Exception when handling "copied" status

[BinaryMuse]

$ git status
On branch mkt-gql-login
Your branch is up-to-date with 'origin/mkt-gql-login'.
Changes to be committed:
  (use "git reset HEAD <file>..." to unstage)

	modified:   lib/controllers/github-controller.js
	modified:   lib/git-shell-out-strategy.js
	new file:   lib/models/github-login-model.js
	modified:   package.json
	new file:   styles/github-controller.less
	copied:     styles/github-panel.less -> styles/github-login-view.less
	modified:   styles/github-panel.less

GSOS#getStatusesForChangedFiles is getting the output

M  lib/controllers/github-controller.js
MM lib/git-shell-out-strategy.js
A  lib/models/github-login-model.js
M  package.json
A  styles/github-controller.less
C  styles/github-login-view.less
styles/github-panel.less
M  styles/github-panel.less

The second to last line, which is the file that the file on the line before it was copied from, is causing the regex to fail. The following diff fixes:

diff --git a/lib/git-shell-out-strategy.js b/lib/git-shell-out-strategy.js
index e92a35f..d60fbb0 100644
--- a/lib/git-shell-out-strategy.js
+++ b/lib/git-shell-out-strategy.js
@@ -164,6 +164,7 @@ export default class GitShellOutStrategy {
 
     const statusMap = {
       'A': 'added',
+      'C': 'added', // technically copied, but we'll treat as added
       'M': 'modified',
       'D': 'deleted',
       'U': 'modified',
@@ -205,6 +206,10 @@ export default class GitShellOutStrategy {
         if (x !== ' ' && x !== '?') {
           stagedFiles[filePath] = statusMap[x];
         }
+        if (x === 'C') {
+          // skip the next line, which is the copied file
+          i++
+        }
       }
     }