https://superuser.com/questions/1247541/make-bash-completion-to-ignore-exe-extention-in-cygwin https://superuser.com/questions/1072481/tab-completion-for-command-arguments-fail-in-cygwin-due-to-exe-suffix https://github.com/scop/bash-completion/issues/164

QUILT_DIFF_ARGS="--color=auto -p ab"
QUILT_DIFF_OPTS="-p"
QUILT_REFRESH_ARGS="-p ab"
QUILT_PUSH_ARGS="--color=auto"
QUILT_SERIES_ARGS="--color=auto"
QUILT_PATCH_OPTS="--unified"

QUILT_NO_DIFF_INDEX=1
QUILT_NO_DIFF_TIMESTAMPS=1