Mac 10.9 执行 brew update 报错 error: pathspec 'master' did not match any file(s) known to git. 想在Mac 上面安装 tomcat 结果总是提示失败，报错 404 ，应该是软件源过期了，因此执行 sudo brew update 1 sudo brew update 可是悲剧的是却报告如下错误 Shell $ sudo brew update error: pathspec 'master' did not match any file(s) known to git. Error: Failure while executing: git checkout -q master 1234 $ sudo brew update error: pathspec 'master' did not match any file(s) known to git.Error: Failure while executing: git checkout -q master 网上搜寻了一下，找到解决方案 Shell sudo rm -rf /usr/local/.git 1 sudo rm -rf /usr/local/.git 然后再执行更新就正常了。 发布者 默默 码农 查看默默的所有文章