git-gui: Protect ourselves from funny GIT_DIR/working directory setups.
tree7f0c642f30ca2b2c650fad247a6d8d094fab6b44
-rw-r--r-- 463 Makefile
-rw-r--r-- 1234 TODO
lrwxrwxrwx 7 git-citool -> git-gui
-rwxr-xr-x 67450 git-gui