diff --git a/archive-libs/libarchive/UP_TRIGGERS
b/archive-libs/libarchive/UP_TRIGGERS
new file mode 100755
index 0000000..9d6c1e6
--- /dev/null
+++ b/archive-libs/libarchive/UP_TRIGGERS
@@ -0,0 +1,9 @@
+local OLD_SPELL_VERSION=""
+spell_ok $SPELL && OLD_SPELL_VERSION="$(installed_version $SPELL)"
+if [ "${VERSION:0:3}" != "${OLD_SPELL_VERSION:0:3}" ]; then
+ message "This is an incompatible update of $SPELL..."
+ message "Figuring out what spells need to be recast, this may take a
while."
+ for each in $(show_up_depends $SPELL 1); do
+ up_trigger $each cast_self
+ done
+fi
[SM-Commit] GIT changes to master grimoire by Treeve Jelbert (24aa8f650453d0756cb74741607310d0f45701ca),
Treeve Jelbert, 03/30/2012