         url  = "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz";
         sha1 = "e2689f8f356fad62cca65a3a91c5df5f9551692f";
       };
     }
 
     {
-      name = "fast-deep-equal-2.0.1.tgz";
+      name = "fast_deep_equal___fast_deep_equal_2.0.1.tgz";
       path = fetchurl {
-        name = "fast-deep-equal-2.0.1.tgz";
+        name = "fast_deep_equal___fast_deep_equal_2.0.1.tgz";
         url  = "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz";
         sha1 = "7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49";
       };
     }
 
     {
-      name = "fast-json-stable-stringify-2.0.0.tgz";
+      name = "fast_json_stable_stringify___fast_json_stable_stringify_2.0.0.tgz";
       path = fetchurl {
-        name = "fast-json-stable-stringify-2.0.0.tgz";
+        name = "fast_json_stable_stringify___fast_json_stable_stringify_2.0.0.tgz";
         url  = "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz";
         sha1 = "d5142c0caee6b1189f87d3a76111064f86c8bbf2";
       };
     }
 
     {
-      name = "file-type-3.9.0.tgz";
+      name = "file_type___file_type_3.9.0.tgz";
       path = fetchurl {
-        name = "file-type-3.9.0.tgz";
+        name = "file_type___file_type_3.9.0.tgz";
         url  = "https://registry.yarnpkg.com/file-type/-/file-type-3.9.0.tgz";
         sha1 = "257a078384d1db8087bc449d107d52a52672b9e9";
       };
     }
 
     {
-      name = "find-up-2.1.0.tgz";
+      name = "find_up___find_up_2.1.0.tgz";
       path = fetchurl {
-        name = "find-up-2.1.0.tgz";
+        name = "find_up___find_up_2.1.0.tgz";
         url  = "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz";
         sha1 = "45d1b7e506c717ddd482775a2b77920a3c0c57a7";
       };
     }
 
     {
-      name = "for-each-0.3.3.tgz";
+      name = "for_each___for_each_0.3.3.tgz";
       path = fetchurl {
-        name = "for-each-0.3.3.tgz";
+        name = "for_each___for_each_0.3.3.tgz";
         url  = "https://registry.yarnpkg.com/for-each/-/for-each-0.3.3.tgz";
         sha1 = "69b447e88a0a5d32c3e7084f3f1710034b21376e";
       };
     }
 
     {
-      name = "forever-agent-0.6.1.tgz";
+      name = "forever_agent___forever_agent_0.6.1.tgz";
       path = fetchurl {
-        name = "forever-agent-0.6.1.tgz";
+        name = "forever_agent___forever_agent_0.6.1.tgz";
         url  = "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz";
         sha1 = "fbc71f0c41adeb37f96c577ad1ed42d8fdacca91";
       };
     }
 
     {
-      name = "form-data-2.3.3.tgz";
+      name = "form_data___form_data_2.3.3.tgz";
       path = fetchurl {
-        name = "form-data-2.3.3.tgz";
+        name = "form_data___form_data_2.3.3.tgz";
         url  = "https://registry.yarnpkg.com/form-data/-/form-data-2.3.3.tgz";
         sha1 = "dcce52c05f644f298c6a7ab936bd724ceffbf3a6";
       };
     }
 
     {
-      name = "function-bind-1.1.1.tgz";
+      name = "function_bind___function_bind_1.1.1.tgz";
       path = fetchurl {
-        name = "function-bind-1.1.1.tgz";
+        name = "function_bind___function_bind_1.1.1.tgz";
         url  = "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz";
         sha1 = "a56899d3ea3c9bab874bb9773b7c5ede92f4895d";
       };
     }
 
     {
-      name = "getpass-0.1.7.tgz";
+      name = "getpass___getpass_0.1.7.tgz";
       path = fetchurl {
-        name = "getpass-0.1.7.tgz";
+        name = "getpass___getpass_0.1.7.tgz";
         url  = "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz";
         sha1 = "5eff8e3e684d569ae4cb2b1282604e8ba62149fa";
       };
     }
 
     {
-      name = "global-4.3.2.tgz";
+      name = "global___global_4.3.2.tgz";
       path = fetchurl {
-        name = "global-4.3.2.tgz";
+        name = "global___global_4.3.2.tgz";
         url  = "https://registry.yarnpkg.com/global/-/global-4.3.2.tgz";
         sha1 = "e76989268a6c74c38908b1305b10fc0e394e9d0f";
       };
     }
 
     {
-      name = "graceful-fs-4.1.15.tgz";
+      name = "graceful_fs___graceful_fs_4.1.15.tgz";
       path = fetchurl {
-        name = "graceful-fs-4.1.15.tgz";
+        name = "graceful_fs___graceful_fs_4.1.15.tgz";
         url  = "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz";
         sha1 = "ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00";
       };
     }
 
     {
-      name = "har-schema-2.0.0.tgz";
+      name = "har_schema___har_schema_2.0.0.tgz";
       path = fetchurl {
-        name = "har-schema-2.0.0.tgz";
+        name = "har_schema___har_schema_2.0.0.tgz";
         url  = "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz";
         sha1 = "a94c2224ebcac04782a0d9035521f24735b7ec92";
       };
     }
 
