app-text/xhtml1: Restore .cat backup for non-empty too

Signed-off-by: Michał Górny <mgorny@gentoo.org>

diff --git a/app-text/xhtml1/xhtml1-20020801-r6.ebuild b/app-text/xhtml1/xhtml1-20020801-r6.ebuild
index 306fefc150cb1e65621551651b6ebe84dcc63c11..f8356d929bb635f66d7ab207d3cdafde6b80261d 100644 (file)
--- a/app-text/xhtml1/xhtml1-20020801-r6.ebuild
+++ b/app-text/xhtml1/xhtml1-20020801-r6.ebuild
@@ -46,8 +46,10 @@ pkg_preinst() {
 }
 
 pkg_postinst() {
-       if [[ ! -f ${EROOT}/etc/sgml/xhtml1.cat ]]; then
-               cp "${T}"/xhtml1.cat "${EROOT}"/etc/sgml/ || die
+       local backup=${T}/xhtml1.cat
+       local real=${EROOT}/etc/sgml/xhtml1.cat
+       if ! cmp -s "${backup}" "${real}"; then
+               cp "${backup}" "${real}" || die
        fi
        sgml-catalog-r1_pkg_postinst