GitComparisonBeginner · 4 min read

Git Push Force vs Force-With-Lease: Key Differences and Usage

The git push --force command overwrites the remote branch unconditionally, which can overwrite others' work. In contrast, git push --force-with-lease safely forces the push only if the remote branch has not changed since your last fetch, preventing accidental overwrites.

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Quick Comparison

Here is a quick side-by-side comparison of git push --force and git push --force-with-lease to understand their key differences.

Factor	git push --force	git push --force-with-lease
Overwrite Safety	Unconditionally overwrites remote branch	Overwrites only if remote branch unchanged since last fetch
Risk of Data Loss	High risk of overwriting others' commits	Lower risk, safer for collaboration
Use Case	When you want to force push regardless of remote changes	When you want to force push but avoid overwriting others' work
Default Behavior	Ignores remote branch state	Checks remote branch state before pushing
Error on Conflict	No error, always pushes	Fails if remote branch changed, requiring manual update

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Key Differences

git push --force forcibly updates the remote branch without checking if it has changed since your last pull or fetch. This means it can overwrite commits pushed by others, leading to potential data loss or confusion in team environments.

On the other hand, git push --force-with-lease acts as a safer alternative. It checks if the remote branch's current state matches what you last saw locally. If someone else pushed changes in the meantime, the push will be rejected, preventing accidental overwrites.

This makes --force-with-lease ideal for collaborative workflows where you want to rewrite history but still protect others' work. It adds a safety net by verifying the remote branch's state before forcing the push.

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Code Comparison

Here is how you use git push --force to overwrite the remote branch:

bash

git push origin feature-branch --force

Output

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Force-With-Lease Equivalent

Here is how you use git push --force-with-lease to safely force push only if no one else updated the remote branch:

bash

git push origin feature-branch --force-with-lease

Output

Enumerating objects: 10, done. Counting objects: 100% (10/10), done. Delta compression using up to 4 threads Compressing objects: 100% (5/5), done. Writing objects: 100% (7/7), 1.23 KiB | 1.23 MiB/s, done. Total 7 (delta 3), reused 0 (delta 0) remote: Resolving deltas: 100% (3/3), completed with 3 local objects. To github.com:user/repo.git + abc1234...def5678 feature-branch -> feature-branch (forced update) # If remote changed, push is rejected with: # error: failed to push some refs to 'github.com:user/repo.git' # hint: Updates were rejected because the remote contains work that you do # hint: not have locally. This is usually caused by another repository pushing # hint: to the same ref. You may want to first integrate the remote changes.

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When to Use Which

Choose --force when you are sure no one else is working on the branch or you want to overwrite remote history regardless of others' changes.

Choose --force-with-lease when you want to safely rewrite history but avoid accidentally overwriting others' commits, especially in team environments.

Using --force-with-lease is a best practice for collaboration because it adds a safety check that prevents data loss.

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Key Takeaways

Use git push --force-with-lease to safely force push without overwriting others' work.

git push --force overwrites remote branches unconditionally and can cause data loss.

--force-with-lease checks remote branch state before pushing, preventing accidental overwrites.

Prefer --force-with-lease in team environments for safer collaboration.

Use --force only when you are certain no one else has updated the remote branch.