➜ project git:(master) gitk Error in startup script: unknown color name "lime" (processing "-fill" option) invoked from within "$progresscanv create rect -1 0 0 $h -fill lime" (procedure "makewindow" line 201) invoked from within
解决方法是：brew cask install tcl
参考链接：http://blog.csdn.net/natural_story/article/details/50607403