git:: delete all commit history _git reset 깃초기화

연습하다보면 불필요한 commit 이력이 수십개가 되고, 
다시 repo 삭제>생성하는 것이 번거로울 때 사용

# copy and paste
git checkout --orphan latest_branch
git add --all
git commit -am "commit message"
git branch -D main
git branch -m main
git push -f origin main
 
 
 
-----Step by description-----------
#Checkout
git checkout --orphan latest_branch
 
#Add all the files
git add --all
 
#Commit the changes
git commit -am "commit message"
 
#Delete the branch
git branch -D main
 
#Rename the current branch to main
git branch -m main
 
#Finally, force update your repository
git push -f origin main

git pull origin {BranchName} --allow-unrelated-histories
git pull origin main --allow-unrelated-histories

# git delete cached
git rm -r --cached .
git add .
git commit -am 'git cache cleared'
git push