#!/bin/sh -x
# 
# Simple script which does the following:
#	o  Generates a src tarball from a WORKAREA
#	o  Copies it over to ~/test and unpacks it
#	o  Generates a src tarball from src tarball
#	o  Compares the build status' ... reports problems
#	o  removes ~/test
# 

tmpdir="$HOME/test"

if [ -z "$WORKAREA" ]
then
	echo "WORKAREA is not set -- aborting."
	exit 1
fi

if [ -d $tmpdir ]
then
	echo "$tmpdir exists already -- aborting."
	exit 1
else
	mkdir $tmpdir
	if [ ! -d $tmpdir ]
	then
		echo "Cannot create $tmpdir -- aborting."
		exit 1
	fi
fi

# 
# Pleasantries are now out of the way, lets proceed.
# NB: If something goes wrong we'll leave the unpacked
# source alone for consumption by a human.
# 

_cleanup()
{
	if [ $status -eq 0 ]
	then
		rm -fr $tmpdir
	else
		echo "Problem?  -- leaving $tmpdir for inspection"
	fi
}

_buildme()
{
	cd $1

	if ./Makepkgs
	then
		:
	else
		echo Makepkgs thinks theres a problem in $1
		exit 1
	fi

	if [ ! -f build/xfs-cmds-*.src.tar.gz ]
	then
		echo Makepkgs failed to create build/xfs-cmds-*.src.tar.gz
		exit 1
	fi
}

status=1
trap "_cleanup; exit \$status" 0 1 2 3 15

# first, build from the WORKAREA
_buildme $WORKAREA/cmd/xfs

cp $WORKAREA/cmd/xfs/build/xfs-cmds-*.src.tar.gz $tmpdir
cd $tmpdir
tar xzf xfs-cmds-*.src.tar.gz
rm xfs-cmds-*.src.tar.gz	# must delete for _buildme "cd" to work

# now, cross check the src build
_buildme $tmpdir/xfs-cmds-*

status=0