git-gui: Cache the GIT_COMMITTER_IDENT value on first sign-off.
tree3837fb087e9520b4e5f9556e977e92b430dba1d9
-rw-r--r-- 1314 TODO
lrwxrwxrwx 7 git-citool -> git-gui
-rwxr-xr-x 44126 git-gui