6.0.0-rc.7 Regression: Cannot find package.json when running ng update

I’ve got a project I want to update to Angular v6. First step was to move update the CLI from 1.7.4 to 6.0.0-rc.7. Found that didn’t work.

Note that this error does not come up if you update to the previous 6.0.0-rc.6 version.

Versions

Started with this before changing my package.json to 6.0.0-rc.7

Angular CLI: 1.7.4
Node: 8.9.4
OS: darwin x64
Angular: 5.1.1
... animations, common, compiler, compiler-cli, core, forms
... http, platform-browser, platform-browser-dynamic, router

@angular/cdk: 5.2.4
@angular/cli: 1.7.4
@angular/material: 5.2.4
@angular/tsc-wrapped: 4.4.6
@ngtools/webpack: error
@schematics/package-update: 0.3.2
typescript: 2.4.2
webpack: error

Repro steps

• Step 1: Clone repo for test case https://github.com/andrewseguin/beautiful-day
• Step 2: Update CLI version from ^1.7.4 to 6.0.0-rc.7
• Step 3: Install packages: npm i
• Step 3: Run ng update @angular/cli

Observed behavior

An error message is printed telling me that it cannot find a package.json.

Could not find a package.json. Are you in a Node project?

Desired behavior

CLI successfully updates itself.

Mention any other details that might be useful (optional)

Do you intend to show a message when users update @angular/cli to v6 using yarn? I noticed that with npm i I see the following message:

====================================================================
The Angular CLI configuration format has been changed, and your existing configuration can
be updated automatically by running the following command:

  ng update @angular/cli
====================================================================

But if I do the update using yarn, no message is provided that lets me know to do anything.

[gerhardboer]

I’m having the same problem, and i’ve traced it down to a line in @angular/cli/models/schematic-command.js:73, where this.project.root is set to my User folder, instead of the project folder. If I set the property to an absolute URL of the location of the project, the command goes through as expected. I’m not sure (yet) how the project.root is set, but maybe this information helps

EDIT After some more research, i’ve found that a reference to .angular-cli.json is missing from line https://github.com/angular/angular-cli/blob/c7088901b70d850cc818d002daa30dd100d57c22/packages/%40angular/cli/lib/cli/index.ts#L52 .

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