Missing HTTP_NPM_SCOPE header when publishing

We are attempting to do a lerna publish to packagecloud.io. The packagecloud.io API is failing with a 422 indicating that the NPM_SCOPE parameter is not set properly. After speaking with one of their engineers, they are expecting that the HTTP_NPM_SCOPE parameter be set properly, and in fact it is not being passed.

Expected Behavior

We are expecting that lerna publish will publish to packagecloud.io.

Current Behavior

We are told that the HTTP_NPM_SCOPE parameter is not being set by lerna, when the publish is being called.

Possible Solution

Can we add that as part of the publish?

Steps to Reproduce (for bugs)

1. Have a packagecloud account.
2. nvm install (lts/dubnium) (this is node 10.15.3 and npm 6.4.1)
3. run npm publish ( It will publish)
4. run lerna publish (it will fail with a 422 indicating that the npm-scope variable is missing.)

lerna.json

<!-- Please paste your `lerna.json` here -->
{
  "packages": [
    "dev/*"
  ],
  "npmClient": "npm",
  "command": {
    "publish": {
      "yes": true,
      "ignoreChanges": [
        "*.md",
        "*.spec.js"
      ]
    }
  },
  "useWorkspaces": true,
  "version": "independent"
}

lerna-debug.log

<!-- If you have a `lerna-debug.log` available, please paste it here -->
<!-- Otherwise, feel free to delete this <details> block -->

Context

We want to use lerna to publish and maintain a monorepo. We can’t publish. Everything else works great, lerna version, lerna bootstrap, lerna list - but the publish doesn’t work.

Your Environment

Executable	Version
lerna --version	3.13.1
npm --version	6.4.1
yarn --version	1.12.3
node --version	10.15.3

OS	Version
ubuntu	14.04

[armandocanals]

Hi! Armando from packagecloud checking in.

After digging into this issue, it looks like what’s happening is that Lerna is passing the full @scope/package-name instead of just @scope to libnpmpublish which sets it as the HTTP_NPM_SCOPE header.

https://github.com/lerna/lerna/blob/a7ad9b60d27b390fde21fd2837f2d97320c4603e/utils/npm-publish/npm-publish.js#L34

The official registry supports both @scope and @scope/packagename for HTTP_NPM_SCOPE, but packagecloud does not.

From what I understand, this header is supposed to include just the @scope for a package.

I’m inclined to say that Lerna should only pass the @scope to libnpmpublish instead of the entire @scope/packagename, but I’m not familiar with the needs of the project, so I could be wrong.

We’re also discussing how to handle this better at packagecloud.

[evocateur]

The docs for project-scope are kinda vague on exactly what they should be used for. I’m cool with passing spec.scope (from npm-package-arg) there, instead.