From 479ed452b172db93b1e87af7719f8f4e5172c01b Mon Sep 17 00:00:00 2001
From: Mengwei Liu <larryliu@meta.com>
Date: Tue, 14 Oct 2025 15:13:41 -0700
Subject: [PATCH 1/3] Fix precommit hook to extract commit hash from nightly
 commit title instead of using the nightly commit hash

As titled.
---
 .github/scripts/update_pytorch_pin.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/.github/scripts/update_pytorch_pin.py b/.github/scripts/update_pytorch_pin.py
index 85ffd680019..92780e48c80 100644
--- a/.github/scripts/update_pytorch_pin.py
+++ b/.github/scripts/update_pytorch_pin.py
@@ -4,7 +4,6 @@
 import re
 import sys
 import urllib.request
-from datetime import datetime
 
 
 def parse_nightly_version(nightly_version):
@@ -75,13 +74,20 @@ def get_commit_hash_for_nightly(date_str):
         # Check if the first line of commit message matches
         first_line = commit_msg.split("\n")[0].strip()
         if first_line == target_title or first_line.startswith(f"{date_str} nightly"):
-            return commit["sha"]
+            return extract_hash_from_title(first_line)
 
     raise ValueError(
         f"Could not find commit with title matching '{target_title}' in nightly branch"
     )
 
 
+def extract_hash_from_title(title):
+    match = re.search(r"\(([0-9a-fA-F]{7,40})\)", title)
+    if not match:
+        raise ValueError(f"Could not extract commit hash from title '{title}'")
+    return match.group(1)
+
+
 def update_pytorch_pin(commit_hash):
     """
     Update .ci/docker/ci_commit_pins/pytorch.txt with the new commit hash.

From 112390440085f879d39de45d71d169a5b08bd0b5 Mon Sep 17 00:00:00 2001
From: Mengwei Liu <larryliu@meta.com>
Date: Tue, 14 Oct 2025 15:35:54 -0700
Subject: [PATCH 2/3] Test and fix

---
 .github/scripts/update_pytorch_pin.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/scripts/update_pytorch_pin.py b/.github/scripts/update_pytorch_pin.py
index 92780e48c80..2df0eb8d5a1 100644
--- a/.github/scripts/update_pytorch_pin.py
+++ b/.github/scripts/update_pytorch_pin.py
@@ -52,7 +52,7 @@ def get_commit_hash_for_nightly(date_str):
         Commit hash string
     """
     api_url = "https://api.github.com/repos/pytorch/pytorch/commits"
-    params = f"?sha=nightly&per_page=100"
+    params = f"?sha=nightly&per_page=50"
     url = api_url + params
 
     req = urllib.request.Request(url)
@@ -73,7 +73,7 @@ def get_commit_hash_for_nightly(date_str):
         commit_msg = commit.get("commit", {}).get("message", "")
         # Check if the first line of commit message matches
         first_line = commit_msg.split("\n")[0].strip()
-        if first_line == target_title or first_line.startswith(f"{date_str} nightly"):
+        if first_line.startswith(f"{date_str} nightly"):
             return extract_hash_from_title(first_line)
 
     raise ValueError(

From 9e2c93a63467b788a62b7c628e609584d558ece2 Mon Sep 17 00:00:00 2001
From: Mengwei Liu <larryliu@meta.com>
Date: Tue, 14 Oct 2025 15:44:09 -0700
Subject: [PATCH 3/3] Add pre-commit

---
 .githooks/pre-commit | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/.githooks/pre-commit b/.githooks/pre-commit
index 5de24d0da1c..b3d66f3f69a 100755
--- a/.githooks/pre-commit
+++ b/.githooks/pre-commit
@@ -8,7 +8,11 @@ if git diff --cached --name-only | grep -q "^torch_pin.py$"; then
     echo "📝 Updating PyTorch commit pin..."
 
     # Run the update script
-    if python .github/scripts/update_pytorch_pin.py; then
+    hook_output=$(python .github/scripts/update_pytorch_pin.py 2>&1)
+    hook_status=$?
+    echo "$hook_output"
+
+    if [ $hook_status -eq 0 ]; then
         # Check if pytorch.txt was modified
         if ! git diff --quiet .ci/docker/ci_commit_pins/pytorch.txt; then
             echo "✅ PyTorch commit pin updated successfully"
@@ -19,9 +23,14 @@ if git diff --cached --name-only | grep -q "^torch_pin.py$"; then
             echo "ℹ️  PyTorch commit pin unchanged"
         fi
     else
-        echo "❌ Failed to update PyTorch commit pin"
-        echo "Please run: python .github/scripts/update_pytorch_pin.py"
-        exit 1
+        if echo "$hook_output" | grep -qi "rate limit exceeded"; then
+            echo "⚠️  PyTorch commit pin not updated due to GitHub API rate limiting."
+            echo "   Please manually update .ci/docker/ci_commit_pins/pytorch.txt if needed."
+        else
+            echo "❌ Failed to update PyTorch commit pin"
+            echo "Please run: python .github/scripts/update_pytorch_pin.py"
+            exit 1
+        fi
     fi
 fi