     {
-      name = "har-validator-5.1.3.tgz";
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       path = fetchurl {
-        name = "har-validator-5.1.3.tgz";
+        name = "har_validator___har_validator_5.1.3.tgz";
         url  = "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.3.tgz";
         sha1 = "1ef89ebd3e4996557675eed9893110dc350fa080";
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     {
-      name = "has-symbols-1.0.0.tgz";
+      name = "has_symbols___has_symbols_1.0.0.tgz";
       path = fetchurl {
-        name = "has-symbols-1.0.0.tgz";
+        name = "has_symbols___has_symbols_1.0.0.tgz";
         url  = "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz";
         sha1 = "ba1a8f1af2a0fc39650f5c850367704122063b44";
       };
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     {
-      name = "has-1.0.3.tgz";
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       path = fetchurl {
-        name = "has-1.0.3.tgz";
+        name = "has___has_1.0.3.tgz";
         url  = "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz";
         sha1 = "722d7cbfc1f6aa8241f16dd814e011e1f41e8796";
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     {
-      name = "http-signature-1.2.0.tgz";
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       path = fetchurl {
-        name = "http-signature-1.2.0.tgz";
+        name = "http_signature___http_signature_1.2.0.tgz";
         url  = "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz";
         sha1 = "9aecd925114772f3d95b65a60abb8f7c18fbace1";
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     {
-      name = "imurmurhash-0.1.4.tgz";
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       path = fetchurl {
-        name = "imurmurhash-0.1.4.tgz";
+        name = "imurmurhash___imurmurhash_0.1.4.tgz";
         url  = "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz";
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     {
-      name = "ip-regex-1.0.3.tgz";
+      name = "ip_regex___ip_regex_1.0.3.tgz";
       path = fetchurl {
-        name = "ip-regex-1.0.3.tgz";
+        name = "ip_regex___ip_regex_1.0.3.tgz";
         url  = "https://registry.yarnpkg.com/ip-regex/-/ip-regex-1.0.3.tgz";
         sha1 = "dc589076f659f419c222039a33316f1c7387effd";
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     {
-      name = "is-callable-1.1.4.tgz";
+      name = "is_callable___is_callable_1.1.4.tgz";
       path = fetchurl {
-        name = "is-callable-1.1.4.tgz";
+        name = "is_callable___is_callable_1.1.4.tgz";
         url  = "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz";
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     {
-      name = "is-date-object-1.0.1.tgz";
+      name = "is_date_object___is_date_object_1.0.1.tgz";
       path = fetchurl {
-        name = "is-date-object-1.0.1.tgz";
+        name = "is_date_object___is_date_object_1.0.1.tgz";
         url  = "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz";
         sha1 = "9aa20eb6aeebbff77fbd33e74ca01b33581d3a16";
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     {
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       path = fetchurl {
-        name = "is-function-1.0.1.tgz";
+        name = "is_function___is_function_1.0.1.tgz";
         url  = "https://registry.yarnpkg.com/is-function/-/is-function-1.0.1.tgz";
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     {
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       path = fetchurl {
-        name = "is-obj-1.0.1.tgz";
+        name = "is_obj___is_obj_1.0.1.tgz";
         url  = "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz";
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     {
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       path = fetchurl {
-        name = "is-regex-1.0.4.tgz";
+        name = "is_regex___is_regex_1.0.4.tgz";
         url  = "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz";
         sha1 = "5517489b547091b0930e095654ced25ee97e9491";
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     {
-      name = "is-symbol-1.0.2.tgz";
+      name = "is_symbol___is_symbol_1.0.2.tgz";
       path = fetchurl {
-        name = "is-symbol-1.0.2.tgz";
+        name = "is_symbol___is_symbol_1.0.2.tgz";
         url  = "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.2.tgz";
         sha1 = "a055f6ae57192caee329e7a860118b497a950f38";
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     {
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       path = fetchurl {
-        name = "is-typedarray-1.0.0.tgz";
+        name = "is_typedarray___is_typedarray_1.0.0.tgz";
         url  = "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz";
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     {
-      name = "isstream-0.1.2.tgz";
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       path = fetchurl {
-        name = "isstream-0.1.2.tgz";
+        name = "isstream___isstream_0.1.2.tgz";
         url  = "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz";
         sha1 = "47e63f7af55afa6f92e1500e690eb8b8529c099a";
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     {
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       path = fetchurl {
-        name = "jimp-0.2.28.tgz";
+        name = "jimp___jimp_0.2.28.tgz";
         url  = "https://registry.yarnpkg.com/jimp/-/jimp-0.2.28.tgz";
         sha1 = "dd529a937190f42957a7937d1acc3a7762996ea2";
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     {
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       path = fetchurl {
-        name = "jpeg-js-0.2.0.tgz";
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         url  = "https://registry.yarnpkg.com/jpeg-js/-/jpeg-js-0.2.0.tgz";
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     {
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       path = fetchurl {
-        name = "jsbn-0.1.1.tgz";
+        name = "jsbn___jsbn_0.1.1.tgz";
         url  = "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz";
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     {
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       path = fetchurl {
-        name = "json-schema-traverse-0.4.1.tgz";
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         url  = "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz";
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     {
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       path = fetchurl {
-        name = "json-schema-0.2.3.tgz";
+        name = "json_schema___json_schema_0.2.3.tgz";
         url  = "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz";
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     {
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       path = fetchurl {
-        name = "json-stringify-safe-5.0.1.tgz";
+        name = "json_stringify_safe___json_stringify_safe_5.0.1.tgz";
         url  = "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz";
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     {
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       path = fetchurl {
-        name = "jsonfile-2.4.0.tgz";
+        name = "jsonfile___jsonfile_2.4.0.tgz";
         url  = "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz";
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     {
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       path = fetchurl {
-        name = "jsprim-1.4.1.tgz";
+        name = "jsprim___jsprim_1.4.1.tgz";
         url  = "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz";
