autoUpdate


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#!/bin/bash
# A script for automatically updating the elasticsearch AUR package by checking the project's releases on github
# Jared Johnstone
# # Sat 29 Jul 2023 11:05:59 AEST
set -o pipefail
files=(PKGBUILD .SRCINFO)

githubProject="elastic/elasticsearch"

. PKGBUILD || { echo "This script must be placed and run in the AUR package dir" ; exit 1;}

git status >/dev/null 2>&1 || { echo "This script is not suitable for running outside of a git repository." ; exit 1 ;}

githubBaseurl="https://api.github.com/repos"
githubLatestRelease="$(curl -Ss ${githubBaseurl}/${githubProject}/releases/latest)" || { echo "Failed fetching latest release info from github" ; exit 1;}
latestVer=$(jq -r .tag_name <<< ${githubLatestRelease} | tr -d [a-z]) || { echo "Failed to read latest version" ; exit 1;}

latestVerTarballUrl="$(jq -r .tarball_url <<< ${githubLatestRelease})"

compareString="(pkgver=${pkgver}, latestVer=${latestVer})"
if [ "${pkgver}" == "${latestVer}" ]
then
  echo "No new version detected. ${compareString}"
  exit
else
  echo "New version detected. ${compareString}"
  echo "Downloading latest release to generate a replacement b2sum..."
  newB2sum="$(curl -L --progress-meter "${latestVerTarballUrl}" | b2sum | cut -f1 -d' ')" || { echo "Failed to download the archive for checksumming" ; exit 1;}
  oldB2sum="${b2sums[0]}"

    # Update version vars
  sed -i "s/${pkgver//./\\.}/${latestVer}/g" ${files[@]}
    # Update B2sum
  sed -i "s/${oldB2sum}/${newB2sum}/g" ${files[@]}
    # Reset pkgrel
  sed -i -E -e 's/pkgrel=[0-9]+/pkgrel=1/g' -e 's/pkgrel = [0-9]+/pkgrel = 1/g' ${files[@]}

  git add ${files[@]}
  git commit -m "Version bump to ${latestVer}"
  git push || { echo "Failed to push version bump." ; exit 1;}
fi