gitcmds: add mechanism for setting global diff options
treeb0da62b161ceff65ec9e398255a9761911f42c35
-rw-r--r-- 117 .gitignore
-rw-r--r-- 81 .mailmap
-rw-r--r-- 17987 COPYING
-rw-r--r-- 105 COPYRIGHT
-rw-r--r-- 3750 Makefile
-rw-r--r-- 3706 README.md
drwxr-xr-x - bin
drwxr-xr-x - cola
drwxr-xr-x - darwin
drwxr-xr-x - extras
drwxr-xr-x - po
-rw-r--r-- 306 setup.cfg
-rwxr-xr-x 3417 setup.py
drwxr-xr-x - share
drwxr-xr-x - test
drwxr-xr-x - win32