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     {
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       path = fetchurl {
-        name = "load-bmfont-1.4.0.tgz";
+        name = "load_bmfont___load_bmfont_1.4.0.tgz";
         url  = "https://registry.yarnpkg.com/load-bmfont/-/load-bmfont-1.4.0.tgz";
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     {
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       path = fetchurl {
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     {
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       path = fetchurl {
-        name = "make-dir-1.3.0.tgz";
+        name = "make_dir___make_dir_1.3.0.tgz";
         url  = "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz";
         sha1 = "79c1033b80515bd6d24ec9933e860ca75ee27f0c";
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     {
-      name = "mime-db-1.38.0.tgz";
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       path = fetchurl {
-        name = "mime-db-1.38.0.tgz";
+        name = "mime_db___mime_db_1.38.0.tgz";
         url  = "https://registry.yarnpkg.com/mime-db/-/mime-db-1.38.0.tgz";
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     {
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       path = fetchurl {
-        name = "mime-types-2.1.22.tgz";
+        name = "mime_types___mime_types_2.1.22.tgz";
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     {
-      name = "mime-1.6.0.tgz";
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       path = fetchurl {
-        name = "mime-1.6.0.tgz";
+        name = "mime___mime_1.6.0.tgz";
         url  = "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz";
         sha1 = "32cd9e5c64553bd58d19a568af452acff04981b1";
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     {
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       path = fetchurl {
-        name = "min-document-2.19.0.tgz";
+        name = "min_document___min_document_2.19.0.tgz";
         url  = "https://registry.yarnpkg.com/min-document/-/min-document-2.19.0.tgz";
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     {
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       path = fetchurl {
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+        name = "minimist___minimist_0.0.8.tgz";
         url  = "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz";
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     {
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       path = fetchurl {
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+        name = "minimist___minimist_1.2.0.tgz";
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     {
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       path = fetchurl {
-        name = "mkdirp-0.5.1.tgz";
+        name = "mkdirp___mkdirp_0.5.1.tgz";
         url  = "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz";
         sha1 = "30057438eac6cf7f8c4767f38648d6697d75c903";
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     {
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       path = fetchurl {
-        name = "oauth-sign-0.9.0.tgz";
+        name = "oauth_sign___oauth_sign_0.9.0.tgz";
         url  = "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz";
         sha1 = "47a7b016baa68b5fa0ecf3dee08a85c679ac6455";
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     {
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       path = fetchurl {
-        name = "object-keys-1.1.0.tgz";
+        name = "object_keys___object_keys_1.1.0.tgz";
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         sha1 = "11bd22348dd2e096a045ab06f6c85bcc340fa032";
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     {
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       path = fetchurl {
-        name = "p-limit-1.3.0.tgz";
+        name = "p_limit___p_limit_1.3.0.tgz";
         url  = "https://registry.yarnpkg.com/p-limit/-/p-limit-1.3.0.tgz";
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     {
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       path = fetchurl {
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+        name = "p_locate___p_locate_2.0.0.tgz";
         url  = "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz";
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     {
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       path = fetchurl {
-        name = "p-try-1.0.0.tgz";
+        name = "p_try___p_try_1.0.0.tgz";
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     {
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       path = fetchurl {
-        name = "parse-bmfont-ascii-1.0.6.tgz";
+        name = "parse_bmfont_ascii___parse_bmfont_ascii_1.0.6.tgz";
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     {
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       path = fetchurl {
-        name = "parse-bmfont-binary-1.0.6.tgz";
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     {
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       path = fetchurl {
-        name = "parse-bmfont-xml-1.1.4.tgz";
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         url  = "https://registry.yarnpkg.com/parse-bmfont-xml/-/parse-bmfont-xml-1.1.4.tgz";
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     {
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       path = fetchurl {
-        name = "parse-headers-2.0.2.tgz";
+        name = "parse_headers___parse_headers_2.0.2.tgz";
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     {
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       path = fetchurl {
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     {
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       path = fetchurl {
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         url  = "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz";
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     {
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       path = fetchurl {
-        name = "performance-now-2.1.0.tgz";
+        name = "performance_now___performance_now_2.1.0.tgz";
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     {
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       path = fetchurl {
-        name = "phin-2.9.3.tgz";
+        name = "phin___phin_2.9.3.tgz";
         url  = "https://registry.yarnpkg.com/phin/-/phin-2.9.3.tgz";
         sha1 = "f9b6ac10a035636fb65dfc576aaaa17b8743125c";
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     {
-      name = "pify-3.0.0.tgz";
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       path = fetchurl {
-        name = "pify-3.0.0.tgz";
+        name = "pify___pify_3.0.0.tgz";
         url  = "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz";
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     {
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       path = fetchurl {
-        name = "pixelmatch-4.0.2.tgz";
+        name = "pixelmatch___pixelmatch_4.0.2.tgz";
         url  = "https://registry.yarnpkg.com/pixelmatch/-/pixelmatch-4.0.2.tgz";
         sha1 = "8f47dcec5011b477b67db03c243bc1f3085e8854";
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     {
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       path = fetchurl {
-        name = "pkg-up-2.0.0.tgz";
+        name = "pkg_up___pkg_up_2.0.0.tgz";
         url  = "https://registry.yarnpkg.com/pkg-up/-/pkg-up-2.0.0.tgz";
         sha1 = "c819ac728059a461cab1c3889a2be3c49a004d7f";
       };
     }
 
