chore(beep boop 🤖): Bump uv.lock (main) (2026-02-20)

[svcnvidia-nemo-ci]

🚀 PR to bump uv.lock in main.

🤖 This PR will be merged automatically once CI passes.

Summary by CodeRabbit

• Chores
  • Updated internal dependencies to the latest available versions.

[svcnvidia-nemo-ci]

/ok to test 1862d35

[copy-pr-bot]

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[coderabbitai]

📝 Walkthrough

Walkthrough

This PR updates the Megatron-LM submodule pointer from commit 8f1c2f8 to commit 7b6e226. The change involves moving the tracked submodule reference to a different commit without modifying code, tests, or public interfaces.

Changes

Cohort / File(s)	Summary
Submodule Reference Update 3rdparty/Megatron-LM	Updated submodule pointer to reference a different commit in the Megatron-LM repository.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-13) #2377: Updates the Megatron-LM submodule pointer to a different target commit.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-06) #2256: Updates the Megatron-LM submodule pointer with no other code changes.
• chore(beep boop 🤖): Bump uv.lock (r0.3.0) (2026-02-12) #2348: Updates the Megatron-LM submodule pointer to a new commit.

Suggested reviewers

• maanug-nv
• yaoyu-33

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title mentions bumping 'uv.lock' but the actual change is a Megatron-LM submodule reference update, not a uv.lock file change.	Update the title to accurately reflect the main change: updating the Megatron-LM submodule reference, e.g., 'chore: Update Megatron-LM submodule reference'.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Test Results For Major Changes	✅ Passed	This PR contains only minor changes—a routine dependency lock file bump and submodule version update with +1/-1 lines changed, not a new feature or breaking change.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch bump-ci-container-2026-02-20-main

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@3rdparty/Megatron-LM`:
- Line 1: The submodule reference for 3rdparty/Megatron-LM points to a
non-existent commit (7b6e226ae0f4e247ccadc5d6a057016b2287ebc5); update the
submodule to a valid upstream ref by verifying the intended commit in the
upstream NVIDIA/Megatron-LM repo, then set the submodule to a reachable
commit/tag/branch (update the commit SHA in the submodule entry or change the
branch in .gitmodules), run git submodule sync and git submodule update --init
--recursive to record the correct SHA, and commit the updated submodule
reference so the repo no longer points to the missing commit.

[coderabbitai]

⚠️ Potential issue | 🔴 Critical

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# First, check if .gitmodules exists and what it says about Megatron-LM
if [ -f .gitmodules ]; then
  echo "=== .gitmodules content for Megatron-LM ==="
  grep -A 3 "path = 3rdparty/Megatron-LM" .gitmodules
fi

# Check current state of the submodule
echo ""
echo "=== Git status for submodule ==="
cd 3rdparty/Megatron-LM 2>/dev/null && pwd || echo "3rdparty/Megatron-LM directory does not exist or is not accessible"

# Try to verify the commit exists
if [ -d 3rdparty/Megatron-LM/.git ] || [ -f 3rdparty/Megatron-LM/.git ]; then
  echo ""
  echo "=== Verifying commit 7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 ==="
  cd 3rdparty/Megatron-LM
  git cat-file -t 7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 2>&1
  
  echo ""
  echo "=== Log between old (8f1c2f8ae53b4e3f32c0ae7f397d8b38a675eaa2) and new (7b6e226ae0f4e247ccadc5d6a057016b2287ebc5) ==="
  git log --oneline 8f1c2f8ae53b4e3f32c0ae7f397d8b38a675eaa2..7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 2>&1 | head -20
fi

Repository: NVIDIA-NeMo/Megatron-Bridge

Length of output: 266

---

🏁 Script executed:

#!/bin/bash
cd 3rdparty/Megatron-LM

echo "=== Verifying commit 7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 ==="
git cat-file -t 7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 2>&1

echo ""
echo "=== Checking if previous commit 8f1c2f8ae53b4e3f32c0ae7f397d8b38a675eaa2 exists ==="
git cat-file -t 8f1c2f8ae53b4e3f32c0ae7f397d8b38a675eaa2 2>&1

echo ""
echo "=== Log between old and new commit ==="
git log --oneline 8f1c2f8ae53b4e3f32c0ae7f397d8b38a675eaa2..7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 2>&1 | head -20

echo ""
echo "=== Current submodule commit ==="
git rev-parse HEAD 2>&1

Repository: NVIDIA-NeMo/Megatron-Bridge

Length of output: 852

---

🏁 Script executed:

#!/bin/bash
cd 3rdparty/Megatron-LM

echo "=== Searching for commit 7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 in all branches/tags ==="
git branch -r --contains 7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 2>&1 || echo "Commit not found in any remote branch"
git tag --contains 7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 2>&1 || echo "Commit not found in any tag"

echo ""
echo "=== List recent commits from main/master branch ==="
git log --oneline -20 origin/main 2>&1 || git log --oneline -20 origin/master 2>&1

echo ""
echo "=== Check if this is a shallow clone ==="
git rev-parse --is-shallow-repository 2>&1

Repository: NVIDIA-NeMo/Megatron-Bridge

Length of output: 1768

---

🏁 Script executed:

#!/bin/bash
# Check the parent repo's .gitmodules and git index for the submodule pointer
echo "=== Parent repo .gitmodules ==="
cd /home/jailuser/git
cat .gitmodules | grep -A 3 "Megatron-LM"

echo ""
echo "=== Current submodule status in parent repo ==="
git submodule status | grep Megatron-LM

echo ""
echo "=== Check git ls-files for submodule ==="
git ls-files --stage | grep Megatron-LM

Repository: NVIDIA-NeMo/Megatron-Bridge

Length of output: 440

---

Submodule commit 7b6e226ae0f4e247ccadc5d6a057016b2287ebc5 does not exist in the upstream NVIDIA/Megatron-LM repository.

The commit cannot be found on any remote branch or tag, and the upstream repository refuses it as "not our ref". This will cause submodule initialization and updates to fail. Verify the intended commit is correct, or use a reachable commit from the upstream repository.

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@3rdparty/Megatron-LM` at line 1, The submodule reference for
3rdparty/Megatron-LM points to a non-existent commit
(7b6e226ae0f4e247ccadc5d6a057016b2287ebc5); update the submodule to a valid
upstream ref by verifying the intended commit in the upstream NVIDIA/Megatron-LM
repo, then set the submodule to a reachable commit/tag/branch (update the commit
SHA in the submodule entry or change the branch in .gitmodules), run git
submodule sync and git submodule update --init --recursive to record the correct
SHA, and commit the updated submodule reference so the repo no longer points to
the missing commit.