# put all utility functions here

# make a temporary file
git_extra_mktemp() {
    mktemp -t "$(basename "$0")".XXXXXXX
}

git_extra_default_branch() {
    local extras_default_branch init_default_branch
    extras_default_branch=$(git config --get git-extras.default-branch)
    init_default_branch=$(git config --get init.defaultBranch)
    if [ -n "$extras_default_branch" ]; then
        echo "$extras_default_branch"
    elif [ -n "$init_default_branch" ]; then
        echo "$init_default_branch"
    elif git show-ref --verify --quiet refs/heads/main; then
        echo "main"
    elif git show-ref --verify --quiet refs/heads/master; then
        echo "master"
    elif git show-ref --verify --quiet refs/heads/trunk; then
        echo "trunk"
    elif git show-ref --verify --quiet refs/heads/svn; then
        echo "svn"
    else
        echo "main"
    fi
}