TypeError: Cannot read property 'getPath' of undefined

[ToxicPie]

Prerequisites

• Put an X between the brackets on this line if you have done all of the following:
  • Reproduced the problem in Safe Mode: https://flight-manual.atom.io/hacking-atom/sections/debugging/#using-safe-mode
  • Followed all applicable steps in the debugging guide: https://flight-manual.atom.io/hacking-atom/sections/debugging/
  • Checked the FAQs on the message board for common solutions: https://discuss.atom.io/c/faq
  • Checked that your issue isn't already filed: https://github.com/issues?utf8=✓&q=is%3Aissue+user%3Aatom
  • Checked that there is not already an Atom package that provides the described functionality: https://atom.io/packages

Description

When renaming an opened file in a git repository with the tree view, it shows the line Cannot read property 'getPath' of undefined under the dialog (but the file is renamed). The exception is thrown inside the git-diff package and its stack trace is:

Stack trace

TypeError: Cannot read property 'getPath' of undefined
    at /usr/lib/atom/node_modules/git-diff/lib/git-diff-view.js:131:45
    at Function.simpleDispatch (/usr/lib/atom/node_modules/event-kit/dist/emitter.js:64:14)
    at Emitter.emit (/usr/lib/atom/node_modules/event-kit/dist/emitter.js:257:28)
    at /usr/lib/atom/src/text-editor.js:820:22
    at Function.simpleDispatch (/usr/lib/atom/node_modules/event-kit/dist/emitter.js:64:14)
    at Emitter.emit (/usr/lib/atom/node_modules/event-kit/dist/emitter.js:257:28)
    at TextBuffer.setFile (/usr/lib/atom/node_modules/text-buffer/lib/text-buffer.js:587:18)
    at TextBuffer.setPath (/usr/lib/atom/node_modules/text-buffer/lib/text-buffer.js:554:17)
    at /usr/lib/atom/node_modules/tree-view/lib/tree-view.js:149:34
    at Function.simpleDispatch (/usr/lib/atom/node_modules/event-kit/dist/emitter.js:64:14)
    at Emitter.emit (/usr/lib/atom/node_modules/event-kit/dist/emitter.js:257:28)
    at MoveDialog.onMove (/usr/lib/atom/node_modules/tree-view/lib/tree-view.js:1055:36)
    at MoveDialog.module.exports.MoveDialog.onConfirm (/usr/lib/atom/node_modules/tree-view/lib/move-dialog.js:65:16)
    at HTMLDivElement.Dialog.atom.commands.add.core:confirm (/usr/lib/atom/node_modules/tree-view/lib/dialog.js:53:26)
    at CommandRegistry.handleCommandEvent (/usr/lib/atom/src/command-registry.js:405:43)
    at KeymapManager.module.exports.KeymapManager.dispatchCommandEvent (/usr/lib/atom/node_modules/atom-keymap/lib/keymap-manager.js:617:16)
    at KeymapManager.module.exports.KeymapManager.handleKeyboardEvent (/usr/lib/atom/node_modules/atom-keymap/lib/keymap-manager.js:408:22)
    at WindowEventHandler.handleDocumentKeyEvent (/usr/lib/atom/src/window-event-handler.js:153:34)

Steps to Reproduce

1. Add any git repository to the project.
2. Open a file inside the repository.
3. Rename the opened file by right-clicking it in the tree view -> rename.

Versions

OS: Arch Linux
Atom:

Atom    : 1.57.0
Electron: 9.4.4
Chrome  : 83.0.4103.122
Node    : 12.14.1

[ThatXliner]

I can reproduce

Atom    : 1.57.0
Electron: 9.4.4
Chrome  : 83.0.4103.122
Node    : 12.14.1
apm  2.6.2
npm  6.14.13
node 12.14.1 x64
atom 1.57.0
python 3.7.9
git 2.30.1

MacOS 11.2.1 (Intel chip)

[icecream17]

Also reproduced

Atom    : 1.58.0-beta0
Electron: 9.4.4
Chrome  : 83.0.4103.122
Node    : 12.14.1
apm  2.6.2
npm  6.14.13
node 12.14.1 x64
atom 1.58.0-beta0
python 3.9.5
git 2.31.1.windows.1
visual studio 2015

Oops, after reproducing I realized I've already approved the pr.