From 9c973d2b24567dde055c45261119baba1bef4e1f Mon Sep 17 00:00:00 2001
From: peterstone2017 <12449837+YunchuWang@users.noreply.github.com>
Date: Thu, 23 Oct 2025 09:29:10 -0700
Subject: [PATCH] Release version updated to v1.16.2 and update changelog

---
 CHANGELOG.md              |  5 ++++
 eng/targets/Release.props |  2 +-
 generate_changelog.py     | 58 +++++++++++++++++++++++++--------------
 3 files changed, 44 insertions(+), 21 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 083e9c7a..0689d461 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,9 @@
 # Changelog
+## v1.16.2
+- Generate changelog script + update changelog for v1.16.1 by wangbill ([#486](https://github.com/microsoft/durabletask-dotnet/pull/486))
+- Remove unnecessary project reference to grpc.azuremanagedbackend in azureblobpayloads.csproj by wangbill ([#485](https://github.com/microsoft/durabletask-dotnet/pull/485))
+- Large payload azure blob externalization support by wangbill ([#468](https://github.com/microsoft/durabletask-dotnet/pull/468))
+
 ## v1.16.1
 - Include exception properties in failure details when orchestration throws directly by Naiyuan Tian ([#482](https://github.com/microsoft/durabletask-dotnet/pull/482))
 - Set low priority for scheduled runs by Daniel Castro ([#477](https://github.com/microsoft/durabletask-dotnet/pull/477))
diff --git a/eng/targets/Release.props b/eng/targets/Release.props
index 8bbd3785..d4adbf24 100644
--- a/eng/targets/Release.props
+++ b/eng/targets/Release.props
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <VersionPrefix>1.16.1</VersionPrefix>
+    <VersionPrefix>1.16.2</VersionPrefix>
     <VersionSuffix></VersionSuffix>
   </PropertyGroup>
 
diff --git a/generate_changelog.py b/generate_changelog.py
index 83ee8c06..8442a848 100644
--- a/generate_changelog.py
+++ b/generate_changelog.py
@@ -1,37 +1,55 @@
 import subprocess
 import re
 import argparse
+import sys
 
-def get_git_log(tag):
-    # try to find previous tag; fall back to the second-latest tag if needed
+def run_cmd(cmd):
+    """Run shell command and return stdout as string."""
     try:
-        prev_tag = subprocess.check_output(
-            "git tag --sort=-creatordate", shell=True, text=True
-        ).strip().split("\n")
-        # take the tag immediately before the given one
-        if tag in prev_tag:
-            idx = prev_tag.index(tag)
-            previous = prev_tag[idx + 1] if idx + 1 < len(prev_tag) else None
-        else:
-            previous = prev_tag[1] if len(prev_tag) > 1 else None
-    except Exception:
-        previous = None
+        return subprocess.check_output(cmd, shell=True, text=True, encoding="utf-8", errors="ignore").strip()
+    except subprocess.CalledProcessError as e:
+        return ""
+
+def get_latest_tag():
+    tags = run_cmd("git tag --sort=-creatordate").split("\n")
+    return tags[0] if tags and tags[0] else None
+
+def branch_exists(branch):
+    result = run_cmd(f"git rev-parse --verify {branch}")
+    return bool(result)
+
+def tag_exists(tag):
+    result = run_cmd(f"git rev-parse --verify refs/tags/{tag}")
+    return bool(result)
 
-    format_str = "%h||%s||%an"
-    if previous:
-        cmd = f'git log {previous}..{tag} --pretty=format:"{format_str}"'
+def get_git_log(tag):
+    """Generate git log range depending on tag availability."""
+    tags = [t for t in run_cmd("git tag --sort=-creatordate").split("\n") if t]
+    latest_tag = tags[0] if tags else None
+
+    if tag_exists(tag):
+        # Tag exists: find the one before it
+        if tag in tags:
+            idx = tags.index(tag)
+            previous = tags[idx + 1] if idx + 1 < len(tags) else None
+        else:
+            previous = tags[1] if len(tags) > 1 else None
+        cmd = f'git log {previous}..{tag} --pretty=format:"%h||%s||%an"' if previous else f'git log {tag} --pretty=format:"%h||%s||%an" -n 50'
     else:
-        # fallback: just commits reachable from tag
-        cmd = f'git log {tag} --pretty=format:"{format_str}" -n 50'
+        # Tag does not exist -> generate diff between latest tag and main
+        print(f"[WARN] Tag '{tag}' not found, generating changelog between latest tag '{latest_tag}' and 'main'")
+        if not latest_tag:
+            cmd = f'git log main --pretty=format:"%h||%s||%an" -n 50'
+        else:
+            cmd = f'git log {latest_tag}..main --pretty=format:"%h||%s||%an"'
 
     print(f"[DEBUG] Running: {cmd}")
-    output = subprocess.check_output(cmd, shell=True, text=True, encoding="utf-8", errors="ignore")
+    output = run_cmd(cmd)
     return [line.strip() for line in output.split("\n") if line.strip()]
 
 def extract_pr_info(message):
     pr_match = re.search(r"(?:#|PR\s*)(\d+)", message)
     pr_number = pr_match.group(1) if pr_match else None
-    # Strip out PR refs and noise
     clean = re.sub(r"\(?#\d+\)?|Merge pull request.*|from.*|PR\s*\d+", "", message)
     clean = clean.strip().capitalize()
     return clean, pr_number