     {
-      name = "png-to-ico-1.0.7.tgz";
+      name = "png_to_ico___png_to_ico_1.0.7.tgz";
       path = fetchurl {
-        name = "png-to-ico-1.0.7.tgz";
+        name = "png_to_ico___png_to_ico_1.0.7.tgz";
         url  = "https://registry.yarnpkg.com/png-to-ico/-/png-to-ico-1.0.7.tgz";
         sha1 = "9346b5f4d6fd7e94cb08fd49eeb585f501c3e5f2";
       };
     }
 
     {
-      name = "pngjs-3.4.0.tgz";
+      name = "pngjs___pngjs_3.4.0.tgz";
       path = fetchurl {
-        name = "pngjs-3.4.0.tgz";
+        name = "pngjs___pngjs_3.4.0.tgz";
         url  = "https://registry.yarnpkg.com/pngjs/-/pngjs-3.4.0.tgz";
         sha1 = "99ca7d725965fb655814eaf65f38f12bbdbf555f";
       };
     }
 
     {
-      name = "process-0.5.2.tgz";
+      name = "process___process_0.5.2.tgz";
       path = fetchurl {
-        name = "process-0.5.2.tgz";
+        name = "process___process_0.5.2.tgz";
         url  = "https://registry.yarnpkg.com/process/-/process-0.5.2.tgz";
         sha1 = "1638d8a8e34c2f440a91db95ab9aeb677fc185cf";
       };
     }
 
     {
-      name = "psl-1.1.31.tgz";
+      name = "psl___psl_1.1.31.tgz";
       path = fetchurl {
-        name = "psl-1.1.31.tgz";
+        name = "psl___psl_1.1.31.tgz";
         url  = "https://registry.yarnpkg.com/psl/-/psl-1.1.31.tgz";
         sha1 = "e9aa86d0101b5b105cbe93ac6b784cd547276184";
       };
     }
 
     {
-      name = "punycode-1.4.1.tgz";
+      name = "punycode___punycode_1.4.1.tgz";
       path = fetchurl {
-        name = "punycode-1.4.1.tgz";
+        name = "punycode___punycode_1.4.1.tgz";
         url  = "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz";
         sha1 = "c0d5a63b2718800ad8e1eb0fa5269c84dd41845e";
       };
     }
 
     {
-      name = "punycode-2.1.1.tgz";
+      name = "punycode___punycode_2.1.1.tgz";
       path = fetchurl {
-        name = "punycode-2.1.1.tgz";
+        name = "punycode___punycode_2.1.1.tgz";
         url  = "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz";
         sha1 = "b58b010ac40c22c5657616c8d2c2c02c7bf479ec";
       };
     }
 
     {
-      name = "qs-6.5.2.tgz";
+      name = "qs___qs_6.5.2.tgz";
       path = fetchurl {
-        name = "qs-6.5.2.tgz";
+        name = "qs___qs_6.5.2.tgz";
         url  = "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz";
         sha1 = "cb3ae806e8740444584ef154ce8ee98d403f3e36";
       };
     }
 
     {
-      name = "read-chunk-1.0.1.tgz";
+      name = "read_chunk___read_chunk_1.0.1.tgz";
       path = fetchurl {
-        name = "read-chunk-1.0.1.tgz";
+        name = "read_chunk___read_chunk_1.0.1.tgz";
         url  = "https://registry.yarnpkg.com/read-chunk/-/read-chunk-1.0.1.tgz";
         sha1 = "5f68cab307e663f19993527d9b589cace4661194";
       };
     }
 
     {
-      name = "request-2.88.0.tgz";
+      name = "request___request_2.88.0.tgz";
       path = fetchurl {
-        name = "request-2.88.0.tgz";
+        name = "request___request_2.88.0.tgz";
         url  = "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz";
         sha1 = "9c2fca4f7d35b592efe57c7f0a55e81052124fef";
       };
     }
 
     {
-      name = "safe-buffer-5.1.2.tgz";
+      name = "safe_buffer___safe_buffer_5.1.2.tgz";
       path = fetchurl {
-        name = "safe-buffer-5.1.2.tgz";
+        name = "safe_buffer___safe_buffer_5.1.2.tgz";
         url  = "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz";
         sha1 = "991ec69d296e0313747d59bdfd2b745c35f8828d";
       };
     }
 
     {
-      name = "safer-buffer-2.1.2.tgz";
+      name = "safer_buffer___safer_buffer_2.1.2.tgz";
       path = fetchurl {
-        name = "safer-buffer-2.1.2.tgz";
+        name = "safer_buffer___safer_buffer_2.1.2.tgz";
         url  = "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz";
         sha1 = "44fa161b0187b9549dd84bb91802f9bd8385cd6a";
       };
     }
 
     {
-      name = "sax-1.2.4.tgz";
+      name = "sax___sax_1.2.4.tgz";
       path = fetchurl {
-        name = "sax-1.2.4.tgz";
+        name = "sax___sax_1.2.4.tgz";
         url  = "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz";
         sha1 = "2816234e2378bddc4e5354fab5caa895df7100d9";
       };
     }
 
     {
-      name = "signal-exit-3.0.2.tgz";
+      name = "signal_exit___signal_exit_3.0.2.tgz";
       path = fetchurl {
-        name = "signal-exit-3.0.2.tgz";
+        name = "signal_exit___signal_exit_3.0.2.tgz";
         url  = "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz";
         sha1 = "b5fdc08f1287ea1178628e415e25132b73646c6d";
       };
     }
 
     {
-      name = "sshpk-1.16.1.tgz";
+      name = "sshpk___sshpk_1.16.1.tgz";
       path = fetchurl {
-        name = "sshpk-1.16.1.tgz";
+        name = "sshpk___sshpk_1.16.1.tgz";
         url  = "https://registry.yarnpkg.com/sshpk/-/sshpk-1.16.1.tgz";
         sha1 = "fb661c0bef29b39db40769ee39fa70093d6f6877";
       };
     }
 
     {
-      name = "stream-to-buffer-0.1.0.tgz";
+      name = "stream_to_buffer___stream_to_buffer_0.1.0.tgz";
       path = fetchurl {
-        name = "stream-to-buffer-0.1.0.tgz";
+        name = "stream_to_buffer___stream_to_buffer_0.1.0.tgz";
         url  = "https://registry.yarnpkg.com/stream-to-buffer/-/stream-to-buffer-0.1.0.tgz";
         sha1 = "26799d903ab2025c9bd550ac47171b00f8dd80a9";
       };
     }
 
     {
-      name = "stream-to-0.2.2.tgz";
+      name = "stream_to___stream_to_0.2.2.tgz";
       path = fetchurl {
-        name = "stream-to-0.2.2.tgz";
+        name = "stream_to___stream_to_0.2.2.tgz";
         url  = "https://registry.yarnpkg.com/stream-to/-/stream-to-0.2.2.tgz";
         sha1 = "84306098d85fdb990b9fa300b1b3ccf55e8ef01d";
       };
     }
 
     {
-      name = "string.prototype.trim-1.1.2.tgz";
+      name = "string.prototype.trim___string.prototype.trim_1.1.2.tgz";
       path = fetchurl {
-        name = "string.prototype.trim-1.1.2.tgz";
+        name = "string.prototype.trim___string.prototype.trim_1.1.2.tgz";
         url  = "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz";
         sha1 = "d04de2c89e137f4d7d206f086b5ed2fae6be8cea";
       };
     }
 
     {
-      name = "tinycolor2-1.4.1.tgz";
+      name = "tinycolor2___tinycolor2_1.4.1.tgz";
       path = fetchurl {
-        name = "tinycolor2-1.4.1.tgz";
+        name = "tinycolor2___tinycolor2_1.4.1.tgz";
         url  = "https://registry.yarnpkg.com/tinycolor2/-/tinycolor2-1.4.1.tgz";
         sha1 = "f4fad333447bc0b07d4dc8e9209d8f39a8ac77e8";
       };
     }
 
     {
-      name = "tough-cookie-2.4.3.tgz";
+      name = "tough_cookie___tough_cookie_2.4.3.tgz";
       path = fetchurl {
-        name = "tough-cookie-2.4.3.tgz";
+        name = "tough_cookie___tough_cookie_2.4.3.tgz";
         url  = "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz";
         sha1 = "53f36da3f47783b0925afa06ff9f3b165280f781";
       };
     }
 
     {
-      name = "tunnel-agent-0.6.0.tgz";
+      name = "tunnel_agent___tunnel_agent_0.6.0.tgz";
       path = fetchurl {
-        name = "tunnel-agent-0.6.0.tgz";
+        name = "tunnel_agent___tunnel_agent_0.6.0.tgz";
         url  = "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz";
         sha1 = "27a5dea06b36b04a0a9966774b290868f0fc40fd";
       };
     }
 
     {
-      name = "tweetnacl-0.14.5.tgz";
+      name = "tweetnacl___tweetnacl_0.14.5.tgz";
       path = fetchurl {
-        name = "tweetnacl-0.14.5.tgz";
+        name = "tweetnacl___tweetnacl_0.14.5.tgz";
         url  = "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz";
         sha1 = "5ae68177f192d4456269d108afa93ff8743f4f64";
       };
     }
 
     {
-      name = "untildify-3.0.3.tgz";
+      name = "untildify___untildify_3.0.3.tgz";
       path = fetchurl {
-        name = "untildify-3.0.3.tgz";
+        name = "untildify___untildify_3.0.3.tgz";
         url  = "https://registry.yarnpkg.com/untildify/-/untildify-3.0.3.tgz";
         sha1 = "1e7b42b140bcfd922b22e70ca1265bfe3634c7c9";
       };
     }
 
     {
-      name = "uri-js-4.2.2.tgz";
+      name = "uri_js___uri_js_4.2.2.tgz";
       path = fetchurl {
-        name = "uri-js-4.2.2.tgz";
+        name = "uri_js___uri_js_4.2.2.tgz";
         url  = "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz";
         sha1 = "94c540e1ff772956e2299507c010aea6c8838eb0";
       };
     }
 
     {
-      name = "url-regex-3.2.0.tgz";
+      name = "url_regex___url_regex_3.2.0.tgz";
       path = fetchurl {
-        name = "url-regex-3.2.0.tgz";
+        name = "url_regex___url_regex_3.2.0.tgz";
         url  = "https://registry.yarnpkg.com/url-regex/-/url-regex-3.2.0.tgz";
         sha1 = "dbad1e0c9e29e105dd0b1f09f6862f7fdb482724";
       };
     }
 
     {
-      name = "uuid-3.3.2.tgz";
+      name = "uuid___uuid_3.3.2.tgz";
       path = fetchurl {
-        name = "uuid-3.3.2.tgz";
+        name = "uuid___uuid_3.3.2.tgz";
         url  = "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz";
         sha1 = "1b4af4955eb3077c501c23872fc6513811587131";
       };
     }
 
     {
-      name = "verror-1.10.0.tgz";
+      name = "verror___verror_1.10.0.tgz";
       path = fetchurl {
-        name = "verror-1.10.0.tgz";
+        name = "verror___verror_1.10.0.tgz";
         url  = "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz";
         sha1 = "3a105ca17053af55d6e270c1f8288682e18da400";
       };
     }
 
     {
-      name = "winreg-1.2.4.tgz";
+      name = "winreg___winreg_1.2.4.tgz";
       path = fetchurl {
-        name = "winreg-1.2.4.tgz";
+        name = "winreg___winreg_1.2.4.tgz";
         url  = "https://registry.yarnpkg.com/winreg/-/winreg-1.2.4.tgz";
         sha1 = "ba065629b7a925130e15779108cf540990e98d1b";
       };
     }
 
     {
-      name = "write-file-atomic-2.4.2.tgz";
+      name = "write_file_atomic___write_file_atomic_2.4.2.tgz";
       path = fetchurl {
-        name = "write-file-atomic-2.4.2.tgz";
+        name = "write_file_atomic___write_file_atomic_2.4.2.tgz";
         url  = "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-2.4.2.tgz";
         sha1 = "a7181706dfba17855d221140a9c06e15fcdd87b9";
       };
     }
 
