github issue, pull request 활용하기

PR 내 충돌 해결법

# clean your local working directory with a stash or commit

# update your local repo with the content of the remote branches
git fetch --all --prune

# checkout the release_v1 branch
git checkout release_v1 

# update the content if required
git pull origin release_v1 

# merge the desired branch
git merge origin/master