#!/bin/awk -f
# RPM filetriggers handler for OpenOffice.org extensions

BEGIN {
	# look up the identifiers of currently installed extensions
	while ("@UNOPKG@ list --shared" | getline) {
		if (/^Identifier:/)
			cur_ident = $2
		else if (/^  URL:/) {
			sub("^.*/","")
			ident[$0] = cur_ident
		}
	}
	FS="/"
}

/^\+/ {
	# installation or upgrade
	if (ident[$NF])
		removals[$NF]=1
	sub("^\\+","")
	installs[$0]=1
}

(/^-/ && ident[$NF]) {
	# removal or upgrade
	removals[$NF]=1
	clean_cache=1
}

END {
	for (extension in removals)
		system("@UNOPKG@ remove --shared " ident[extension] "&>/dev/null")
	if (clean_cache)
		system("@UNOPKG@ list --shared &>/dev/null")
	for (extension in installs)
		system("@UNOPKG@ add --shared " extension "&>/dev/null")
}