     {
-      name = "xhr-2.5.0.tgz";
+      name = "xhr___xhr_2.5.0.tgz";
       path = fetchurl {
-        name = "xhr-2.5.0.tgz";
+        name = "xhr___xhr_2.5.0.tgz";
         url  = "https://registry.yarnpkg.com/xhr/-/xhr-2.5.0.tgz";
         sha1 = "bed8d1676d5ca36108667692b74b316c496e49dd";
       };
     }
 
     {
-      name = "xml-parse-from-string-1.0.1.tgz";
+      name = "xml_parse_from_string___xml_parse_from_string_1.0.1.tgz";
       path = fetchurl {
-        name = "xml-parse-from-string-1.0.1.tgz";
+        name = "xml_parse_from_string___xml_parse_from_string_1.0.1.tgz";
         url  = "https://registry.yarnpkg.com/xml-parse-from-string/-/xml-parse-from-string-1.0.1.tgz";
         sha1 = "a9029e929d3dbcded169f3c6e28238d95a5d5a28";
       };
     }
 
     {
-      name = "xml2js-0.4.19.tgz";
+      name = "xml2js___xml2js_0.4.19.tgz";
       path = fetchurl {
-        name = "xml2js-0.4.19.tgz";
+        name = "xml2js___xml2js_0.4.19.tgz";
         url  = "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.19.tgz";
         sha1 = "686c20f213209e94abf0d1bcf1efaa291c7827a7";
       };
     }
 
     {
-      name = "xmlbuilder-9.0.7.tgz";
+      name = "xmlbuilder___xmlbuilder_9.0.7.tgz";
       path = fetchurl {
-        name = "xmlbuilder-9.0.7.tgz";
+        name = "xmlbuilder___xmlbuilder_9.0.7.tgz";
         url  = "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-9.0.7.tgz";
         sha1 = "132ee63d2ec5565c557e20f4c22df9aca686b10d";
       };
     }
 
     {
-      name = "xtend-4.0.1.tgz";
+      name = "xtend___xtend_4.0.1.tgz";
       path = fetchurl {
-        name = "xtend-4.0.1.tgz";
+        name = "xtend___xtend_4.0.1.tgz";
         url  = "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz";
         sha1 = "a5c6d532be656e23db820efb943a1f04998d63af";
       };
diff --git a/pkgs/applications/networking/instant-messengers/riot/riot-desktop.nix b/pkgs/applications/networking/instant-messengers/riot/riot-desktop.nix
index 03f1cc2471e..0d10d1ae8be 100644
--- a/pkgs/applications/networking/instant-messengers/riot/riot-desktop.nix
+++ b/pkgs/applications/networking/instant-messengers/riot/riot-desktop.nix
@@ -1,4 +1,6 @@
-{ stdenv, fetchFromGitHub, yarn2nix, makeWrapper, makeDesktopItem, electron, riot-web }:
+{ pkgs, stdenv, fetchFromGitHub, makeWrapper, makeDesktopItem, electron, riot-web }:
+
+with (import ./yarn2nix.nix { inherit pkgs; });
 
 let
   executableName = "riot-desktop";
@@ -10,7 +12,7 @@ let
     sha256 = "152mi81miams5a7l9rd12bnf6wkd1r0lyicgr35r5fq0p6z7a4dk";
   };
 
-in yarn2nix.mkYarnPackage rec {
+in mkYarnPackage rec {
   name = "riot-desktop-${version}";
   inherit version;
 
@@ -48,6 +50,12 @@ in yarn2nix.mkYarnPackage rec {
       --add-flags "$out/share/riot/electron"
   '';
 
