#!/bin/bash

#
# Part of the monthly mirror update
#
# Update symlinks in cgcs-centos-repo to point to the latest version of packages in /import/mirrors/CentOS/tis-r5-CentOS/newton
#
# This step removes obsolete or broken Source links
#

MIRROR_ROOT=/import/mirrors/CentOS/tis-r5-CentOS/newton
BIN_ROOT=$MIRROR_ROOT/Binary
SRC_ROOT=$MIRROR_ROOT/Source

cd $MY_REPO/cgcs-centos-repo

if [ $? -ne 0 ]; then
   echo 'ERROR: failed to cd to $MY_REPO/cgcs-centos-repo'
   return 1
fi


# Clean broken and obsolete srpm links
snames=" "
for dat in $(for br in $(find Source -name '*.src.rpm'); do
              d=$(dirname $br)
              b=$(basename $br)
              s=$(echo $b | sed -e 's#.centos.#.#' -e 's#.el7.#.#'  -e 's#.el7_##' -e 's#.rpm$##' -e 's#.src$##' -e 's#.noarch$##' -e 's#.x86_64$##')
              echo "$s#$b#$d"
            done | sort -r -V)
do
   sb=$(echo "$dat" | awk -F '#' '{ print $2 }')
   d=$(echo "$dat" | awk -F '#' '{ print $3 }')
   s="$d/$sb"

   if [ ! -f $s ]; then
      continue
   fi

   link=$(readlink $s)
   if [ ! -f $link ]; then
      echo "ERROR: '$sb' link to non-existant file '$link'"
      echo "SUGGEST: rm $s"
      git rm -f $s
      continue
   fi

   echo $link | grep "$MIRROR_ROOT" >> /dev/null
   if [ $? -ne 0 ]; then
      echo "ERROR: '$sb' links to unexpected file '$link'"
      echo "SUGGEST: rm $s"
      git rm -f $s
      continue
   fi

   sname=$(rpm -q --nosignature --queryformat '%{NAME}\n' -p $s)
   echo "$snames" | grep " $sname " >> /dev/null
   if [ $? -ne 0 ]; then
      if [ "x$sname" != "x" ]; then
          for s2 in $(find Source -name "$sname-*.src.rpm"); do
              sb2=$(basename $s2)
              if [ "$sb" != "$sb2" ]; then
                 sname2=$(rpm -q --nosignature --queryformat '%{NAME}\n' -p $s2)
                 if [ "$sname" == "$sname2" ]; then
                    link=$(echo $s2 | sed "s#^$MIRROR_ROOT/##")
                    echo "SUGGEST: rm $link, due to $sb"
                    git rm -f $link

                    for r3 in $(find Binary -name "$sname-*.rpm"); do
                       sb3=$(rpm -q --info --nosignature -p $r3 | grep '^Source RPM  : ' | sed 's#^Source RPM  : ##')
                       if [ "$sb3" == "$sb2" ]; then
                          echo "SUGGEST: rm $r3, due to $sb2"
                       fi
                    done
                 fi
              fi
          done
      fi
      snames="${snames}${sname} "
   fi
done