Chown /var/tmp/postgresql-* to postgres so catversion bump instructions do not...

Chown /var/tmp/postgresql-* to postgres so catversion bump instructions do not require root. Spotted by Greg Smith, thanks.

debian/changelog

+postgresql-common (262) UNRELEASED; urgency=medium
+
+  * Chown /var/tmp/postgresql-* to postgres so catversion bump instructions do
+    not require root. Spotted by Greg Smith, thanks.
+
+ -- Christoph Berg <myon@debian.org>  Wed, 03 Jul 2024 12:34:53 +0200
+
 postgresql-common (261) unstable; urgency=medium
 
   * server/postgresql.mk: Use --enable-dtrace only on Linux.

debian/maintscripts-functions

@@ -217,6 +217,7 @@ preinst_check_catversion()
                 echo "Saving binaries for PostgreSQL $MAJOR_VER catalog version $OLD_CATVERSION in $VARTMPDIR ..."
                 mkdir "$VARTMPDIR" # will fail&exit if (potentially rogue) file exists
                 cp -a /usr/lib/postgresql/$MAJOR_VER/bin /usr/lib/postgresql/$MAJOR_VER/lib "$VARTMPDIR"
+                chown -R postgres: "$VARTMPDIR" # make catversion bump instructions not require root
             fi
         fi
     done