+  # Do not attempt generating a tarball for riot-web again.
+  # note: `doDist = false;` does not work.
+  distPhase = ''
+    true
+  '';
+
   # The desktop item properties should be kept in sync with data from upstream:
   # * productName and description from
   #   https://github.com/vector-im/riot-web/blob/develop/electron_app/package.json
diff --git a/pkgs/applications/networking/instant-messengers/riot/yarn2nix.nix b/pkgs/applications/networking/instant-messengers/riot/yarn2nix.nix
new file mode 100644
index 00000000000..d243d9356bd
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/riot/yarn2nix.nix
@@ -0,0 +1,321 @@
+{ pkgs ? import <nixpkgs> {}
+, nodejs ? pkgs.nodejs
+, yarn ? pkgs.yarn
+}:
+
+let
+  inherit (pkgs) stdenv lib fetchurl linkFarm;
+in rec {
+  # Export yarn again to make it easier to find out which yarn was used.
+  inherit yarn;
+
+  # Re-export pkgs
+  inherit pkgs;
+
+  unlessNull = item: alt:
+    if item == null then alt else item;
+
+  reformatPackageName = pname:
+    let
+      # regex adapted from `validate-npm-package-name`
+      # will produce 3 parts e.g.
+      # "@someorg/somepackage" -> [ "@someorg/" "someorg" "somepackage" ]
+      # "somepackage" -> [ null null "somepackage" ]
+      parts = builtins.tail (builtins.match "^(@([^/]+)/)?([^/]+)$" pname);
+      # if there is no organisation we need to filter out null values.
+      non-null = builtins.filter (x: x != null) parts;
+    in builtins.concatStringsSep "-" non-null;
+
+  # https://docs.npmjs.com/files/package.json#license
+  # TODO: support expression syntax (OR, AND, etc)
+  spdxLicense = licstr:
+    if licstr == "UNLICENSED" then
+      lib.licenses.unfree
+    else
+      lib.findFirst
+        (l: l ? spdxId && l.spdxId == licstr)
+        { shortName = licstr; }
+        (builtins.attrValues lib.licenses);
+
+  # Generates the yarn.nix from the yarn.lock file
+  mkYarnNix = yarnLock:
+    pkgs.runCommand "yarn.nix" {}
+      "${yarn2nix}/bin/yarn2nix --lockfile ${yarnLock} --no-patch > $out";
+
+  # Loads the generated offline cache. This will be used by yarn as
+  # the package source.
+  importOfflineCache = yarnNix:
+    let
+      pkg = import yarnNix { inherit fetchurl linkFarm; };
+    in
+      pkg.offline_cache;
+
+  defaultYarnFlags = [
+    "--offline"
+    "--frozen-lockfile"
+    "--ignore-engines"
+    "--ignore-scripts"
+  ];
+
+  mkYarnModules = {
+    name,
+    pname,
+    version,
+    packageJSON,
+    yarnLock,
+    yarnNix ? mkYarnNix yarnLock,
+    yarnFlags ? defaultYarnFlags,
+    pkgConfig ? {},
+    preBuild ? "",
+    workspaceDependencies ? [],
+  }:
+    let
+      offlineCache = importOfflineCache yarnNix;
+      extraBuildInputs = (lib.flatten (builtins.map (key:
+        pkgConfig.${key} . buildInputs or []
+      ) (builtins.attrNames pkgConfig)));
+      postInstall = (builtins.map (key:
+        if (pkgConfig.${key} ? postInstall) then
+          ''
+            for f in $(find -L -path '*/node_modules/${key}' -type d); do
+              (cd "$f" && (${pkgConfig.${key}.postInstall}))
+            done
+          ''
+        else
+          ""
+      ) (builtins.attrNames pkgConfig));
+      workspaceJSON = pkgs.writeText
+        "${name}-workspace-package.json"
+        (builtins.toJSON { private = true; workspaces = ["deps/**"]; }); # scoped packages need second splat
+      workspaceDependencyLinks = lib.concatMapStringsSep "\n"
+        (dep: ''
+          mkdir -p "deps/${dep.pname}"
+          ln -sf ${dep.packageJSON} "deps/${dep.pname}/package.json"
+        '')
+        workspaceDependencies;
+    in stdenv.mkDerivation {
+      inherit preBuild name;
+      phases = ["configurePhase" "buildPhase"];
+      buildInputs = [ yarn nodejs ] ++ extraBuildInputs;
+
+      configurePhase = ''
+        # Yarn writes cache directories etc to $HOME.
+        export HOME=$PWD/yarn_home
+      '';
+
+      buildPhase = ''
+        runHook preBuild
+
+        mkdir -p "deps/${pname}"
+        cp ${packageJSON} "deps/${pname}/package.json"
+        cp ${workspaceJSON} ./package.json
+        cp ${yarnLock} ./yarn.lock
+        chmod +w ./yarn.lock
+
+        yarn config --offline set yarn-offline-mirror ${offlineCache}
+
+        # Do not look up in the registry, but in the offline cache.
+        # TODO: Ask upstream to fix this mess.
+        sed -i -E '/resolved /{s|https://registry.yarnpkg.com/||;s|[@/:-]|_|g}' yarn.lock
+
+        ${workspaceDependencyLinks}
+        yarn install ${lib.escapeShellArgs yarnFlags}
+
+        ${lib.concatStringsSep "\n" postInstall}
+
+        mkdir $out
+        mv node_modules $out/
+        mv deps $out/
+        patchShebangs $out
+      '';
+    };
+
+  # This can be used as a shellHook in mkYarnPackage. It brings the built node_modules into
+  # the shell-hook environment.
+  linkNodeModulesHook = ''
+    if [[ -d node_modules || -L node_modules ]]; then
+      echo "./node_modules is present. Replacing."
+      rm -rf node_modules
+    fi
+
+    ln -s "$node_modules" node_modules
+  '';
+
+  mkYarnWorkspace = {
+    src,
+    packageJSON ? src+"/package.json",
+    yarnLock ? src+"/yarn.lock",
+    packageOverrides ? {},
+    ...
+  }@attrs:
+  let
+    package = lib.importJSON packageJSON;
+    packageGlobs = package.workspaces;
+    globElemToRegex = lib.replaceStrings ["*"] [".*"];
+    # PathGlob -> [PathGlobElem]
+    splitGlob = lib.splitString "/";
+    # Path -> [PathGlobElem] -> [Path]
+    # Note: Only directories are included, everything else is filtered out
+    expandGlobList = base: globElems:
+    let
+      elemRegex = globElemToRegex (lib.head globElems);
+      rest = lib.tail globElems;
+      children = lib.attrNames (lib.filterAttrs (name: type: type == "directory") (builtins.readDir base));
+      matchingChildren = lib.filter (child: builtins.match elemRegex child != null) children;
