list-package-updates

#!/bin/bash
set -e

usage () {
  script=$(basename "$0")
  echo "usage: $script [--bare] [-u|--upcoming] 3.X.Y [3.X.Z]"
  echo "   or: $script [--bare] [-u|--upcoming] --since 3.X.Y"
  echo
  echo "   eg: $script 3.2.7 3.2.8       # compare two releases"
  echo "   or: $script 3.2.8             # implicitly compare to 3.2.7"
  echo "   or: $script --since 3.3.20    # compare to current release"
  echo
  echo "Lists packages updated from osg releases 3.X.Y to 3.X.Z"
  echo "If only one osg release is listed, compare to the previous release."
  echo "If --since is given, compare to current release (for data releases)."
  echo
  echo "Use --upcoming to list packages from osg-upcoming-release-3.X.Y repos."
  echo "Use --bare to list 1 package per line, without wrapping in <pre> tags."
  exit
}

dvers=(el7 el8)

list_tag () {
  osg-koji list-tagged --latest --quiet --rpms "$1" | grep -v '\.src$' \
  | grep -v '^GenericError: ' || :
}

tag_diff () {
  fgrep -vxf <(list_tag "$1") <(list_tag "$2") || :
}

indent () {
  echo -n '    '
  xargs
}

FILTER=indent
UPCOMING=
SINCE=
while [[ $1 = -* ]]; do
case $1 in
  --since       ) SINCE=Y;         shift;;
  --bare        ) FILTER=cat;      shift;;
  -u|--upcoming ) UPCOMING=-upcoming; shift;;
             -* ) echo "Unsupported option: $1" >&2; usage ;;
esac
done

case $# in
  1 ) [[ $1 =~ ^[3-9]\.[0-9]\.[0-9]+$ ]] || usage
      ser1=${1%.*}
      ser2=$ser1
      rel=${1##*.}
      if [[ $SINCE ]]; then
        v1=$1
        v2=
      else
        v1=$ser1.$((rel-1))
        v2=$1
      fi ;;
  2 ) [[ ! $SINCE ]] || usage
      [[ $1 =~ ^[3-9]\.[0-9]\.[0-9]+$ ]] || usage
      [[ $2 =~ ^[3-9]\.[0-9]\.[0-9]+$ ]] || usage
      ser1=${1%.*}
      ser2=${2%.*}
      v1=$1
      v2=$2 ;;
  * ) usage ;;
esac

for dver in ${dvers[@]}; do
  tag1=osg-$ser1${UPCOMING}-$dver-release-$v1
  tag2=osg-$ser2${UPCOMING}-$dver-release${v2:+-$v2}
  tag_diff $tag1 $tag2
done | perl -lpe 's/(-[^-]+){2}$//' | sort -u | $FILTER