Application Packaging Developer's Guide

The request Script

# request script
for SUNWstuf to walk the BASEDIR parameter.
 
PATH=/usr/sadm/bin:${PATH}	# use admin utilities
 
GENMSG="The base directory $LOCAL_BASE already contains a \
different architecture or version of $PKG."
 
OLDMSG="If the option \"-a none\" was used, press the  \
key and enter an unused base directory when it is requested."
 
OLDPROMPT="Do you want to overwrite this version? "
 
OLDHELP="\"y\" will replace the installed package, \"n\" will \
stop the installation."
 
SUSPEND="Suspending installation at user request using error \
code 1."
 
MSG="This package could be installed at the unused base directory $WRKNG_BASE."
 
PROMPT="Do you want to use to the proposed base directory? "
 
HELP="A response of \"y\" will install to the proposed directory and continue,
\"n\" will request a different directory. If the option \"-a none\" was used,
press the  key and enter an unused base directory when it is requested."
 
DIRPROMPT="Select a preferred base directory ($WRKNG_BASE) "
 
DIRHELP="The package $PKG will be installed at the location entered."
 
NUBD_MSG="The base directory has changed. Be sure to update \
any applicable search paths with the actual location of the \
binaries which are at $WRKNG_BASE/EZstuf and $WRKNG_BASE/HRDstuf."
 
OldSolaris=""
Changed=""
Suffix="0"
 
#
# Determine if this product is actually installed in the working
# base directory.
#
Product_is_present () {
	  if [ -d $WRKNG_BASE/EZstuf -o -d $WRKNG_BASE/HRDstuf ]; then
		    return 1
	  else
		    return 0
	  fi
}
 
if [ ${BASEDIR} ]; then
	  # This may be an old version of Solaris. In the latest Solaris
	  # CLIENT_BASEDIR won't be defined yet. In older version it is.
	  if [ ${CLIENT_BASEDIR} ]; then
		    LOCAL_BASE=$BASEDIR
		    OldSolaris="true"
	  else	# The base directory hasn't been processed yet
		    LOCAL_BASE=${PKG_INSTALL_ROOT}$BASEDIR
fi
 
WRKNG_BASE=$LOCAL_BASE
 
	# See if the base directory is already in place and walk it if
	# possible
while [ -d ${WRKNG_BASE} -a Product_is_present ]; do
		 # There is a conflict
		 # Is this an update of the same arch & version?
		 if [ ${UPDATE} ]; then
			   exit 0	# It's out of our hands.
		 else
			   # So this is a different architecture or
			   # version than what is already there.
			   # Walk the base directory
			   Suffix=`expr $Suffix + 1`
			   WRKNG_BASE=$LOCAL_BASE.$Suffix
			   Changed="true"
		 fi
done
 
	# So now we can propose a base directory that isn't claimed by
	# any of our other versions.
if [ $Changed ]; then
		 puttext "$GENMSG"
		 if [ $OldSolaris ]; then
			   puttext "$OLDMSG"
			   result=`ckyorn -Q -d "a" -h "$OLDHELP" -p "$OLDPROMPT"`
			   if [ $result="n" ]; then
				     puttext "$SUSPEND"
				     exit 1	# suspend installation
			   else
				     exit 0
			   fi
		 else	# The latest functionality is available
			   puttext "$MSG"
			   result=`ckyorn -Q -d "a" -h "$HELP" -p "$PROMPT"`
			   if [ $? -eq 3]; then
				     echo quitinstall >> $1
				     exit 0
			   fi
 
			   if [ $result="n" ]; then
				     WRKNG_BASE=`ckpath -ayw -d "$WRKNG_BASE" \
				     -h "$DIRHELP" -p "$DIRPROMPT"`
			   else if [ $result="a" ]
				     exit 0
			   fi
		    fi
		    echo "BASEDIR=$WRKNG_BASE" >> $1
		    puttext "$NUBD_MSG"
	  fi
fi
exit 0