问运行RVM函数时语法错误

EN

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"

-bash: /Users/kevin/.rvm/scripts/rvm: line 28: syntax error near unexpected token `done'
-bash: /Users/kevin/.rvm/scripts/rvm: line 28: `  done'

#!/usr/bin/env bash

# rvm : Ruby enVironment Manager
# https://rvm.beginrescueend.com
# https://github.com/wayneeseguin/rvm

# Is RVM loaded as a shell function already?

export HOME="${HOME%%+(\/)}" # Remove trailing slashes if they exist on HOME

if (( ${rvm_ignore_rvmrc:=0} == 0 ))
then
  for rvmrc in /etc/rvmrc "$HOME/.rvmrc"
  do
    if [[ -f "$rvmrc" ]]
    then
      if \grep '^\s*rvm .*$' "$rvmrc" >/dev/null 2>&1
      then
        printf "\nError:
        $rvmrc is for rvm settings only.
        rvm CLI may NOT be called from within $rvmrc.
        Skipping the loading of $rvmrc"
        return 1
      else
        source "$rvmrc"
      fi
    fi
  done
fi