How to check if a git branch exists in the local/remote repository?

check_git_branch_exists.sh

# Local:
# https://stackoverflow.com/questions/21151178/shell-script-to-check-if-specified-git-branch-exists
# test if the branch is in the local repository.
# return 1 if the branch exists in the local, or 0 if not.
function is_in_local() {
    local branch=${1}
    local existed_in_local=$(git branch --list ${branch})

    if [[ -z ${existed_in_local} ]]; then
        echo 0
    else
        echo 1
    fi
}

# Remote:
# Ref: https://stackoverflow.com/questions/8223906/how-to-check-if-remote-branch-exists-on-a-given-remote-repository
# test if the branch is in the remote repository.
# return 1 if its remote branch exists, or 0 if not.
function is_in_remote() {
    local branch=${1}
    local existed_in_remote=$(git ls-remote --heads origin ${branch})

    if [[ -z ${existed_in_remote} ]]; then
        echo 0
    else
        echo 1
    fi
}

Thank you :) Here is my version

# Local:
_branch_name="edge"
_check_branch=$(git branch --list ${_check_branch})
# do check Condition_Vars_Must_Be_Not_Empty
if [[ -z ${_check_branch} ]]; then
    echo "local: branch do not exist" > /dev/null 2>&1
else
    echo "local: Good lets continue" > /dev/null 2>&1
fi

# Remote:
_check_branch=$(git ls-remote --heads origin ${_check_branch})
# do check Condition_Vars_Must_Be_Not_Empty
if [[ -z ${_check_branch} ]]; then
    echo "remote: branch do not exist" > /dev/null 2>&1
else
    echo "remote: Good lets continue" > /dev/null 2>&1
fi

# https://twitter.com/askpascalandy