pg_buildext: Fix problem with substitution pattern occurring multiple times.

debian/changelog

 postgresql-common (197) UNRELEASED; urgency=medium
 
   * dh_make_pgxs: Update Maintainer address and package URLs.
+  * pg_buildext: Fix problem with substitution pattern occurring multiple
+    times.
 
  -- Christoph Berg <christoph.berg@credativ.de>  Wed, 21 Nov 2018 12:58:20 +0100
 

pg_buildext

@@ -181,7 +181,7 @@ gencontrol() {
         cp debian/tests/control.in $tmptestscontrol
         # find words (package names) containing PGVERSION
         REGEXP='[[:alnum:]-]*PGVERSION[[:alnum:]-]*'
-        for pkgpattern in $(egrep -wo "$REGEXP" debian/tests/control.in); do
+        for pkgpattern in $(egrep -wo "$REGEXP" debian/tests/control.in | sort -u); do
             repl=""
             # build an array of replacements separated by ,
             for v in $(versions); do