john@startcraft ~/Projects/solus-packaging/atool $ git commit --amend -m "Inital commit of atool"
[master a253331] Inital commit of atool
 Date: Fri Jun 23 17:24:15 2017 +0100
 3 files changed, 55 insertions(+)
 create mode 100644 Makefile
 create mode 100644 package.yml
 create mode 100644 pspec_x86_64.xml
john@startcraft ~/Projects/solus-packaging/atool $ arc diff
You have uncommitted changes in this working copy.

  Working copy: /home/john/Projects/solus-packaging/atool/

  Unstaged changes in working copy:
    package.yml


    Do you want to amend this change to the current commit? [y/N] y

Linting...
No lint engine configured for this project.
Running unit tests...
No unit test engine is configured for this project.
 SKIP STAGING  Unable to determine repository for this change.
Updating commit message...
Created a new Differential revision:
        Revision URI: https://dev.solus-project.com/D480

Included changes:
  A       Makefile
  A       package.yml
  A       pspec_x86_64.xml