git-gui: Refactor current_diff -> current_diff_path.
treebd1ff7d330debdf14ea07ff1501561b9d81b19c9
-rw-r--r-- 36 .gitignore
-rwxr-xr-x 745 GIT-VERSION-GEN
-rw-r--r-- 1200 Makefile
-rw-r--r-- 1948 TODO
-rwxr-xr-x 99132 git-gui.sh