#!/bin/sh
#
# Helper script for developer install of PCP Python bits over
# the top of an existing installation.
#
# We assume you know what you're doing!
#

tmp=/var/tmp/install-dev-$$
sts=1
trap "rm -f $tmp.*; exit \$sts" 0 1 2 3 15

. /etc/pcp.conf

$PCP_MAKE_PROG clean
$PCP_MAKE_PROG
sudo $PCP_MAKE_PROG install

packing_list=../../python3-pcp.list
if [ ! -f "$packing_list" ]
then
    echo "Arrgh: $packing_list does not exist, you lose."
    exit
fi

if [ ! -d build ]
then
    echo "Arrgh: build dir does not exist, you lose."
    exit
fi

if [ ! -d pcp.egg-info ]
then
    echo "Arrgh: pcp.egg-info dir does not exist, you lose."
    exit
fi

find build pcp.egg-info -type f -print >$tmp.build

# sanity check
#
cat "$packing_list" \
| while read dst
do
    case "$dst"
    in
	*/pcp/__pycache__/*)
	    # blow these ones away
	    sudo rm -f "/$dst"
	    continue
	    ;;
    esac

    if [ ! -f "/$dst" ]
    then
	echo "Arrgh: $dst in packing list but not installed, you lose."
	exit 1
    fi
    base=`basename $dst`
    src=`grep "/$base\$" <$tmp.build`
    if [ -z "$src" ]
    then
	echo "Arrgh: $base in packing list but not found below build dir, you lose."
	echo "Need to run \"sudo $PCP_MAKE_PROG clean; sudo $PCP_MAKE_PROG install\""
	exit
    fi

    if cmp "/$dst" "$src" >/dev/null 2>&1
    then
	: echo "$base: no change"
    else
	echo "$base: updating"
	sudo cp "$src" "/$dst"
    fi
done

sts=0
