Fix Linux upgrade path

And show manual install message

CHANGELOG.md

@@ -47,6 +47,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
    * Fix claim ID being null when reporting a claim that was not previously download ([issue#1512](https://github.com/lbryio/lbry-app/issues/1512)) ([PR#1530](https://github.com/lbryio/lbry-app/pull/1530))
    * Fix URI and outpoint not being passed properly to API ([#1494](https://github.com/lbryio/lbry-app/issues/1494))
    * Fix incorrect markdown preview on url with parentheses ([#1570](https://github.com/lbryio/lbry-app/issues/1570))
+   * Fix Linux upgrade path and add manual installation note ([#1606](https://github.com/lbryio/lbry-app/issues/1606))
+
 
 
 ## [0.21.3] - 2018-04-23

src/renderer/modal/modalDownloading/index.js

@@ -1,17 +1,29 @@
 import React from 'react';
 import { connect } from 'react-redux';
 import { doStartUpgrade, doCancelUpgrade } from 'redux/actions/app';
-import { selectDownloadProgress, selectDownloadComplete } from 'redux/selectors/app';
+import { doHideNotification } from 'lbry-redux';
+import {
+  selectDownloadProgress,
+  selectDownloadComplete,
+  selectUpgradeDownloadPath,
+} from 'redux/selectors/app';
 import ModalDownloading from './view';
 
 const select = state => ({
   downloadProgress: selectDownloadProgress(state),
   downloadComplete: selectDownloadComplete(state),
+  downloadItem: selectUpgradeDownloadPath(state),
 });
 
 const perform = dispatch => ({
   startUpgrade: () => dispatch(doStartUpgrade()),
-  cancelUpgrade: () => dispatch(doCancelUpgrade()),
+  cancelUpgrade: () => {
+    dispatch(doHideNotification());
+    dispatch(doCancelUpgrade());
+  },
 });
 
-export default connect(select, perform)(ModalDownloading);
+export default connect(
+  select,
+  perform
+)(ModalDownloading);

src/renderer/modal/modalDownloading/view.jsx

@@ -5,7 +5,13 @@ import Button from 'component/button';
 
 class ModalDownloading extends React.PureComponent {
   render() {
-    const { downloadProgress, downloadComplete, startUpgrade, cancelUpgrade } = this.props;
+    const {
+      downloadProgress,
+      downloadComplete,
+      downloadItem,
+      startUpgrade,
+      cancelUpgrade,
+    } = this.props;
 
     return (
       <Modal isOpen contentLabel={__('Downloading Update')} type="custom">
@@ -21,6 +27,12 @@ class ModalDownloading extends React.PureComponent {
                 'The app will close, and you will be prompted to install the latest version of LBRY.'
               )}
             </p>
+            <p>
+              {__(
+                'To launch installation manually, close LBRY and run the command below in the terminal.'
+              )}
+            </p>
+            <blockquote>sudo dpkg -i {downloadItem}</blockquote>
             <p>{__('After the install is complete, please reopen the app.')}</p>
           </div>
         ) : null}