From 9287da15e03f5b00a9f10757e17d1d7d6c8df690 Mon Sep 17 00:00:00 2001
From: Yuchao Yan <yuchaoyan@microsoft.com>
Date: Fri, 6 Feb 2026 12:58:26 +0800
Subject: [PATCH 1/2] Auto-trigger release pipeline on main merge and add
 version check

---
 README.md                         |  2 +-
 eng/pipelines/publish-release.yml | 32 +++++++++++++++++++++++++++++--
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 0f73dd59cbb..57776abc131 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ pnpm clean
 **Semi-auto:**
 
 Follow https://github.com/Azure/autorest.python/blob/main/.github/skills/bump-and-release/SKILL.md to make a release PR. 
-After it merged, trigger [release pipeline](https://dev.azure.com/azure-sdk/internal/_build?definitionId=1668) to release new version.
+After it merged, [release pipeline](https://dev.azure.com/azure-sdk/internal/_build?definitionId=1668) will be triggered automatically to release new version.
 
 ## Contributing
 
diff --git a/eng/pipelines/publish-release.yml b/eng/pipelines/publish-release.yml
index f3f60666921..d2853baffb2 100644
--- a/eng/pipelines/publish-release.yml
+++ b/eng/pipelines/publish-release.yml
@@ -1,5 +1,8 @@
-# This is a manual pipeline, don't trigger automatically
-trigger: none
+# Automatically trigger on main branch merges
+trigger:
+  branches:
+    include:
+      - main
 pr: none
 
 extends: 
@@ -28,6 +31,31 @@ extends:
                   inputs:
                       versionSpec: 3.10
 
+                - script: |
+                      set -e
+                      
+                      # Check @azure-tools/typespec-python
+                      TYPESPEC_VERSION=$(node -p "require('./packages/typespec-python/package.json').version")
+                      echo "Checking if @azure-tools/typespec-python@$TYPESPEC_VERSION is already published..."
+                      if npm view @azure-tools/typespec-python@$TYPESPEC_VERSION version 2>/dev/null; then
+                        echo "##vso[task.logissue type=error]@azure-tools/typespec-python@$TYPESPEC_VERSION is already published to npm"
+                        exit 1
+                      fi
+                      echo "@azure-tools/typespec-python@$TYPESPEC_VERSION is not yet published"
+                      
+                      # Check @autorest/python
+                      AUTOREST_VERSION=$(node -p "require('./packages/autorest.python/package.json').version")
+                      echo "Checking if @autorest/python@$AUTOREST_VERSION is already published..."
+                      if npm view @autorest/python@$AUTOREST_VERSION version 2>/dev/null; then
+                        echo "##vso[task.logissue type=error]@autorest/python@$AUTOREST_VERSION is already published to npm"
+                        exit 1
+                      fi
+                      echo "@autorest/python@$AUTOREST_VERSION is not yet published"
+                      
+                      echo "Version check passed. Proceeding with build and tests."
+                  displayName: Check if versions are already published
+                  workingDirectory: $(Build.SourcesDirectory)
+
                 - script: npm install -g pnpm@9.5.0
                   displayName: Install PNPM 9.5.0
 

From 665f0d47ec98d5e7c5b209e5d7878c8e54b5ee35 Mon Sep 17 00:00:00 2001
From: Yuchao Yan <yuchaoyan@microsoft.com>
Date: Fri, 6 Feb 2026 13:25:43 +0800
Subject: [PATCH 2/2] Simplify trigger syntax in publish-release.yml

---
 eng/pipelines/publish-release.yml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/eng/pipelines/publish-release.yml b/eng/pipelines/publish-release.yml
index d2853baffb2..ec0bfb9d314 100644
--- a/eng/pipelines/publish-release.yml
+++ b/eng/pipelines/publish-release.yml
@@ -1,8 +1,6 @@
-# Automatically trigger on main branch merges
+# Trigger only after PR merged into main
 trigger:
-  branches:
-    include:
-      - main
+  - main
 pr: none
 
 extends: