#!/bin/sh

unset GIT_DIR

mkdir -p /opt/webapps/project

cd /opt/webapps/project || exit

# 获取当前分支和目标分支

CURR_BRANCH=$(git symbolic-ref --short -q HEAD)

echo "current branch: ${CURR_BRANCH}"

TARGET_BRANCH=$(echo "$1" | awk -F/ '{print $3}')

echo "target branch: ${TARGET_BRANCH}"

# 初始化仓库

git init

git remote add origin /opt/webapps/project-bare.git

# 清除未跟踪或未暂存的代码

git reset --hard

git clean -df

# 拉取远端所有分支最新代码

git fetch origin

# 如果是删除分支操作，则切到master分支并删除该分支，要求不能删除远端master分支

if [ ! -f "/opt/webapps/project-bare.git/refs/heads/${TARGET_BRANCH}" ]

then

    echo "target branch ${TARGET_BRANCH} has been deleted"

    # 如果是当前分支，需要切换到master分支

    if [ "${TARGET_BRANCH}" = "${CURR_BRANCH}" ]

    then

        git checkout master

    fi

    # 删除本地同名分支

    git branch -D "${TARGET_BRANCH}"

else

    if [ "${TARGET_BRANCH}" = "${CURR_BRANCH}" ]

    then

        echo "same branch! rebase origin/${TARGET_BRANCH}."

        git rebase origin/"${TARGET_BRANCH}"

    else

        echo "different branch! checkout to ${TARGET_BRANCH}."

        git branch -D "${TARGET_BRANCH}"

        git checkout -b "${TARGET_BRANCH}" origin/"${TARGET_BRANCH}"

    fi

fi

echo "pull done"

# 业务服务启动逻辑

npm install

rm -rf dist

npm run build

pm2 restart project

echo "deployment done"