foo.diff

diff --git a/common/hooks/post-install/99-pkglint.sh b/common/hooks/post-install/99-pkglint.sh
index bee6a90..a747e95 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= found= mapshlibs=$XBPS_COMMONDIR/shlibs
 
 	for f in bin sbin lib lib32; do
 		if [ -d ${PKGDESTDIR}/${f} ]; then
@@ -18,4 +19,27 @@ 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
+	if [ -f "${PKGDESTDIR}/shlib-provides" ]; then
+		for filename in `cat "${PKGDESTDIR}/shlib-provides"`; do
+			rev=${filename#*.so.}
+			libname=${filename%.so.*}
+			grep -E "^${libname}\.so\.[0-9.]*[[:blank:]]+${pkgname}-[^-]+_[0-9]+$" $mapshlibs | { \
+				while read conflictFile conflictPkg; do
+					found=1
+					conflictRev=${conflictFile#*.so.}
+					[ "$rev" = "$conflictRev" ] || \
+						[[ "$rev".* =~ "$conflictRev" ]] && \
+						:
+						#continue
+
+					msg_error "SOBUMP: ${libname}.so: old: $conflictRev new: $rev\n"
+				done
+				if [ -z "$found" ]; then
+					msg_error "${libname}.so.$rev not found in shlibs. Please add it."
+				fi;
+			}
+		done
+	fi
 }