modification of post-install.sh: creation a filtered list containing actual paths to be replaced

cmake/scripts/post-install.sh

@@ -27,6 +27,26 @@ fi
 echo "Replacing $OLDINSTALLDIR -> $INSTALLDIR [or $LCGRELEASES] ..."
 
 # prepare package list for replacing
+# This part quicly checks using grep if the path is inside of any file, and creates shofter list called "filteredPaths".  
+ALLMYFILES=$(cat $PREFIX/$listname | grep -v -- '->' |  while read myfile; do
+  test "$myfile" = ".filelist" && continue  # skip .filelist
+  echo ${myfile}
+done)
+
+ALLMYFILES=$(echo $ALLMYFILES | tr '\n' ' ' )
+ALLMYFILES=$(echo $ALLMYFILES |  tr -s " " )
+
+filteredPaths=$(cat $PREFIX/$listname | grep -- '->'| while read name; do
+  dir2test="$(echo $name | grep -- '->'| awk -F'->' '{print $1}')"
+  dir2test=$(echo $dir2test | tr '\n' ' ' )
+  dir2test=$(echo $dir2test | tr -s " ")
+  IFS=' '
+  grep -q -- "$dir2test" ${ALLMYFILES}
+  retVal=$?
+  if [ $retVal -eq 0 ]; then
+    echo ${name}
+  fi
+done)
 
 # loop over files (lines without '->')
 cat $PREFIX/$listname | grep -v -- '->' | while read name; do
@@ -34,10 +54,12 @@ cat $PREFIX/$listname | grep -v -- '->' | while read name; do
   #old=$(mktemp -t lcg.XXXXX)
   #cp -f "$PREFIX/$name" "$old"
   # loop over all target paths (after '->' delimiter)
-  cat $PREFIX/$listname | grep -- '->' | awk -F'->' '{print $2}'| sort | uniq | while read newpath; do
+#  cat $PREFIX/$listname | grep -- '->' | awk -F'->' '{print $2}'| sort | uniq | while read newpath; do
+  echo $filteredPaths | grep -- '->' | awk -F'->' '{print $2}'| sort | uniq | while read newpath; do
     # loop over all source paths for given target path, use sorting by path length to resolve issues like /var/build/... and /build/...
     # 1 target path is related with multiple (at least 2 -- real and 'usual') source paths
-    cat $PREFIX/$listname | grep -- '->' | grep -- "$newpath" | awk -F'->' '{ print length($1) " " $0; }' | sort -r -n | cut -d ' ' -f 2- | while read line; do
+#    cat $PREFIX/$listname | grep -- '->' | grep -- "$newpath" | awk -F'->' '{ print length($1) " " $0; }' | sort -r -n | cut -d ' ' -f 2- | while read line; do
+      echo $filteredPaths | grep -- '->' | grep -- "$newpath" | awk -F'->' '{ print length($1) " " $0; }' | sort -r -n | cut -d ' ' -f 2- | while read line; do 
       olddir="$(echo $line | awk -F'->' '{print $1}')"
       for install_dir in $INSTALLDIR $LCGRELEASES; do
         if test -z "$NIGHTLY_MODE"; then