1 files changed, 95 insertions, 0 deletions
diff --git a/deps/npm/node_modules/pacote/tarball.js b/deps/npm/node_modules/pacote/tarball.js
new file mode 100644
index 0000000000..f1f3ed9342
--- /dev/null
+++ b/deps/npm/node_modules/pacote/tarball.js
@@ -0,0 +1,95 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const cacache = require('cacache')
+const fs = require('fs')
+const getStream = require('get-stream')
+const mkdirp = BB.promisify(require('mkdirp'))
+const npa = require('npm-package-arg')
+const optCheck = require('./lib/util/opt-check')
+const path = require('path')
+const pipe = BB.promisify(require('mississippi').pipe)
+
+module.exports = tarball
+function tarball (spec, opts) {
+  opts = optCheck(opts)
+  spec = npa(spec, opts.where)
+  const startTime = Date.now()
+  if (opts.integrity && !opts.preferOnline) {
+    opts.log.silly('tarball', 'checking if', opts.integrity, 'is already cached')
+    return cacache.get.byDigest(opts.cache, opts.integrity).then(data => {
+      if (data) {
+        opts.log.silly('tarball', `cached content available for ${spec} (${Date.now() - startTime}ms)`)
+        return data
+      } else {
+        return getStream.buffer(tarballByManifest(startTime, spec, opts))
+      }
+    })
+  } else {
+    opts.log.silly('tarball', `no integrity hash provided for ${spec} - fetching by manifest`)
+    return getStream.buffer(tarballByManifest(startTime, spec, opts))
+  }
+}
+
+module.exports.stream = tarballStream
+function tarballStream (spec, opts) {
+  opts = optCheck(opts)
+  spec = npa(spec, opts.where)
+  const startTime = Date.now()
+  if (opts.integrity && !opts.preferOnline) {
+    opts.log.silly('tarball', 'checking if', opts.integrity, 'is already cached')
+    return cacache.get.hasContent(opts.cache, opts.integrity).then(info => {
+      if (info) {
+        opts.log.silly('tarball', `cached content available for ${spec} (${Date.now() - startTime}ms)`)
+        return cacache.get.stream.byDigest(opts.cache, opts.integrity, opts)
+      } else {
+        return tarballByManifest(startTime, spec, opts)
+      }
+    })
+  } else {
+    opts.log.silly('tarball', `no integrity hash provided for ${spec} - fetching by manifest`)
+    return tarballByManifest(startTime, spec, opts)
+  }
+}
+
+module.exports.toFile = tarballToFile
+function tarballToFile (spec, dest, opts) {
+  opts = optCheck(opts)
+  spec = npa(spec, opts.where)
+  const startTime = Date.now()
+  return mkdirp(path.dirname(dest)).then(() => {
+    if (opts.integrity && !opts.preferOnline) {
+      opts.log.silly('tarball', 'checking if', opts.integrity, 'is already cached')
+      return cacache.get.copy.byDigest(opts.cache, opts.integrity, dest, opts)
+      .then(() => {
+        opts.log.silly('tarball', `cached content for ${spec} copied (${Date.now() - startTime}ms)`)
+      }, err => {
+        if (err.code === 'ENOENT') {
+          return pipe(
+            tarballByManifest(startTime, spec, opts),
+            fs.createWriteStream(dest)
+          )
+        } else {
+          throw err
+        }
+      })
+    } else {
+      opts.log.silly('tarball', `no integrity hash provided for ${spec} - fetching by manifest`)
+      return pipe(
+        tarballByManifest(startTime, spec, opts),
+        fs.createWriteStream(dest)
+      )
+    }
+  })
+}
+
+let fetch
+function tarballByManifest (start, spec, opts) {
+  if (!fetch) {
+    fetch = require('./lib/fetch')
+  }
+  return fetch.tarball(spec, opts).on('end', () => {
+    opts.log.silly('tarball', `${spec} done in ${Date.now() - start}ms`)
+  })
+}