1.1 --- a/librazor/merger.c	Wed Apr 28 11:59:02 2010 +0100
     1.2 +++ b/librazor/merger.c	Sat Feb 11 23:50:26 2012 +0000
     1.3 @@ -1,7 +1,7 @@
     1.4  /*
     1.5   * Copyright (C) 2008  Kristian Høgsberg <krh@redhat.com>
     1.6   * Copyright (C) 2008  Red Hat, Inc
     1.7 - * Copyright (C) 2009, 2010  J. Ali Harlow <ali@juiblex.co.uk>
     1.8 + * Copyright (C) 2009-2011  J. Ali Harlow <ali@juiblex.co.uk>
     1.9   *
    1.10   * This program is free software; you can redistribute it and/or modify
    1.11   * it under the terms of the GNU General Public License as published by
    1.12 @@ -47,9 +47,18 @@
    1.13  	struct razor_merger *merger;
    1.14  	int count;
    1.15  	size_t size;
    1.16 +	uint32_t header_version;
    1.17  
    1.18  	merger = zalloc(sizeof *merger);
    1.19  	merger->set = razor_set_create();
    1.20 +	if (set1->packages.size) {
    1.21 +		header_version = razor_set_get_header_version(set1);
    1.22 +		if (set2->packages.size &&
    1.23 +		    razor_set_get_header_version(set2) > header_version)
    1.24 +			header_version = razor_set_get_header_version(set2);
    1.25 +	} else
    1.26 +		header_version = razor_set_get_header_version(set2);
    1.27 +	razor_set_set_header_version(merger->set, header_version);
    1.28  	hashtable_init(&merger->table, &merger->set->string_pool);
    1.29  	hashtable_init(&merger->file_table, &merger->set->file_string_pool);
    1.30  	hashtable_init(&merger->details_table,
    1.31 @@ -592,16 +601,24 @@
    1.32  
    1.33  	switch (script) {
    1.34  	case RAZOR_PROPERTY_PREUN:
    1.35 -		assert(pool[package->preun.program] == '\0');
    1.36 -		assert(pool[package->preun.body] == '\0');
    1.37 -		package->preun.program = p;
    1.38 -		package->preun.body = b;
    1.39 +		if (package->preun.program != p) {
    1.40 +			assert(pool[package->preun.program] == '\0');
    1.41 +			package->preun.program = p;
    1.42 +		}
    1.43 +		if (package->preun.body != b) {
    1.44 +			assert(pool[package->preun.body] == '\0');
    1.45 +			package->preun.body = b;
    1.46 +		}
    1.47  		break;
    1.48  	case RAZOR_PROPERTY_POSTUN:
    1.49 -		assert(pool[package->postun.program] == '\0');
    1.50 -		assert(pool[package->postun.body] == '\0');
    1.51 -		package->postun.program = p;
    1.52 -		package->postun.body = b;
    1.53 +		if (package->postun.program != p) {
    1.54 +			assert(pool[package->postun.program] == '\0');
    1.55 +			package->postun.program = p;
    1.56 +		}
    1.57 +		if (package->postun.body != b) {
    1.58 +			assert(pool[package->postun.body] == '\0');
    1.59 +			package->postun.body = b;
    1.60 +		}
    1.61  		break;
    1.62  	default:
    1.63  		break;