+optional=$(grep '^Optional-ext:' $template || :)
+if [ -n "$optional" ]; then
+ tmp=$(mktemp "${TMPDIR:-/tmp}/fragXXXXXX")
+ echo "$optional" | while read tag ext; do
+ grep -q "PHP extension .$ext" && continue
+ cat > $tmp <<-EOF
+ echo '%{name} can optionally use PHP extension "$ext"' >> optional-packages.txt
+ EOF
+ sed -i -e "
+ /%pear_package_setup/ {
+ r $tmp
+ }
+ " $spec
+ done
+ rm -f .ext.tmp
+fi
+
+has_opt=$(grep -Ec '^Optional-(pkg|ext):' $template || :)
+if [ "$has_opt" -gt 0 ]; then
+ if ! grep -q 'rpmbuild(macros)' $spec; then
+ sed -i -e '
+ /rpm-php-pearprov/{
+ aBuildRequires: rpmbuild(macros) >= 1.300
+ }
+ ' $spec
+ fi
+ if ! grep -Eq '%{_docdir}/.*/optional-packages.txt|%pear_package_print_optionalpackages' $spec; then
+ sed -i -e '
+ /^%files$/{
+ i%post -p <lua>
+ i%pear_package_print_optionalpackages
+ i
+ }
+ /rpmbuild(macros)/{
+ s/>=.*/>= 1.571/
+ }
+ ' $spec
+ fi
+ if ! grep -q '%doc.*optional-packages.txt' $spec; then
+ sed -i -e '
+ /^%doc install.log/{
+ s/$/ optional-packages.txt/
+ }
+ ' $spec
+ fi
+fi
+