+    in if globElems == []
+      then [ base ]
+      else lib.concatMap (child: expandGlobList (base+("/"+child)) rest) matchingChildren;
+    # Path -> PathGlob -> [Path]
+    expandGlob = base: glob: expandGlobList base (splitGlob glob);
+    packagePaths = lib.concatMap (expandGlob src) packageGlobs;
+    packages = lib.listToAttrs (map (src:
+    let
+      packageJSON = src+"/package.json";
+      package = lib.importJSON packageJSON;
+      allDependencies = lib.foldl (a: b: a // b) {} (map (field: lib.attrByPath [field] {} package) ["dependencies" "devDependencies"]);
+    in rec {
+      name = reformatPackageName package.name;
+      value = mkYarnPackage (builtins.removeAttrs attrs ["packageOverrides"] // {
+        inherit src packageJSON yarnLock;
+        workspaceDependencies = lib.mapAttrsToList (name: version: packages.${name})
+          (lib.filterAttrs (name: version: packages ? ${name}) allDependencies);
+      } // lib.attrByPath [name] {} packageOverrides);
+    }) packagePaths);
+  in packages;
+
+  mkYarnPackage = {
+    name ? null,
+    src,
+    packageJSON ? src + "/package.json",
+    yarnLock ? src + "/yarn.lock",
+    yarnNix ? mkYarnNix yarnLock,
+    yarnFlags ? defaultYarnFlags,
+    yarnPreBuild ? "",
+    pkgConfig ? {},
+    extraBuildInputs ? [],
+    publishBinsFor ? null,
+    workspaceDependencies ? [],
+    ...
+  }@attrs:
+    let
+      package = lib.importJSON packageJSON;
+      pname = package.name;
+      safeName = reformatPackageName pname;
+      version = package.version;
+      baseName = unlessNull name "${safeName}-${version}";
+      deps = mkYarnModules {
+        name = "${safeName}-modules-${version}";
+        preBuild = yarnPreBuild;
+        workspaceDependencies = workspaceDependenciesTransitive;
+        inherit packageJSON pname version yarnLock yarnNix yarnFlags pkgConfig;
+      };
+      publishBinsFor_ = unlessNull publishBinsFor [pname];
+      linkDirFunction = ''
+        linkDirToDirLinks() {
+          target=$1
+          if [ ! -f "$target" ]; then
+            mkdir -p "$target"
+          elif [ -L "$target" ]; then
+            local new=$(mktemp -d)
+            trueSource=$(realpath "$target")
+            if [ "$(ls $trueSource | wc -l)" -gt 0 ]; then
+              ln -s $trueSource/* $new/
+            fi
+            rm -r "$target"
+            mv "$new" "$target"
+          fi
+        }
+      '';
+      workspaceDependenciesTransitive = lib.unique ((lib.flatten (builtins.map (dep: dep.workspaceDependencies) workspaceDependencies)) ++ workspaceDependencies);
+      workspaceDependencyCopy = lib.concatMapStringsSep "\n"
+        (dep: ''
+          # ensure any existing scope directory is not a symlink
+          linkDirToDirLinks "$(dirname node_modules/${dep.pname})"
+          mkdir -p "deps/${dep.pname}"
+          tar -xf "${dep}/tarballs/${dep.name}.tgz" --directory "deps/${dep.pname}" --strip-components=1
+          if [ ! -e "deps/${dep.pname}/node_modules" ]; then
+            ln -s "${deps}/deps/${dep.pname}/node_modules" "deps/${dep.pname}/node_modules"
+          fi
+        '')
+        workspaceDependenciesTransitive;
+    in stdenv.mkDerivation (builtins.removeAttrs attrs ["pkgConfig" "workspaceDependencies"] // {
+      inherit src;
+
+      name = baseName;
+
+      buildInputs = [ yarn nodejs ] ++ extraBuildInputs;
+
+      node_modules = deps + "/node_modules";
+
+      configurePhase = attrs.configurePhase or ''
+        runHook preConfigure
+
+        for localDir in npm-packages-offline-cache node_modules; do
+          if [[ -d $localDir || -L $localDir ]]; then
+            echo "$localDir dir present. Removing."
+            rm -rf $localDir
+          fi
+        done
+
+        mkdir -p "deps/${pname}"
+        shopt -s extglob
+        cp -r !(deps) "deps/${pname}"
+        shopt -u extglob
+        ln -s ${deps}/deps/${pname}/node_modules "deps/${pname}/node_modules"
+
+        cp -r $node_modules node_modules
+        chmod -R +w node_modules
+
+        ${linkDirFunction}
+        linkDirToDirLinks "$(dirname node_modules/${pname})"
+        ln -s "deps/${pname}" "node_modules/${pname}"
+        ${workspaceDependencyCopy}
+
+        # Help yarn commands run in other phases find the package
+        echo "--cwd deps/${pname}" > .yarnrc
+        runHook postConfigure
+      '';
+
+      # Replace this phase on frontend packages where only the generated
+      # files are an interesting output.
+      installPhase = attrs.installPhase or ''
+        runHook preInstall
+
+        mkdir -p $out/{bin,libexec/${pname}}
+        mv node_modules $out/libexec/${pname}/node_modules
+        mv deps $out/libexec/${pname}/deps
+        node ${./nix/fixup_bin.js} $out/bin $out/libexec/${pname}/node_modules ${lib.concatStringsSep " " publishBinsFor_}
+
+        runHook postInstall
+      '';
+
+      doDist = true;
+      distPhase = attrs.distPhase or ''
+        # pack command ignores cwd option
+        rm -f .yarnrc
+        cd $out/libexec/${pname}/deps/${pname}
+        mkdir -p $out/tarballs/
+        yarn pack --ignore-scripts --filename $out/tarballs/${baseName}.tgz
+      '';
+
+      passthru = {
+        inherit pname package packageJSON deps;
+        workspaceDependencies = workspaceDependenciesTransitive;
+      } // (attrs.passthru or {});
+
+      meta = {
+        inherit (nodejs.meta) platforms;
+        description = packageJSON.description or "";
+        homepage = packageJSON.homepage or "";
+        version = packageJSON.version or "";
+        license = if packageJSON ? license then spdxLicense packageJSON.license else "";
+      } // (attrs.meta or {});
+    });
+
+  yarn2nix = mkYarnPackage {
+    src = ./.;
+    # yarn2nix is the only package that requires the yarnNix option.
+    # All the other projects can auto-generate that file.
+    yarnNix = ./yarn.nix;
+  };
+}