src/app/dialogs/update-progress-dialog/update-progress-dialog.component.html

<h4 i18n="Update progress dialog title" mat-dialog-title>Updater</h4>

<mat-dialog-content>
    <div *ngIf="updateStatus">
        <div style="margin-bottom: 8px;">
            <h6 *ngIf="updateStatus['updating']">Update in progress</h6>
            <h6 *ngIf="!updateStatus['updating'] && updateStatus['error']">Update failed</h6>
            <h6 *ngIf="!updateStatus['updating'] && !updateStatus['error']">Update succeeded!</h6>
        </div>
        <mat-progress-bar *ngIf="updateStatus['updating']" mode="indeterminate"></mat-progress-bar>
        <mat-progress-bar *ngIf="!updateStatus['updating']" mode="determinate" value="100"></mat-progress-bar>
        <p style="margin-top: 4px; font-size: 13px;" *ngIf="updateStatus['details']">{{updateStatus['details']}}</p>
    </div>
</mat-dialog-content>

<mat-dialog-actions>
    <button mat-button mat-dialog-close><ng-container i18n="Close update progress dialog">Close</ng-container></button>
</mat-dialog-actions>