# Git 案例实战

# 拉取远程并覆盖本地

git fetch --all
git reset --hard origin/masters

git clone https://git.test1.tech/project/A.git
git checkout testA

git remote add project_B http://git.test2.com/project/B.git

git fetch project_B
git checkout -b test_B project_B/master

git checkout testA
git merge test_B
# 此时提示 fatal: 拒绝合并无关的历史

git merge test_B --allow-unrelated-histories