uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/tools/yarn2nix-moretea/yarn2nix/lib/urlToName.js

@@ -0,0 +1,29 @@
+const path = require('path')
+
+// String -> String
+
+// @url examples:
+// - https://registry.yarnpkg.com/acorn-es7-plugin/-/acorn-es7-plugin-1.1.7.tgz
+// - https://registry.npmjs.org/acorn-es7-plugin/-/acorn-es7-plugin-1.1.7.tgz
+// - git+https://github.com/srghma/node-shell-quote.git
+// - git+https://1234user:1234pass@git.graphile.com/git/users/1234user/postgraphile-supporter.git
+// - https://codeload.github.com/Gargron/emoji-mart/tar.gz/934f314fd8322276765066e8a2a6be5bac61b1cf
+
+function urlToName(url) {
+
+  // Yarn generates `codeload.github.com` tarball URLs, where the final
+  // path component (file name) is the git hash. See #111.
+  // See also https://github.com/yarnpkg/yarn/blob/989a7406/src/resolvers/exotics/github-resolver.js#L24-L26
+  let isCodeloadGitTarballUrl =
+    url.startsWith('https://codeload.github.com/') && url.includes('/tar.gz/')
+
+  if (url.startsWith('git+') || isCodeloadGitTarballUrl) {
+    return path.basename(url)
+  }
+
+  return url
+    .replace(/https:\/\/(.)*(.com)\//g, '') // prevents having long directory names
+    .replace(/[@/%:-]/g, '_') // replace @ and : and - and % characters with underscore
+}
+
+module.exports = urlToName