在git项目下执行git difftool，出现如下报错
/Library/Developer/CommandLineTools/usr/libexec/git-core/mergetools/diffmerge: line
121: diffmerge: command not found
解决方法
ln -s /Applications/DiffMerge.app/Contents/Resources/diffmerge.
sh /usr/local/bin/diffmerge
转载于:https://www.cnblogs.com/maozhige/p/4898309.html
相关资源：OS X 10.11 El Capitan 种子
