restore old behavior (diff to last commit) for commits with no or more parents
tree80e4bb347283abe0c7ae2c6bd3399e232d5e8193
-rw-r--r-- 596 .gitignore
-rw-r--r-- 495 .gitmodules
drwxr-xr-x - Languages
-rw-r--r-- 3425 build.txt
drwxr-xr-x - common
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
drwxr-xr-x - src
drwxr-xr-x - test