From a366612ec3fde6b2506072fa2288454118fda29d Mon Sep 17 00:00:00 2001
From: Jindrich Novy <jnovy@redhat.com>
Date: Thu, 7 Aug 2008 14:50:49 +0200
Subject: [PATCH] Don't allow multiple definition of PatchX or SourceX
 (rhbz#458261, rhbz#458260)

---
 build/spec.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/build/spec.c b/build/spec.c
index 096ff73..58e8908 100644
--- a/build/spec.c
+++ b/build/spec.c
@@ -299,6 +299,16 @@ int addSource(rpmSpec spec, Package pkg, const char *field, rpmTag tag)
 	*fieldp = ch;
     }
 
+    /* Check whether tags of the same number haven't already been defined */
+    for (p = spec->sources; p != NULL; p = p->next) {
+	if ( p->num != num ) continue;
+	if (tag == RPMTAG_SOURCE && p->flags == RPMBUILD_ISSOURCE ||
+	    tag == RPMTAG_PATCH  && p->flags == RPMBUILD_ISPATCH) {
+		rpmlog(RPMLOG_ERR, _("%s %d defined multiple times\n"), name, num);
+		return RPMRC_FAIL;
+	    }
+    }
+
     /* Create the entry and link it in */
     p = xmalloc(sizeof(*p));
     p->num = num;
-- 
2.7.4