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File rpm-shorten-changelog.diff of Package rpm

--- ./build/pack.c.orig	2017-10-11 12:39:53.009897937 +0000
+++ ./build/pack.c	2017-12-04 16:02:29.299440578 +0000
@@ -641,6 +641,71 @@ static rpmRC checkPackages(char *pkgchec
     return RPMRC_OK;
 }
 
+static void trimChangelog(Header h)
+{
+    static int oneshot;
+    static int cuttime, minnum, maxnum;
+    rpm_count_t i, keep;
+    struct rpmtd_s timestd, namestd, textstd;
+    rpm_count_t count;
+
+    if (!oneshot) {
+	char *binarychangelogtrim = rpmExpand("%{?_binarychangelogtrim}", NULL);
+	oneshot = 1;
+	if (binarychangelogtrim && *binarychangelogtrim) {
+	    maxnum = atoi(binarychangelogtrim);
+	    binarychangelogtrim = strchr(binarychangelogtrim, ',');
+	    if (binarychangelogtrim)
+	      binarychangelogtrim++;
+	}
+	if (binarychangelogtrim && *binarychangelogtrim) {
+	    cuttime = atoi(binarychangelogtrim);
+	    binarychangelogtrim = strchr(binarychangelogtrim, ',');
+	    if (binarychangelogtrim)
+	      binarychangelogtrim++;
+	}
+	if (binarychangelogtrim && *binarychangelogtrim) {
+	    minnum = atoi(binarychangelogtrim);
+	    binarychangelogtrim = strchr(binarychangelogtrim, ',');
+	}
+    }
+    if (!cuttime && !minnum && !maxnum) {
+	return;
+    }
+
+    if (!headerGet(h, RPMTAG_CHANGELOGTIME, &timestd, HEADERGET_MINMEM))
+	return;
+    count = rpmtdCount(&timestd);
+    if ((!cuttime || count <= minnum) && (!maxnum || count <= maxnum)) {
+	rpmtdFreeData(&timestd);
+	return;
+    }
+    keep = count;
+    if (maxnum && keep > maxnum)
+	keep = maxnum;
+    if (cuttime) {
+	for (i = 0; i < keep; i++) {
+	    uint32_t *tp = rpmtdNextUint32(&timestd);
+	    if (i >= minnum && tp && *tp < cuttime)
+		break;
+	}
+	keep = i;
+    }
+    if (keep >= count) {
+	rpmtdFreeData(&timestd);
+	return;
+    }
+    headerGet(h, RPMTAG_CHANGELOGNAME, &namestd, HEADERGET_MINMEM);
+    headerGet(h, RPMTAG_CHANGELOGTEXT, &textstd, HEADERGET_MINMEM);
+    timestd.count = namestd.count = textstd.count = keep;
+    headerMod(h, &timestd);
+    headerMod(h, &namestd);
+    headerMod(h, &textstd);
+    rpmtdFreeData(&textstd);
+    rpmtdFreeData(&namestd);
+    rpmtdFreeData(&timestd);
+}
+
 rpmRC packageBinaries(rpmSpec spec, const char *cookie, int cheating)
 {
     rpmRC rc;
@@ -648,6 +713,7 @@ rpmRC packageBinaries(rpmSpec spec, cons
     Package pkg;
     char *pkglist = NULL;
 
+    trimChangelog(spec->packages->header);
     for (pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
 	char *fn;
 
--- ./build/parseChangelog.c.orig	2017-10-05 10:04:56.859602170 +0000
+++ ./build/parseChangelog.c	2017-12-04 14:47:41.249346774 +0000
@@ -255,6 +255,11 @@ static rpmRC addChangelog(Header h, ARGV
 	    goto exit;
 	}
 
+        /* workaround old suse oddity */
+        if (*s == '-' && s[1] == ' ') {
+            s += 2;
+        }
+
 	/* name */
 	name = s;
 	while (*s != '\0') s++;