update_tag_in_docs_and_files.sh

#!/usr/bin/env bash

LATEST_TAG=$1
NEXT_TAG=$2
LATEST_DATE=$(echo ${LATEST_TAG} | sed 's/.*-//')
NEXT_DATE=$(echo ${NEXT_TAG} | sed 's/.*-//')
latest_chart_app_version=$(find . \( -type d -name .git -prune \) -o -type f -name 'Chart.yaml' -print0 | xargs -0 cat | grep ^appVersion | cut -d ':' -f 2 | tr -d '[:space:]')

echo -e "\033[0;32m Updating tag displayed in docs and files...\033[0m"
echo -e "\033[0;32m LATEST_TAG -> ${LATEST_TAG}\033[0m"
echo -e "\033[0;32m NEXT_TAG -> ${NEXT_TAG}\033[0m"

# If you want to test this locally and you are using macOS, do `brew install gnu-sed` and change `sed` for `gsed`.
find . \( -type d -name .git -prune \) -o -type f ! -name 'CHANGELOG.md' -print0 | xargs -0 sed -i "s/${LATEST_TAG}/${NEXT_TAG}/g"

echo -e "\033[0;32m Updating date used in some docs and files...\033[0m"
echo -e "\033[0;32m LATEST_DATE -> ${LATEST_DATE}\033[0m"
echo -e "\033[0;32m NEXT_DATE -> ${NEXT_DATE}\033[0m"

# If you want to test this locally and you are using macOS, do `brew install gnu-sed` and change `sed` for `gsed`.
find . \( -type d -name .git -prune \) -o -type f ! -name 'CHANGELOG.md' -print0 | xargs -0 sed -i "s/${LATEST_DATE}/${NEXT_DATE}/g"

# Bump chart version and appVersion if next tag is different
if [ "$latest_chart_app_version" == $LATEST_TAG ] && [ "$latest_chart_app_version" != "$NEXT_TAG" ]; then
  IFS='.' read -ra latest_version_parts <<< "$LATEST_TAG"
  IFS='.' read -ra next_version_parts <<< "$NEXT_TAG"
  latest_chart_version=$(find . \( -type d -name .git -prune \) -o -type f -name 'Chart.yaml' -print0 | xargs -0 cat | grep ^version | cut -d ':' -f 2 | tr -d '[:space:]')
  IFS='.' read -ra latest_chart_version_parts <<< "$latest_chart_version"
  if [ "${latest_version_parts[0]}" != "${next_version_parts[0]}" ]; then
    ((latest_chart_version_parts[0]++))
    latest_chart_version_parts[1]=0
    latest_chart_version_parts[2]=0
  elif [ "${latest_version_parts[1]}" != "${next_version_parts[1]}" ]; then
    ((latest_chart_version_parts[1]++))
    latest_chart_version_parts[2]=0
  elif [ "${latest_version_parts[2]}" != "${next_version_parts[2]}" ]; then
    ((latest_chart_version_parts[2]++))
  fi
  next_chart_version="${latest_chart_version_parts[0]}.${latest_chart_version_parts[1]}.${latest_chart_version_parts[2]}"
  echo -e "\033[0;32m Updating chart version...\033[0m"
  echo -e "\033[0;32m LATEST_CHART_VERSION -> ${latest_chart_version}\033[0m"
  echo -e "\033[0;32m NEXT_CHART_VERSION -> ${next_chart_version}\033[0m"
  # If you want to test this locally and you are using macOS, do `brew install gnu-sed` and change `sed` for `gsed`.
  find . \( -type d -name .git -prune \) -o -type f -name 'Chart.yaml' -print0 | xargs -0 sed -i "s/${latest_chart_version}/${next_chart_version}/g"
  find . \( -type d -name .git -prune \) -o -type f -name 'bug_report.yaml' -print0 | xargs -0 sed -i "s/${latest_chart_version}/${next_chart_version}/g"
fi

git diff | cat

echo -e "\033[0;32m Text updated...\033[0m"