git scan released branches

.git_scripts_check_branchs.sh

#!/bin/zsh

specialBranches=("master" "uat" "test" "release")

echo "\u001b[31mScanning released local branches...\n--------------------------------------------------------\u001b[0m"
releasedLocalBranches=()
for branch in $(git branch)
do
    git show-ref -s --heads $branch | xargs git branch --contains | grep master > /dev/null
    if [[ $? -eq 0 && ! " ${specialBranches[@]} " =~ " ${branch} " ]]; then
        echo $branch
        releasedLocalBranches+=($branch)
    fi
done

echo "Need to delete these branches? [Y/N]: "
read choice

if [ "$choice" = "Y" ]; then
    currentBranch=$(git branch --show-current)
    if [ ! $currentBranch = "master" ]; then
        echo "\u001b[31mERR: To delete local branches, you should checkout to master branch firstly, instead of $currentBranch!\u001b[0m"
        exit 255
    fi
    echo "\u001b[31mATTENTION: Deleting local branches...\n--------------------------------------------------------\u001b[0m"
    for branch in "${releasedLocalBranches[@]}"
    do
        git branch -d $branch
    done
fi

# Delete remote branches
echo "Need to scan remote branches? [Y/N]: "
read choice
if [ "$choice" != "Y" ]; then
    echo "Goodbye~"
    exit 0
fi

echo "\u001b[31mScanning released remote branches...\n--------------------------------------------------------\u001b[0m"
releasedRemoteBranches=()
for ref refName in $(git ls-remote --heads)
do
    refName="$(echo $refName | sed 's/refs\/heads\///g')"
    git branch -r --contains $ref | grep master > /dev/null
    if [[ $? -eq 0 && ! " ${specialBranches[@]} " =~ " ${branch} " ]]; then
        echo $refName
        releasedRemoteBranches+=($refName)
    fi
done

# Delete remote branches
echo "Need to delete these remote branches? [Y/N]: "
read choice

if [ "$choice" = "Y" ]; then
    for branch in "${releasedRemoteBranches[@]}"
    do
        echo "git push origin :$branch"
        # git push origin ":$branch"
    done
fi

echo "\u001b[31mGoodBye~\u001b[0m"