aug-riedinger

    function my-accept-line() {
      # check if the buffer does not contain any words
      if [ ${#${(z)BUFFER}} -eq 0 ]; then
        # put newline so that the output does not start next
        # to the prompt
        echo
        # check if inside git repository
        if git rev-parse --git-dir > /dev/null 2>&1 ; then
          # if so, execute `git status'
          git status
        else
          # else run `ls'
          ls -l
        fi
      fi
      # in any case run the `accept-line' widget
      zle .accept-line
    }
    # create a widget from `my-accept-line' with the same name
    zle -N accept-line my-accept-line
    # rebind Enter, usually this is `^M'
    bindkey '^M' accept-line

    function extract () {
      if [ -f $1 ] ; then
        case $1 in
          *.tar.bz2)   tar xjf $1     ;;
          *.tar.gz)    tar xzf $1     ;;
          *.bz2)       bunzip2 $1     ;;
          *.rar)       unrar e $1     ;;
          *.gz)        gunzip $1      ;;
          *.tar)       tar xf $1      ;;
          *.tbz2)      tar xjf $1     ;;
          *.tgz)       tar xzf $1     ;;
          *.zip)       unzip $1       ;;
          *.Z)         uncompress $1  ;;
          *.7z)        7z x $1        ;;
          *)     echo "'$1' cannot be extracted via extract()" ;;
           esac
       else
           echo "'$1' is not a valid file"
       fi
     }