From f0a6a281c38fd6cd6c51aeb4a1227c458f39b415 Mon Sep 17 00:00:00 2001
From: Peter Grayson <pete@jpgrayson.net>
Date: Sun, 10 Dec 2023 23:22:12 -0500
Subject: [PATCH] ci: add latest-changelog.awk

---
 .github/workflows/ci.yml             |  4 ++++
 contrib/release/latest-changelog.awk | 30 ++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100755 contrib/release/latest-changelog.awk

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 52750e13..2d7fdb20 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -286,10 +286,14 @@ jobs:
       - name: Make source archive
         run: |
           ./contrib/release/make-archive.sh artifacts
+      - name: Latest Changes
+        run: |
+          ./contrib/release/latest-changelog.awk CHANGELOG.md >latest-changes.md
       - name: Draft Release
         uses: softprops/action-gh-release@v1
         with:
           draft: true
+          body_path: latest-changes.md
           fail_on_unmatched_files: true
           files: |
             artifacts/stgit-*.tar.gz
diff --git a/contrib/release/latest-changelog.awk b/contrib/release/latest-changelog.awk
new file mode 100755
index 00000000..2a4301c0
--- /dev/null
+++ b/contrib/release/latest-changelog.awk
@@ -0,0 +1,30 @@
+#!/usr/bin/env -S awk -f
+
+# Extract the latest release notes from CHANGELOG.md.
+#
+# The h3 sections from the first h2 section are printed.
+
+BEGIN {
+    foundFirstH2 = 0
+    foundFirstH3 = 0
+    foundSecondH2 = 0
+}
+
+{
+    if (!foundFirstH2) {
+        if ($0 ~ /^## /) {
+            foundFirstH2 = 1
+        }
+    } else if (!foundFirstH3) {
+        if ($0 ~ /^### /) {
+            foundFirstH3 = 1
+            print $0
+        }
+    } else if (!foundSecondH2) {
+        if ($0 ~ /^## /) {
+            foundSecondH2 = 1
+        } else {
+            print $0
+        }
+    }
+}