1 files changed, 87 insertions, 0 deletions
diff --git a/deps/npm/lib/config/figgy-config.js b/deps/npm/lib/config/figgy-config.js
new file mode 100644
index 0000000000..9e9ca0ba56
--- /dev/null
+++ b/deps/npm/lib/config/figgy-config.js
@@ -0,0 +1,87 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const crypto = require('crypto')
+const figgyPudding = require('figgy-pudding')
+const log = require('npmlog')
+const npm = require('../npm.js')
+const pack = require('../pack.js')
+const path = require('path')
+
+const npmSession = crypto.randomBytes(8).toString('hex')
+log.verbose('npm-session', npmSession)
+
+const SCOPE_REGISTRY_REGEX = /@.*:registry$/gi
+const NpmConfig = figgyPudding({}, {
+  other (key) {
+    return key.match(SCOPE_REGISTRY_REGEX)
+  }
+})
+
+let baseConfig
+
+module.exports = mkConfig
+function mkConfig (...providers) {
+  if (!baseConfig) {
+    baseConfig = NpmConfig(npm.config, {
+      // Add some non-npm-config opts by hand.
+      cache: path.join(npm.config.get('cache'), '_cacache'),
+      // NOTE: npm has some magic logic around color distinct from the config
+      // value, so we have to override it here
+      color: !!npm.color,
+      dirPacker: pack.packGitDep,
+      hashAlgorithm: 'sha1',
+      includeDeprecated: false,
+      log,
+      'npm-session': npmSession,
+      'project-scope': npm.projectScope,
+      refer: npm.referer,
+      dmode: npm.modes.exec,
+      fmode: npm.modes.file,
+      umask: npm.modes.umask,
+      npmVersion: npm.version,
+      tmp: npm.tmp,
+      Promise: BB
+    })
+    const ownerStats = calculateOwner()
+    if (ownerStats.uid != null || ownerStats.gid != null) {
+      baseConfig = baseConfig.concat(ownerStats)
+    }
+  }
+  let conf = baseConfig.concat(...providers)
+  // Adapt some other configs if missing
+  if (npm.config.get('prefer-online') === undefined) {
+    conf = conf.concat({
+      'prefer-online': npm.config.get('cache-max') <= 0
+    })
+  }
+  if (npm.config.get('prefer-online') === undefined) {
+    conf = conf.concat({
+      'prefer-online': npm.config.get('cache-min') >= 9999
+    })
+  }
+  return conf
+}
+
+let effectiveOwner
+function calculateOwner () {
+  if (!effectiveOwner) {
+    effectiveOwner = { uid: 0, gid: 0 }
+
+    // Pretty much only on windows
+    if (!process.getuid) {
+      return effectiveOwner
+    }
+
+    effectiveOwner.uid = +process.getuid()
+    effectiveOwner.gid = +process.getgid()
+
+    if (effectiveOwner.uid === 0) {
+      if (process.env.SUDO_UID) effectiveOwner.uid = +process.env.SUDO_UID
+      if (process.env.SUDO_GID) effectiveOwner.gid = +process.env.SUDO_GID
+    }
+  }
+
+  return effectiveOwner
+}