Merge branch '6468-docs-and-harmonize' into 'master'

Yum: fix for #6610

See merge request !144

check_packages2install-pkgmanager/yum.sh

@@ -7,13 +7,14 @@
 # included by ../check_packages2install
 #
 # ---------------------------------------------------------------
-# ah <axel.hahn@iml.unibe.ch>
+# ah <axel.hahn@unibe.ch>
 # 2022-06-03  v1.0  ah  first version
 # 2022-06-07  v1.1  ah  add sudo for yum --bugfix check-update
 #                       rename functions
 # 2022-08-31  v1.2  ah  status line depends on os major version
 # 2023-07-17  v1.3  ah  fix hiding obsolete packages
-# 2023-08-24  v1.4  ah  centos9: update getStatusLine() + 
+# 2023-08-24  v1.4  ah  centos9: update getStatusLine() + getSecurityCount
+# 2023-08-25  v1.5  ah  centos9: fix package lists
 # ===============================================================
 
 
@@ -37,6 +38,12 @@ function yum.getPackageList(){
     test "$iEnd" = "-1" && sEnd='$'
 
     test $iEnd -gt $iStart && echo "$packagemanOut" | sed -n ${iStart},${sEnd}p
+    if [ $iEnd -gt $iStart ]; then
+      echo "$packagemanOut" | sed -n ${iStart},${sEnd}p
+    else
+      echo "$packagemanOut" | grep -v "^Last" | grep "[a-z]"
+    fi
+
 }
 
 # ---------------------------------------------------------------
@@ -60,7 +67,11 @@ function yum.getStatusLine(){
       ;;
     9)
       local _total; _total=$( echo "${packages2install}" | wc -l )
-      local _sec;     _sec=$( sudo /usr/bin/yum -y --security check-update | grep -v "^Last" | grep -c "." )
+      local _sec;     _sec=$( sudo /usr/bin/yum -y --security check-update \
+          | grep -v "^Last" \
+          | grep -v "^No security updates needed" \
+          | grep -c "[a-z]" 
+        )
 
       # create a status line like in former yum versions
       if [ -z "$_sec" ]; then