conf/105568: [patch] Add more flexibility to rc.conf, to choose "_enable" values at startup

[Pietro Cerutti]

The following reply was made to PR conf/105568; it has been noted by GNATS.

From: Pietro Cerutti <gahr at gahr.ch>
To: bug-followup at FreeBSD.org,  pietro.cerutti at gmail.com
Cc:  
Subject: Re: conf/105568: [patch] Add more flexibility to rc.conf, to choose
 "_enable" values at startup
Date: Mon, 01 Oct 2007 13:42:43 +0200

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 This patch applies against 6.2-STABLE
 
 --- rc.subr.orig        2007-10-01 13:21:35.000000000 +0200
 +++ rc.subr	        2007-10-01 13:37:10.000000000 +0200
 @@ -58,6 +58,9 @@
  PS=3D"/bin/ps -ww"
  JID=3D`$PS -p $$ -o jid=3D`
 
 +ASK_TIMEOUT=3D"5s"
 +ASK_DEFAULT=3D"YES"
 +
  case ${OSTYPE} in
  FreeBSD)
  	SYSCTL_W=3D"${SYSCTL}"
 @@ -123,7 +126,9 @@
 
  #
  # checkyesno var
 -#	Test $1 variable, and warn if not set to YES or NO.
 +#       Test $1 variable, and warn if not set to YES, NO or ASK.
 +#       If it's "ask", prompt the user to decide wheter to set
 +#       $1 to YES or NO.
  #	Return 0 if it's "yes" (et al), nonzero otherwise.
  #
  checkyesno()
 @@ -141,6 +146,63 @@
  	[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
  		return 1
  		;;
 +        [Aa][Ss][Kk])
 +                #       "ask"
 +
 +                # Answer is stored in .ask file
 +                # -> we are shutting down
 +                _file=3D"/var/run/$name.ask"
 +                if [ -f $_file ]; then
 +                        read _response < $_file
 +                        if checkyesno _response; then
 +                                return 0
 +                        else
 +                                return 1
 +                        fi
 +                fi
 +
 +                # Prompt and save answer in .ask file
 +                # -> we are entering multi-user mode
 +
 +                # Read timeout and default answer fo this daemon
 +                eval _timeout=3D\$${name}_ask_timeout
 +                eval _default=3D\=C3=A0=C3=A0{name}_ask_default
 +
 +                # Timeout not set for this daemon
 +                # -> revert to global default timeout
 +                if [ ! $_timeout ]; then
 +                        _timeout=3D$ASK_TIMEOUT
 +                fi
 +
 +                # Default answer not set for this daemon
 +                # -> revert to global default answer
 +                if [ ! $_default ]; then
 +                        _default=3D$ASK_DEFAULT
 +                fi
 +
 +                # Read decision from stdin
 +                read -t $_timeout -p "RC_ASK - Enable $name? [yes|no]"
 _enable
 +
 +                # If timeout is elapsed, set default answer
 +                if [ $? -eq 1 ]; then
 +                        _enable=3D${_response}
 +                fi
 +
 +                # Call checkyes no on answer
 +                if checkyesno _enable; then
 +                        _choice=3D"yes"
 +                        _return=3D0
 +                else
 +                        _choice=3D"no"
 +                        _return=3D1
 +                fi
 +
 +                # Save decision to .ask file
 +                echo "$_choice" > $_file
 +
 +                return $_return
 +                ;;
 +
  	*)
  		warn "\$${1} is not set properly - see ${rcvar_manpage}."
  		return 1
 
 --=20
 Pietro Cerutti
 
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