Paths undefined for empty added/removed files

[colinodell]

This library does not correctly parse git diffs for empty files that are added or removed. Below are sample diffs and the resulting parse() output:

Adding an empty file

diff --git a/a.txt b/a.txt
new file mode 100644
index 0000000..7898192

{
  "hunks": [],
  "oldEndingNewLine": true,
  "newEndingNewLine": true,
  "newMode": "100644",
  "oldRevision": "0000000",
  "newRevision": "7898192",
  "type": "modify"
}

Removing an empty file

diff --git a/a.txt b/a.txt
deleted file mode 100644
index 7898192..0000000

{
  "hunks": [],
  "oldEndingNewLine": true,
  "newEndingNewLine": true,
  "oldMode": "100644",
  "oldRevision": "7898192",
  "newRevision": "0000000",
  "type": "modify"
}