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#!/bin/bash
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#set -e
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rm -f /tmp/pyxis*.json
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TOTAL=`curl -s --negotiate -u: -H 'Content-Type: application/json' -H 'Accept: application/json' -X GET "https://pyxis.engineering.redhat.com/v1/repositories?page_size=1" | jq .total`
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if [ "$TOTAL" == "null" ]; then
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  echo "Error comunicating with Pyxis API."
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  exit 1
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fi
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PAGES=$(($TOTAL/500))
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for P in `seq 0 $PAGES`; do
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  curl -s --negotiate -u: -H 'Content-Type: application/json' -H 'Accept: application/json' -X GET "https://pyxis.engineering.redhat.com/v1/repositories?page_size=500&page=$P" > /tmp/pyxis$P.json
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done
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cat /tmp/pyxis*.json > /tmp/pyx.json
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rm -f /tmp/rhel-shortnames.conf
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while read -r LINE; do
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  if [[ "$LINE" == *\"_id\":* ]] || [[ "$LINE" == *\"total\":* ]]; then
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    if [ -z $REGISTRY ] ||
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       [ -z $PUBLISHED ] ||
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       [ -z $REPOSITORY ] ||
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       [  $REPOSITORY == \"\" ] ||
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       [ "$AVAILABLE" != "Generally Available" ] ||
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       [[ $REPOSITORY == *[@:]* ]] ||
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       [[ $REPOSITORY == *[* ]] ||
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       [[ "$REGISTRY" == *non_registry* ]] ||
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       [[ $REGISTRY != *.* ]]
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     then
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      continue
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    fi
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    if [[ $REGISTRY == *quay.io* ]] ||
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       [[ $REGISTRY == *redhat.com* ]]; then
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      if [ "$REQUIRES_TERMS" == "1" ]; then
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        REGISTRY=registry.redhat.io
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      fi
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      echo "\"$REPOSITORY\" = \"$REGISTRY/$REPOSITORY\""
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      echo "\"$REPOSITORY\" = \"$REGISTRY/$REPOSITORY\"" >> /tmp/rhel-shortnames.conf
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    fi
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    REGISTRY=""
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    PUBLISHED=""
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    AVAILABLE=""
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    REPOSITORY=""
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    REQUIRES_TERMS=""
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    continue
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  fi
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  if [[ "$LINE" == *\"published\":\ true,* ]]; then
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    PUBLISHED=1
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  fi
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  if [[ "$LINE" == *\"requires_terms\":\ true,* ]]; then
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    REQUIRES_TERMS=1
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  fi
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  if [[ "$LINE" == *\"repository\":\ * ]]; then
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    REPOSITORY=`echo $LINE | sed 's,^.* ",,' | sed 's;",$;;'`
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  fi
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  if [[ "$LINE" == *\"registry\":\ * ]]; then
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    REGISTRY=`echo $LINE | sed -e 's,^.*:\ ",,' -e 's,".*,,'`
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  fi
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  if [[ "$LINE" == *\"release_categories\":\ * ]]; then
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    read -r LINE
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    AVAILABLE=`echo $LINE | sed 's,",,g'`
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  fi
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done < /tmp/pyx.json
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cp /tmp/rhel-shortnames.conf /tmp/r.conf
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for D in `cut -d\  -f1 /tmp/r.conf | sort | uniq -d`; do
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  echo $D
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  M=`grep ^$D /tmp/r.conf | grep 'redhat.com' | tail -n1`
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  [ -z "$M" ] && M=`grep ^$D /tmp/r.conf | tail -n1`
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  echo $M
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  if [ ! -z "$M" ]; then
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    echo "replacing $D with $M"
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    grep -v "^$D.*" /tmp/r.conf > /tmp/r2.conf
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    echo "$M" >> /tmp/r2.conf
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    mv /tmp/r2.conf /tmp/r.conf
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  fi
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done
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sed -i '/.*rhel.*-els\/.*$/d' /tmp/r.conf
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echo "[aliases]" > 001-rhel-shortnames-pyxis.conf
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sort /tmp/r.conf >> 001-rhel-shortnames-pyxis.conf