Repository is not clean. Please commit or stash any changes before updating In Angular 8

Error

Repository is not clean. Please commit or stash any changes before updating
​

when i have updated from version 7 to Angular 8.

Angular Guide for upgrade https://update.angular.io/#7.0:8.0

D:\app-test> ng update @angular/cli @angular/core
npm cache verify

Repository is not clean. Please commit or stash any changes before updating.
​

Update Version

PS D:\app-test> ng update
Using package manager: 'npm'
Collecting installed dependencies...
Found 58 dependencies.
We analyzed your package.json, there are some packages to update:

Name Version Command to update
--------------------------------------------------------------------------------
@angular/cdk 7.2.2 -> 8.0.1 ng update @angular/cdk
@angular/core 7.2.15 -> 8.0.1 ng update @angular/core
@angular/core 7.2.2 -> 7.2.15 ng update @angular/core
@angular/material 7.3.7 -> 8.0.1 ng update @angular/material
rxjs 6.3.3 -> 6.5.2 ng update rxjs


There might be additional packages that are outdated.
Run "ng update --all" to try to update all at the same time.

PS D:\app-test> ng update @angular/cdk
Repository is not clean. Please commit or stash any changes before updating.


i have checked git was not installed in project.

solution that worked

git commit


After Googling i have This is happening After Angular 8.

Bug

https://github.com/angular/angular-cli/issues/14600

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