#!/bin/bash

​

set -f

​

function packages_files {

  local spec_file=$1

  local exclude_pkg=$2

  local in_files=false

  local result=""

  while IFS='' read -r line || [[ -n "$line" ]]; do

    case $line in

    "%files "*)

        pkg=`echo "$line" | sed 's/%files.* \(\w\+\)/\1/g'`

        if [[ $pkg == $exclude_pkg ]]; then

          in_files=false

          continue

        fi

        in_files=true

        continue

        ;;

    "%post"* | "%pre"* | "%preun"* | "%postun"* | "%changelog")

      in_files=false

      continue

      ;;

    esac

    result=""

    changed=true

    while [[ $in_files == true ]] && [[ $changed == true ]]; do

      changed=false

      case $line in

      "%if"* | "" | "%defattr"* | "%endif"* | "%else"* | "#"* | "%docdir"*)

        break

        ;;

      "%dir"*)

        break # for now we'll ignore %dir entries

        ;;

      *)

        result=`echo "$line" | sed -e 's/%config \(.*\)/\1/g' \

                                   -e 's/%config(.*) \(.*\)/\1/g' \

                                   -e 's/%attr(.*) \(.*\)/\1/g' \

                                   -e 's/%exclude \(.*\)/\1/g'`

        if [[ ! $line == $result ]]; then

          changed=true

            line=$result

    continue

        fi

        ;;

      esac

      echo "$result"

    done

  done < $spec_file

}

​

function get_package_summary {

  local spec_file=$1

  local pkg_name=$2

  local in_package=false

  while IFS='' read -r line || [[ -n "$line" ]]; do

    case $line in

    "%package "*)

      pkg=`echo "$line" | sed 's/%package.* \(\w\+\)/\1/g'`

      if [[ ! $pkg == $pkg_name ]]; then

        in_package=false

      else

        in_package=true

      fi

      ;;

    "%prep"* | "%build"* | "%install"*)

      in_package=false

      ;;

    "Summary:"*)

      if [[ $in_package == true ]]; then

        echo $line

        break

      fi

      ;;

    esac

  done < $spec_file

}

​

function get_package_requires {

  local spec_file=$1

  local pkg_name=$2

  local in_package=false

  while IFS='' read -r line || [[ -n "$line" ]]; do

    case $line in

    "%package "*)

      pkg=`echo "$line" | sed 's/%package.* \(\w\+\)/\1/g'`

      if [[ ! $pkg == $pkg_name ]]; then

        in_package=false

      else

        in_package=true

      fi

      ;;

    "%prep"* | "%build"* | "%install"*)

      in_package=false

      ;;

    "Requires:"*)

      if [[ $in_package == true ]]; then

        echo $line

      fi

      ;;

    esac

  done < $spec_file

}

​

function get_package_description {

  local spec_file=$1

  local pkg_name=$2

  local in_desc=false

  while IFS='' read -r line || [[ -n "$line" ]]; do

    case $line in

    "%description "*)

      pkg=`echo "$line" | sed 's/%description.* \(\w\+\)/\1/g'`

      if [[ ! $pkg == $pkg_name ]]; then

        in_desc=false

      else

        in_desc=true

      fi

      continue

      ;;

    "%prep"* | "%build"* | "%install"* | "%package"* | "%if"* | "%endif"*)

      in_desc=false

      continue

      ;;

    esac

    if [[ $in_desc == true ]]; then

      echo "$line"

    fi

  done < $spec_file

}

​

function transform_spec_file {

  local spec_file=$1

  local include_pkg=$2

  local rm_files=$3

  local summary=$4

  local description=$5

  local requires=$6

  local in_package=false

  local in_files=false

  local in_desc=false

  while IFS='' read -r line || [[ -n "$line" ]]; do

    case $line in

    "%bcond_with ceph_test_package"*)

      line="%bcond_without ceph_test_package"

      ;;

    "Name:"*)

      line="Name:           $include_pkg"

      ;;

    "Summary:"*)

      if [[ $in_package == false ]]; then

        line="$summary"

      fi

      ;;

    "Source0:"*)

      line=`echo $line | sed 's/%{name}/ceph/g'`

      ;;

    "ExclusiveArch:"*)

      line="ExclusiveArch: x86_64"

      ;;

    "%autosetup -p1")

      line="%autosetup -p1 -n ceph-%version"

      ;;

    "Requires:"*)

      if [[ $in_package == false ]]; then

        line=""

      fi

      ;;

    "Requires(post):"*)

      if [[ $in_package == false ]]; then

        IFS=''

        for r in "$requires"; do

          echo "$r"

        done

      fi

      ;;

    "%description"*)

      if [[ $in_package == false ]]; then

        in_desc=true

        echo "$line"

        echo "$description"

        echo ""

        continue

      fi

      ;;

