git-gui: Don't create empty (same tree as parent) commits.
tree3c8ce648ed02475ab80c4e69d93bbda597bc2e2c
-rw-r--r-- 49 .gitignore
-rwxr-xr-x 1598 CREDITS-GEN
-rwxr-xr-x 1814 GIT-VERSION-GEN
-rw-r--r-- 1508 Makefile
-rwxr-xr-x 150750 git-gui.sh