我正在尝试安装Homebrew，但我似乎无法做到这一点，每当我输入brew时，它都显示出来：
/usr/local/Library/Homebrew/brew.sh: line 71: uname: command not found
/usr/local/Library/Homebrew/brew.sh: line 95: uname: command not found
/usr/local/Library/Homebrew/brew.sh: line 98: uname: command not found
/usr/local/Library/Homebrew/brew.sh: line 101: head: command not found
/usr/local/Library/Homebrew/brew.sh: line 203: id: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 32: readlink: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 32: readlink: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 32: readlink: command not found
/usr/local/Library/Homebrew/utils/ruby.sh: line 34: which: command not found
/usr/local/Library/Homebrew/brew.sh: line 71: uname: command not found
/usr/local/Library/Homebrew/brew.sh: line 95: uname: command not found
/usr/local/Library/Homebrew/brew.sh: line 98: uname: command not found
/usr/local/Library/Homebrew/brew.sh: line 101: head: command not found
/usr/local/Library/Homebrew/brew.sh: line 203: id: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 32: readlink: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 32: readlink: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 52: tr: command not found
/usr/local/Library/Homebrew/shims/scm/git: line 32: readlink: command not found
Error: Cannot find a vendored version of ruby for your
processor on brew!
Error: Failed to install vendor Ruby.
我尝试输入brew，这种情况发生了（我没有任何东西，我不会，甚至没有BASH）。