Update the generation of the silverpeas docker library by indicating the git ref from which fetching the commits

Author: mmoqui

generate-docker-library.sh

@@ -11,16 +11,30 @@ function printVersion() {
 
 Tags: $1
 GitCommit: $2
+GitFetch: refs/heads/$3
 	EOE
 }
 
 isFirst=1
+currentBase=""
+count=0
 for version in `git tag | tac | grep "^[0-9.]\+$"`; do
+  base=`echo $version | grep -o "[0-9].[0-9]"`
+  if [ "$base" != "$currentBase" ]; then
+    currentBase="$base"
+  else
+    continue
+  fi
+
+  test $count -eq 2 && break
+
+  count=$(( count + 1 ))
   commit=`git rev-parse ${version}`
+  fetch=`echo ${version} | grep -o "[0-9].[0-9]"`.x
   if [ $isFirst -eq 1 ]; then
     isFirst=0
-    printVersion "${version}, latest" ${commit}
+    printVersion "${version}, latest" ${commit} ${fetch}
   else
-    printVersion "${version}" ${commit}
+    printVersion "${version}" ${commit} ${fetch}
   fi
 done