#!/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
#
# Update srpm_path for packages to be upgraded
#

UPVERSION_LOG=$MY_WORKSPACE/upversion.log
if [ "x$ORIGIN_BRANCH" == "x" ]; then
   ORIGIN_BRANCH=CGCS_DEV_0029
fi
if [ "x$WORKING_BRANCH" == "x" ]; then
   WORKING_BRANCH=CGCS_DEV_0029_rebase_7_4
fi

if [ ! -f $UPVERSION_LOG ]; then
    echo "ERROR: Can't find UPVERSION_LOG at '$UPVERSION_LOG'"
fi


# One step back to see the old symlinks
cd $MY_REPO

FAILED=""
for dat in $(cat $UPVERSION_LOG); do
   name=$(echo $dat | awk -F '#' '{print $1}')
   srpm_path=$(echo $dat | awk -F '#' '{print $2}')
   old_src_rpm=$(echo $dat | awk -F '#' '{print $4}')
   new_src_rpm=$(echo $dat | awk -F '#' '{print $5}')

   (
   cd $(dirname $srpm_path)
   CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
   if [ "$CURRENT_BRANCH" != "$WORKING_BRANCH" ]; then
      git checkout $WORKING_BRANCH
      if [ $? -ne 0 ]; then
         git checkout $ORIGIN_BRANCH
         if [ $? -ne 0 ]; then
            echo "ERROR: Can't checkout branch '$ORIGIN_BRANCH' in directory '$(pwd)'"
            exit 1
         fi

         git checkout -b $WORKING_BRANCH
         if [ $? -ne 0 ]; then
            echo "ERROR: failed to 'git checkout -b $WORKING_BRANCH' from '$(pwd)'"
            exit 1
         else
            echo "created branch '$WORKING_BRANCH' at '$(pwd)'"
         fi
      fi
   fi

   sed -i "s#$old_src_rpm#$new_src_rpm#" $srpm_path
   if [ $? -ne 0 ]; then
      echo "ERROR: sed failed '$old_src_rpm' -> '$new_src_rpm'"
      exit 1
   else
      echo "updated $srpm_path: '$old_src_rpm' -> '$new_src_rpm'"
   fi

   exit 0
   )

   if [ $? -ne 0 ]; then
      echo "ERROR: failed while working on package '$name' at '$srpm_path'"
      exit 1
   fi
done

echo ""
for d in $(for dat in $(cat $UPVERSION_LOG); do srpm_path=$(echo $dat | awk -F '#' '{print $2}'); ( cd $(dirname $srpm_path); git rev-parse --show-toplevel ); done | sort --unique); do
   (
    cd $d
    echo "cd $d"
    for f in $(git status --porcelain | grep 'srpm_path$' | awk '{print $2}'); do 
        echo "git add $f";
    done
    echo "git commit -m 'srpm_path updates for centos rebase'"
   )
done
echo ""