foo.diff

diff --git a/common/hooks/post-install/99-pkglint.sh b/common/hooks/post-install/99-pkglint.sh
index bee6a90..2b2d076 100644
--- a/common/hooks/post-install/99-pkglint.sh
+++ b/common/hooks/post-install/99-pkglint.sh
@@ -1,7 +1,8 @@
 # This hook checks for common issues related to void.
 
 hook() {
-	local error=0
+	local error=0 filename= rev= libname= conflictPkg= conflictFile=
+		conflictRev= mapshlibs=$XBPS_COMMONDIR/shlibs
 
 	for f in bin sbin lib lib32; do
 		if [ -d ${PKGDESTDIR}/${f} ]; then
@@ -18,4 +19,18 @@ hook() {
 	if [ $error -gt 0 ]; then
 		msg_error "${pkgver}: cannot continue with installation!\n"
 	fi
+
+	# checks for sobumps and warns the user if there are any
+	for filename in `cat "${PKGDESTDIR}/shlib-provides"`; do
+		rev=${filename#*.so.}
+		libname=${filename%.so.*}
+		grep -E "^${libname}\.so\..*[[:blank:]]$pkgname" $mapshlibs | \
+			while read conflictFile conflictPkg; do
+				conflictRev=${conflictFile#*.so.}
+				[ "$rev" = "$conflictRev" ] || \
+					[[ "$rev".* =~ "$conflictRev" ]] && \
+					continue
+				msg_warn "SOBUMP: ${libname}.so: old: $conflictRev new: $rev\n"
+			done
+	done
 }