From 4d0ac15e5520028ecc2f4640450724e72f2ec030 Mon Sep 17 00:00:00 2001
From: nerix <nerixdev@outlook.de>
Date: Tue, 20 Aug 2024 18:20:45 +0200
Subject: [PATCH] ci: show recent changes in nightly release (#5553)

---
 .CI/format-recent-changes.py | 61 ++++++++++++++++++++++++++++++++++++
 .github/workflows/build.yml  | 13 +++++++-
 CHANGELOG.md                 |  1 +
 3 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 .CI/format-recent-changes.py

diff --git a/.CI/format-recent-changes.py b/.CI/format-recent-changes.py
new file mode 100644
index 000000000..630cfb85c
--- /dev/null
+++ b/.CI/format-recent-changes.py
@@ -0,0 +1,61 @@
+from datetime import datetime, timezone
+import os
+import subprocess
+import re
+
+LINE_REGEX = re.compile(
+    r"""(?x)
+^(?P<commit>[A-Fa-f0-9]+)\s+
+\(
+    <(?P<email>[^>]+)>\s+
+    (?P<date>[^\s]+\s[^\s]+\s[^\s]+)\s+
+    (?P<line>\d+)
+\)\s
+(?P<content>.*)$
+"""
+)
+VERSION_REGEX = re.compile(r"^#+\s*v?\d")
+
+# contains lines in the form of
+# {commit-sha} (<{email}>\s+{date}\s+{line-no}) {line}
+p = subprocess.run(
+    ["git", "blame", "-e", "--date=iso", "../CHANGELOG.md"],
+    cwd=os.path.dirname(os.path.realpath(__file__)),
+    text=True,
+    check=True,
+    capture_output=True,
+)
+
+unreleased_lines: list[tuple[datetime, str]] = []
+for line in p.stdout.splitlines():
+    if not line:
+        continue
+    m = LINE_REGEX.match(line)
+    assert m, f"Failed to match '{line}'"
+    content = m.group("content")
+
+    if not content:
+        continue
+    if content.startswith("#"):
+        if VERSION_REGEX.match(content):
+            break
+        continue  # ignore lines with '#'
+
+    d = datetime.fromisoformat(m.group("date"))
+    d = d.astimezone(tz=timezone.utc)
+    content = content.replace("- ", f"- [{d.strftime('%Y-%m-%d')}] ", 1)
+    unreleased_lines.append((d, content))
+
+unreleased_lines.sort(key=lambda it: it[0], reverse=True)
+
+if len(unreleased_lines) == 0:
+    print("No changes since last release.")
+
+for _, line in unreleased_lines[:5]:
+    print(line)
+
+if len(unreleased_lines) > 5:
+    print("<details><summary>More Changes</summary>\n")
+    for _, line in unreleased_lines[5:]:
+        print(line)
+    print("</details>")
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a6ee06708..5975b94c4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -389,6 +389,17 @@ jobs:
         working-directory: release-artifacts
         shell: bash
 
+      - name: Format changes
+        id: format-changes
+        run: |
+          delimiter=$(openssl rand -hex 32)
+          {
+            echo "changelog<<$delimiter"
+            python3 ./.CI/format-recent-changes.py
+            echo $delimiter
+          } >> "$GITHUB_OUTPUT"
+        shell: bash
+
       - name: Create release
         uses: ncipollo/release-action@v1.14.0
         with:
@@ -396,7 +407,7 @@ jobs:
           allowUpdates: true
           artifactErrorsFailBuild: true
           artifacts: "release-artifacts/*"
-          body: ${{ github.event.head_commit.message }}
+          body: ${{ steps.format-changes.outputs.changelog }}
           prerelease: true
           name: Nightly Release
           tag: nightly-build
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5a7c0744..5a2af1cb5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -68,6 +68,7 @@
 - Dev: Refactored a few `#define`s into `const(expr)` and cleaned includes. (#5527)
 - Dev: Added `FlagsEnum::isEmpty`. (#5550)
 - Dev: Prepared for Qt 6.8 by addressing some deprecations. (#5529)
+- Dev: Recent changes are now shown in the nightly release description. (#5553)
 
 ## 2.5.1