ci: fix conventional commits log parser

ci/changelog-generate.sh

@@ -11,17 +11,14 @@ fi
 function part() {
   name=$1
   pattern=$2
-  changes=$(grep -P '\[\w+-\d+\]\s*<('$pattern')>:' ./releaseNotes.tmp | sed -E 's/ *<('$pattern')>//' |sed 's/[ci skip]\s*//' | awk -F: '{print "- " $1 ":" $2}'|sort|uniq)
-  changes2=$(grep -P '^('$pattern')(\(.*\))?:' ./releaseNotes.tmp | sed -E 's/^('$pattern')(\(.*\)):\s*/**\2**: /' | sed -E 's/^('$pattern'):\s*//'|sed -E 's/\[ci skip\]\s*//' | awk '{print "- " $0}' |sort|uniq)
-  lines1=$(printf "\\$changes" |wc -l)
-  lines2=$(printf "\\$changes2" |wc -l)
-  lines=$(expr $line1 + $lines2)
-  #echo $name $pattern $lines >&2
-  if [ $lines -gt 0 ]; then
+  changes=$(grep -P '\[\w+-\d+\]\s*<('$pattern')>:' ./releaseNotes.tmp | sed -E 's/ *<('$pattern')>//' |sed 's/[ci skip]\s*//' | awk -F: '{print "- " $1 ":" $2}'| sed -E 's/^\s+|\s$//' | sort|uniq)
+  changes2=$(grep -P '^('$pattern')(\(.*\))?:' ./releaseNotes.tmp | sed -E 's/^('$pattern')(\(.*\)):\s*/**\2**: /' | sed -E 's/^('$pattern'):\s*//'|sed -E 's/\[ci skip\]\s*//' | awk '{print "- " $0}' | sed -E 's/^\s+|\s$//' |sort|uniq)
+
+  if [ "$changes" != "" ] || [ "$changes2" != "" ]; then
     echo "### $name:"
     echo ""
-    [ $lines1 -gt 0 ] && echo "$changes"
-    [ $lines2 -gt 0 ] && echo "$changes2"
+    [ "$changes" != "" ] && echo "$changes"
+    [ "$changes2" != "" ] && echo "$changes2"
     echo ""
   fi
 }