ng update gives error when dependency is local only

[hodlbank]

Versions

Angular CLI: 6.0.0-rc.10
Node: 8.11.1
OS: linux x64
Angular: 6.0.0-rc.6
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

Package                      Version
------------------------------------------------------
@angular-devkit/architect    0.5.13
@angular-devkit/core         0.5.13
@angular-devkit/schematics   0.5.13
@angular/cdk                 6.0.0-rc.14
@angular/cli                 6.0.0-rc.10
@angular/material            6.0.0-rc.14
@schematics/angular          0.5.13
@schematics/update           0.5.13
rxjs                         6.0.0
typescript                   2.8.3

Repro steps

• have Angular 5.x project with local-only dependencies, i.e. dependency added into package.json but does not exist in the npmjs.org repository .
• run ng update @angular/cli in order to convert .angular-cli.json into proper .angular.json

Observed behavior

> ng update @angular/cli --migrate-only --from=1.7.4
Registry returned 404 for GET on https://registry.npmjs.org/some-private-package

Desired behavior

I expect that ng update will just convert my .angular-cli.json into proper .angular.json without digging into my dependencies.

Mention any other details that might be useful (optional)

[james-tonicanalytics]

I am also experiencing this issue.

The temporary solution that stopped the error occurring was to delete the local dependency from the package.json file and then run ng update @angular/cli. Once the .angular-cli.json was migrated to angular.json, I added the local dependency back in.

[jycouet]

Hello,
I have the same issue!

What is really strange is that I have 2 local packages... And when I removed one, it's working!

[scottleedavis]

I have this problem too. Also I have the same problem with a github/gitlab reference, see #10642

[thorsten]

Same issue here.

[Al-Sharif]

Same here

[hansl]

I think the best way to fix this issue would be to return an EMPTY observable in the logic to request the package.json when it's a local package (here: https://github.com/angular/angular-cli/blob/master/packages/schematics/update/update/npm.ts#L110 …).

It's on our backlog but not our top priority. Would be easy to fix though. Great first bug :)

[daniloff200]

hey @hansl, @mgechev
I think, this issue can be closed, cause #13167 was merged

[mgechev]

Please, open a new issue if this is still reproducible with the latest CLI, following the template and providing a minimal demo.

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