    "%package "*)

        in_package=true

        continue

        ;;

    "%prep"* | "%build"* | "%install"*)

      in_package=false

      in_desc=false

      ;;

    "%files "*)

        pkg=`echo "$line" | sed 's/%files.* \(\w\+\)/\1/g'`

        if [[ $pkg == $include_pkg ]]; then

          in_files=false

        else

          in_files=true

          continue

        fi

        ;;

    "%changelog"*)

      in_files=false

      ;;

    "%clean"*)

      in_package=false

      IFS=''

      for rf in "$rm_files"; do

        echo "$rf"

      done

      echo ""

      echo "dirs=\`find %{buildroot} -type d -empty\`"

      echo "while [[ -n \$dirs ]]; do"

      echo "  for d in \$dirs; do"

      echo "    rm -rf \$d"

      echo "  done"

      echo "dirs=\`find %{buildroot} -type d -empty\`"

      echo "done"

      echo ""

      ;;

    "#"* | "%"*)

      in_desc=false

      ;;

    esac

​

  if [[ $in_package == false ]] && [[ $in_files == false ]] && [[ $in_desc == false ]]; then

    echo $line

  else

    if [[ $line == "%if"* ]] || [[ $line == "%endif"* ]]; then

      echo $line

    fi

  fi

​

  done < $spec_file

}

​

function generate_rm_exclude_files {

  local exclude_list=$1

  local buildroot=$2

​

  for f in $exclude_list; do

    echo "rm -rf $buildroot$f"

  done

}

​

function insert_line_before {

  local FILE=$1

  local line_to_insert=$2

  local match_regex=$3

  sed -i "/${match_regex}/i $line_to_insert" $FILE

}

​

function copy_changes_file {

  local dest_pkg=$1

​

  cp ceph.changes ${dest_pkg}.changes

}

​

function set_build_constraints {

  local FILE=$1

  shift

  sed -i -e '/#!BuildConstraint/d' $FILE

  for constraint in "$@"; do

    sed -i -e "1s/^/#!BuildConstraint: $constraint\n/" $FILE

  done

}

​

PACKAGE="ceph-test"

SPEC_FILE="ceph.spec"

​

source ./pre_checkin.env

if [ -z "$CEPH_BUILD_DISK_SIZE_GB" -o \

     -z "$CEPH_BUILD_MEMORY_SIZE_GB" -o \

     -z "$CEPH_TEST_BUILD_DISK_SIZE_GB" -o \

     -z "$CEPH_TEST_BUILD_MEMORY_SIZE_GB" ]; then

  echo "ERROR: build constraints not set (see README-constraints.txt)";

  exit 1

fi

​

files=`packages_files $SPEC_FILE $PACKAGE`

if [[ "$?" == "1" ]]; then

 echo "ERROR: "

 echo $files

 exit 0

fi

rm_files=`generate_rm_exclude_files "$files" "%{buildroot}"`

summ=`get_package_summary $SPEC_FILE $PACKAGE`

desc=`get_package_description $SPEC_FILE $PACKAGE`

reqs=`get_package_requires $SPEC_FILE $PACKAGE`

sed -i -e 's/%bcond_without ceph_test_package/%bcond_with ceph_test_package/' $SPEC_FILE

transform_spec_file $SPEC_FILE $PACKAGE "$rm_files" "$summ" "$desc" "$reqs" > $PACKAGE.spec

insert_line_before "$PACKAGE.spec" "Source99: README-packaging.txt" "_insert_obs_source_lines_here"

insert_line_before "$PACKAGE.spec" "Source98: README-checkin.txt" "^Source99:"

insert_line_before "$PACKAGE.spec" "Source97: README-ceph-test.txt" "^Source98:"

insert_line_before "$PACKAGE.spec" "Source96: README-constraints.txt" "^Source97:"

insert_line_before "$PACKAGE.spec" "Source95: pre_checkin.env" "^Source96:"

insert_line_before "$PACKAGE.spec" "Source94: pre_checkin.sh" "^Source95:"

insert_line_before "$PACKAGE.spec" "Source93: checkin.sh" "^Source94:"

insert_line_before "$PACKAGE.spec" "Source92: ceph-rpmlintrc" "^Source93:"

copy_changes_file $PACKAGE

set_build_constraints $SPEC_FILE "hardware:disk:size unit=G ${CEPH_BUILD_DISK_SIZE_GB}" "hardware:memory:size unit=G ${CEPH_BUILD_MEMORY_SIZE_GB}"

set_build_constraints "$PACKAGE.spec" "hardware:disk:size unit=G ${CEPH_TEST_BUILD_DISK_SIZE_GB}" "hardware:memory:size unit=G ${CEPH_TEST_BUILD_MEMORY_SIZE_GB}"

​