--- Makefile.am.orig	2021-06-21 12:00:44.552611187 +0000
+++ Makefile.am	2021-09-23 19:17:54.619555392 +0000
@@ -175,6 +175,10 @@ rpmgraph_LDADD =	lib/librpm.la rpmio/lib
 
 dist_bin_SCRIPTS =	scripts/gendiff
 
+bin_PROGRAMS +=		rpmqpack
+rpmqpack_SOURCES =      rpmqpack.c
+rpmqpack_LDADD =        lib/librpm.la
+
 rpmconfig_DATA = rpmrc
 rpmrc: $(top_srcdir)/rpmrc.in
 	@$(SED) \
--- docs/man/Makefile.am.orig	2021-08-20 08:44:56.263259000 +0000
+++ docs/man/Makefile.am	2021-09-23 19:17:54.619555392 +0000
@@ -9,7 +9,7 @@ EXTRA_DIST += gendiff.1.md
 
 man_man8dir = $(mandir)/man8
 man_man8_DATA = rpm.8 rpm-misc.8 rpmbuild.8 rpmdeps.8 rpmgraph.8 rpm2cpio.8
-man_man8_DATA += rpmdb.8 rpmkeys.8 rpmsign.8 rpmspec.8
+man_man8_DATA += rpmdb.8 rpmkeys.8 rpmsign.8 rpmspec.8 rpmqpack.8
 
 EXTRA_DIST += rpm.8.md rpm-misc.8.md rpmbuild.8.md rpmdeps.8.md rpmgraph.8.md
 EXTRA_DIST += rpm2cpio.8.md rpmdb.8.md rpmkeys.8.md rpmsign.8.md rpmspec.8.md
--- docs/man/rpmqpack.8.orig	2021-09-23 19:17:54.619555392 +0000
+++ docs/man/rpmqpack.8	2021-09-23 19:17:54.619555392 +0000
@@ -0,0 +1,25 @@
+.TH RPMQPACK 8 "Mar 2002"
+.SH NAME
+rpmqpack \- check for installed rpm packages
+
+.SH SYNOPSIS
+.B rpmqpack
+.RI [ pack1 "] [" pack2 ]...
+
+.SH DESCRIPTION
+rpmqpack checks if packages given as arguments are installed in
+the system. It prints each installed package to stdout.
+If no arguments are given all installed packages are printed.
+
+.SH EXIT STATUS
+rpmqpack returns 0 if all given packages are installed, otherwise
+1.
+
+.SH SEE ALSO
+.BR rpm (1)
+
+.SH COPYRIGHT
+2002 SUSE Linux AG Nuernberg, Germany.
+
+.SH AUTHOR
+Michael Schroeder <mls@suse.de>
--- rpmqpack.c.orig	2021-09-23 19:17:54.619555392 +0000
+++ rpmqpack.c	2021-09-23 19:17:54.619555392 +0000
@@ -0,0 +1,60 @@
+#include <sys/types.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <rpm/rpmts.h>
+#include <rpm/rpmdb.h>
+#include <rpm/rpmmacro.h>
+
+int
+main(int argc, char **argv)
+{
+  int ret = 0;
+  rpmts ts;
+
+  rpmDefineMacro(NULL, "_dbpath /var/lib/rpm", 0);
+  ts = rpmtsCreate();
+  if (!ts)
+    {
+      fprintf(stderr, "rpmtsCreate failed\n");
+      exit(1);
+    }
+  if (rpmtsOpenDB(ts, O_RDONLY))
+    {
+      perror("rpmtsOpenDB");
+      exit(1);
+    }
+  if (argc <= 1)
+    {
+      rpmdbIndexIterator ii;
+      ii = rpmdbIndexIteratorInit(rpmtsGetRdb(ts), RPMDBI_NAME);
+      if (ii)
+	{
+	  const void *key = 0;
+          size_t keylen = 0;
+	  while ((rpmdbIndexIteratorNext(ii, &key, &keylen)) == 0)
+	    printf("%*.*s\n", (int)keylen, (int)keylen, (char *)key);
+	}
+      rpmdbIndexIteratorFree(ii);
+    }
+  else
+    {
+      argc--;
+      while (argc--)
+	{
+          rpmdbMatchIterator mi;
+	  argv++;
+          mi = rpmdbInitIterator(rpmtsGetRdb(ts), RPMDBI_NAME, (void *)*argv, strlen(*argv));
+	  if (mi && rpmdbGetIteratorCount(mi))
+	    printf("%s\n", *argv);
+          else
+	    ret = 1;
+	  rpmdbFreeIterator(mi);
+        }
+    }
+  rpmtsFree(ts);
+  return ret;
+}