Automatically generate helm/changelog PR

ci/build/update-repo.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+function update_helm() {
+  local current
+  current=$(yq .version ci/helm-chart/Chart.yaml)
+  local next
+  next=$(semver "$current" -i minor)
+  echo "Bumping version from $current to $next..."
+  sed -i.bak "s/^version: $current\$/version: $next/" ci/helm-chart/Chart.yaml
+
+  echo "Setting app version and image to $version..."
+  sed -i.bak "s/^appVersion: .\+\$/appVersion: $version/" ci/helm-chart/Chart.yaml
+  sed -i.bak "s/^  tag: .\+\$/  tag: '$version'/" ci/helm-chart/values.yaml
+}
+
+function update_changelog() {
+  local date
+  date=$(printf '%(%Y-%m-%d)T\n' -1)
+  local link="https://github.com/coder/code-server/releases/tag/v$version"
+  sed -i.bak "s|## Unreleased|## Unreleased\n\n## [$version]($link) - $date|" CHANGELOG.md
+}
+
+function main() {
+  cd "$(dirname "${0}")/../.."
+
+  source ./ci/lib.sh
+
+  local version=${VERSION:-$(git describe --tags)}
+  version="${version#v}"
+
+  declare -a steps
+
+  steps+=(
+    "Update Helm chart" "update_helm"
+    "Update changelog" "update_changelog"
+  )
+
+  run-steps "${steps[@]}"
+
+  # This step is always manual.
+  echo "- [ ] https://github.com/coder/code-server-aur/pulls" >> .cache/checklist
+}
+
+main "$@"