/testcases/git/additions:
.rw-rw-r-- 20 cassowary  1 Jan 12:34 NM edited
.rw-rw-r--  0 cassowary  1 Jan 12:34 N- staged
.rw-rw-r--  0 cassowary  1 Jan 12:34 -N unstaged

/testcases/git/edits:
.rw-rw-r-- 20 cassowary  1 Jan 12:34 MM both
.rw-rw-r-- 15 cassowary  1 Jan 12:34 M- staged
.rw-rw-r-- 20 cassowary  1 Jan 12:34 -M unstaged