git push rejected - Git push rejected non-fast-forward

root@linuxfix:~/git_push_rejected$

git push rejected

Git push rejected non-fast-forward

Solutions

Prerequisites: Start by updating your system to resolve common issues and ensure the solutions provided below are compatible with your current environment.

check_latest_version && sudo apt update && sudo apt upgrade -y

Pull latest changes

Update local repository:

git pull origin main

git fetch && git merge origin/main

git status

Resolve conflicts

Fix merge conflicts:

git mergetool

git add conflicted_file

git commit -m "Resolve conflicts"

Force push (careful)

Override remote changes:

git push --force-with-lease

git push --force origin main

Warning: Force push can lose data. Only use when certain.

What is git push rejected?

Git push rejected because remote has changes not in local repository.

Common scenarios: Remote repository ahead, merge conflicts, or force push needed.

Common Causes

Remote repository has newer commits
Local branch behind remote
Merge conflicts exist
Branch protection rules
Authentication issues

Debugging Tips

git log --oneline --graph

git remote -v

git branch -a

Prevention

Regular pulls
Small frequent commits
Coordinate with team

Additional Resources

Git Documentation

Official Git documentation

git version-control push merge