From d29b24e005c5b1d12ab8767ad51f745574ae49e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miko=C5=82aj=20=C5=9Awi=C4=85tek?=
 <mail+sumo@mikolajswiatek.com>
Date: Thu, 22 Feb 2024 13:07:20 +0100
Subject: [PATCH] [chore] Automate adding release notes to the release

---
 .ci/create-release-github.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.ci/create-release-github.sh b/.ci/create-release-github.sh
index 8557ed7e75..d0acf5bf90 100755
--- a/.ci/create-release-github.sh
+++ b/.ci/create-release-github.sh
@@ -1,9 +1,14 @@
 #!/bin/bash
 
-OPERATOR_VERSION=$(git describe --tags)
+NOTES_FILE=/tmp/notes.md
+OPERATOR_VERSION=$(git describe --tags --abbrev=0)
+PREVIOUS_OPERATOR_VERSION=$(git describe --tags --abbrev=0 "${OPERATOR_VERSION}^")
+# Note: Changelog headers don't have the `v` prefix, so we need to drop the first letter in the sed expression below
+sed -n "/${OPERATOR_VERSION:1}/,/${PREVIOUS_OPERATOR_VERSION:1}/{/${PREVIOUS_OPERATOR_VERSION:1}/!p;}" CHANGELOG.md >${NOTES_FILE}
 
 gh config set prompt disabled
 gh release create \
     -t "Release ${OPERATOR_VERSION}" \
+    --notes-file ${NOTES_FILE} \
     "${OPERATOR_VERSION}" \
     'dist/opentelemetry-operator.yaml#Installation manifest for Kubernetes'