From 3eebefcdf40b0f882cbfb74f977d8efab1660d39 Mon Sep 17 00:00:00 2001
From: Johannes Kastl <git@johannes-kastl.de>
Date: Sun, 2 Nov 2025 13:42:31 +0100
Subject: [PATCH] ADD scripts/update_chart.sh

---
 scripts/update_chart.sh | 70 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100755 scripts/update_chart.sh

diff --git a/scripts/update_chart.sh b/scripts/update_chart.sh
new file mode 100755
index 0000000..9d41332
--- /dev/null
+++ b/scripts/update_chart.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+
+set -o pipefail
+
+[[ "${#}" == "2" ]] || {
+    echo "Please give the chart name and the update type as only arguments"
+    exit 3
+}
+
+CHART="$1"
+UPDATE_TYPE="$2"
+
+
+appversion="$(awk '/^appVersion:/ {print $2}' "charts/${CHART}/Chart.yaml")"
+
+version="$(awk '/^version:/ {print $2}' "charts/${CHART}/Chart.yaml")"
+echo "Old version is ${version}"
+major="$(echo "${version}" | cut -d. -f1)"
+minor="$(echo "${version}" | cut -d. -f2)"
+patch="$(echo "${version}" | cut -d. -f3)"
+
+if [[ "${UPDATE_TYPE}" =~ (major|replacement) ]]
+then
+  major="$(( major + 1 ))"
+  minor=0
+  patch=0
+elif [[ "${UPDATE_TYPE}" =~ 'minor' ]]
+then
+  minor="$(( minor + 1 ))"
+  patch=0
+else
+  patch="$(( patch + 1 ))"
+fi
+
+newversion="${major}.${minor}.${patch}"
+echo "New version is ${newversion}"
+
+# change version in Chart.yaml
+sed -i "s/^version:.*/version: ${newversion}/g" "charts/${CHART}/Chart.yaml"
+
+# change artifacthub annotation in Chart.yaml
+sed -i "s/- kind: .*$/- kind: changed/g" "charts/${CHART}/Chart.yaml"
+sed -i "/kind/ {n; s/description:.*/description: update appVersion to ${appversion}/g}" "charts/${CHART}/Chart.yaml"
+
+# change versions in README.md
+sed -i "/img.shields.io/ s/Version\\: ${version}/Version: ${newversion}/g" "charts/${CHART}/README.md"
+sed -i "/img.shields.io/ s/Version-${version}-informational/Version-${newversion}-informational/g" "charts/${CHART}/README.md"
+
+changelog="
+### Version ${newversion}
+
+#### Added
+
+N/A
+
+#### Changed
+
+* update appVersion to ${appversion}
+
+#### Fixed
+
+N/A"
+
+if [[ -n "${appversion}" ]]
+then
+    sed -i "/adheres/r /dev/stdin"<<< "${changelog}" -- "charts/${CHART}/README_CHANGELOG.md.gotmpl"
+else
+    # nothing to do, as this is a library chart without an appVersion
+    true
+fi