Run deb-systemd-helper in postinst

changelog.md

@@ -18,6 +18,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - support JSON logging and make it the default
 - support log level configuration
 - update dependencies
+### Fixed
+- run deb-systemd-helper in Debian package `postinst` script
 
 ## [0.1.3] - 2023-07-24
 ### Fixed

debian/postinst

@@ -44,3 +44,25 @@ case "$1" in
     fi
     ;;
 esac
+
+UNIT="cacert-oidc-idp.service"
+
+case "$1" in
+  'configure' | 'abort-upgrade' | 'abort-deconfigure' | 'abort-remove')
+    # systemctl daemon-reload
+    # systemctl --global enable $UNIT
+    # This will only remove masks created by d-s-h on package removal.
+    deb-systemd-helper unmask $UNIT >/dev/null || true
+
+    # was-enabled defaults to true, so new installations run enable.
+    if deb-systemd-helper --quiet was-enabled $UNIT ; then
+      # Enables the unit on first installation, creates new
+      # symlinks on upgrades if the unit file has changed.
+      deb-systemd-helper enable $UNIT >/dev/null || true
+    else
+      # Update the statefile to add new symlinks (if any), which need to be
+      # cleaned up on purge. Also remove old symlinks.
+      deb-systemd-helper update-state $UNIT >/dev/null || true
+    fi
+    ;;
+esac