Correctly create symlinks in /etc/service in post-inst on first revision of package, that introduced runscript. (Closes: #923233)

1 files changed, 2 insertions, 1 deletions

diff --git a/runit-helper b/runit-helper
index 051cbfa..a9cab5b 100755
--- a/runit-helper
+++ b/runit-helper
@@ -23,7 +23,8 @@ postinst () {
 
     # Fresh installation (not upgrade). It is important to not override
     # local admin decision (see #899242).
-    if [ "${ENABLE}" = yes ] && [ -z "${previous}" ] ; then
+    if [ "${ENABLE}" = yes ] && \
+        dpkg --compare-versions "${previous}" '<<' "${SINCE}" ; then
         ln -sf "/etc/sv/$NAME" "/etc/runit/runsvdir/default/$NAME"
     fi
 }