common-envsetup

#!/hint/bash

_wild_yocto_functions=()

_wild_yocto_unset_functions() {
    unset -f "${_wild_yocto_functions[@]}"
}
_wild_yocto_functions+=(_wild_yocto_unset_functions)

_wild_yocto_apply_patches() {
    if ( ! git -C openembedded-core symbolic-ref HEAD &>/dev/null ) && \
            [[ -x meta-wild-common/yocto-patches/apply-patches.sh ]]; then
        echo -ne "\nopenembedded-core is in a detached HEAD. Apply patches from meta-wild-common? (Y/n) "
        local _apply_patch_answer
        read _apply_patch_answer
        if [[ -z $_apply_patch_answer ]] || [[ $_apply_patch_answer == [yY]* ]]; then
            meta-wild-common/yocto-patches/apply-patches.sh
        fi
    fi
}
_wild_yocto_functions+=(_wild_yocto_apply_patches)

_wild_yocto_symlink_cache_dir() {
    local _name="$1"
    if [[ -e ./$_name ]]; then
        if [[ ! -d ./$_name ]]; then
            echo "WARNING: ./$_name exists but is not a directory!" >&2
        fi
        return 0
    fi
    local _dir
    if [[ -d "$XDG_CACHE_HOME" ]]; then
        _dir="$XDG_CACHE_HOME"
    else
        _dir="$HOME/.cache"
    fi
    _dir="$_dir/yocto/$_name"
    if [[ -d "$_dir" ]]; then
        ln -sv "$_dir" "$_name"
    else
        echo "WARNING: $_dir doesn't exist" >&2
    fi
}
_wild_yocto_functions+=(_wild_yocto_symlink_cache_dir)

_wild_yocto_subst_confvars() {
    # use: subst_confvars file1 file2 -- VAR1 VAR2 ...
    local _files _var _val _sed_args
    _files=()
    while (( $# )); do
        if [[ "$1" == "--" ]]; then
            break
        fi
        _files+=("$1")
        shift
    done
    shift

    _sed_args=()
    for _var in "$@"; do
        eval _val="\$$_var"
        _sed_args+=(-e "s,##$_var##,$_val,g")
    done
    sed -i "${_sed_args[@]}" "${_files[@]}"
}
_wild_yocto_functions+=(_wild_yocto_subst_confvars)