SHELL

git push local branch to existing repository

git init
# Optional: create branch
git checkout -b branch_name
git add .
git commit -m "Adds existing project to GitHub remote repository"

git remote add origin https://github.com/username/example-project.git

git pull --rebase origin main
# Resolve merge conflicts if needed
git push origin main

how to push changes to branch in git

 # push any desired branch to remote
 git push -u origin local_branch_name:remote_branch_name

how to push current code to new branch git

git checkout -b my_new_branch
git commit