index.html

{

if [ -n "$ZSH_VERSION" ]; then
___x_cmd_inner_cd(){
    builtin cd "$@" || return;
};

else

___x_cmd_inner_cd(){
    command cd "$@" || return;
};

fi;

___x_cmd_get_log(){
    printf "[%s] %s\n" "$(command date +"%Y-%m-%d/%H:%M:%S")" "$1" | command tee -a "$___X_CMD_ROOT/setup.log" >&2 ;
};

___x_cmd_get_download(){
    local tmptgt="$1";
    
    local url="https://raw.githubusercontent.com/x-cmd/release/main";
    case "$___X_CMD_VERSION" in
        latest|alpha|beta)  url="$url/dist/${___X_CMD_VERSION}.tgz"         ;;
        v*)                 url="$url/dist/${___X_CMD_VERSION}/full.tgz"    ;;
        *)                  url="$url/sum/${___X_CMD_VERSION}.tgz"          ;;
    esac;
    
    local target="$tmptgt/download_tmp.tgz";
    [ ! -d "${tmptgt}" ] || {
        ___x_cmd_get_log "Folder already existed ==> There must be other process is installing x-cmd ==> $tmptgt";
        return 1;
    };

    (
        command mkdir -p "${tmptgt}"; ___x_cmd_inner_cd "${tmptgt}";

        ___x_cmd_get_log "Download script archieve from $url";
        if command -v curl >/dev/null; then
            command curl --fail "$url" >"$target" 2>/dev/null;
        else
            command wget -O "$target" "$url" 2>/dev/null;
        fi || {
            command rm -rf "$tmptgt";
            ___x_cmd_get_log "Fail to download from: $url";
            exit 1;
        };

        ___x_cmd_get_log "Download SUCCESS: $target ( size: $(command wc -c "$target" 2>/dev/null | command awk '{print ((int($1) + 1023 ) / 1024); }') KB )";
        command tar vxf "$target" 2>>"$tmptgt/setup.log" 1>&2;
        command rm -f "$target";
        ___x_cmd_get_log "Deflation SUCCESS: $target";
    );
};

___x_cmd_get_populate(){
    local tmptgt="$1";  local sumfp="$tmptgt/.x-cmd/metadata/version_sum";
    [ ! -r "$sumfp" ] || . "$sumfp";
    [ -n "$___X_CMD_VERSION_SUM" ] || {
        ___x_cmd_get_log "Fail to get version sum from: $sumfp";
        return 1;
    };

    ___X_CMD_VERSION_SUM8="${___X_CMD_VERSION_SUM%"${___X_CMD_VERSION_SUM#????????}"}";
    local sum8dir="$___X_CMD_ROOT/v/.$___X_CMD_VERSION_SUM8";
    [ ! -e "$sum8dir" ] || {
        ___x_cmd_get_log "Folder already existed ==> $sum8dir";
        command rm -rf "${tmptgt}";
        return 0; 
    };

    command rm -rf "$sum8dir";
    command mv "${tmptgt}" "$sum8dir";
};

___x_cmd_get_link(){
    local vpath="$___X_CMD_ROOT/v/$___X_CMD_VERSION";
    case "$___X_CMD_VERSION" in
        latest|alpha|beta|v*)
            command rm -rf "$vpath";
            command mkdir -p "$vpath";
            (
                printf "___X_CMD_VERSION0=%s\n"             "${___X_CMD_VERSION}";
                printf "___X_CMD_VERSION=%s\n"              ".${___X_CMD_VERSION_SUM8}";
                printf ". \"\$___X_CMD_ROOT/v/%s/X\"\n"     ".${___X_CMD_VERSION_SUM8}";
            ) >"$vpath/X";
            ;;
        *)
            [ "$___X_CMD_VERSION" = "$___X_CMD_VERSION_SUM" ] || {
                ___x_cmd_get_log "Exit for unknown situation when ___X_CMD_VERSION is $___X_CMD_VERSION";
                return 1;
            };
            ___X_CMD_VERSION=".${___X_CMD_VERSION_SUM8}";
            ;;
    esac;
};

___x_cmd_get_bootinit()(
    ___X_CMD_ROOT_V_VERSION_TRICK_0_1="$___X_CMD_ROOT/v/${___X_CMD_VERSION_SUM}";
    ___X_CMD_ROOT_CODE=;
    ___X_CMD_ROOT_MOD=;
    ___X_CMD_XRC_RELOAD=1;
    ___X_CMD_ADVISE_DISABLE=1;
    . "$___X_CMD_ROOT/v/$___X_CMD_VERSION/X";

    ___X_CMD_ROOT_V_VERSION="$___X_CMD_ROOT_V_VERSION_TRICK_0_1";
    [ -z "$___X_CMD_VERSION0" ] || ___X_CMD_VERSION="$___X_CMD_VERSION0";
    x boot init "$___X_CMD_ROOT" "$___X_CMD_VERSION";
);

___x_cmd_get_start(){
    if [ -n "$___X_CMD_XBINEXP_EXIT" ]; then
        ___x_cmd_get_log "This installation/upgrade is performed by an external call, so the interactive shell for the new version will not automatically open.";
    elif [ -z "$___X_CMD_ROOT_MOD" ]; then
        ___X_CMD_ROOT_CODE=;
        . "$___X_CMD_ROOT/v/$___X_CMD_VERSION/X";
    elif [ "${-#*i}" != "$-" ]; then
        ___x_cmd_get_log "x-cmd detected in current shell env. Opening a new shell to avoid collision.";
        ___X_CMD_ROOT_MOD= ___X_CMD_ROOT_CODE= ___X_CMD_VERSION="$___X_CMD_VERSION" "${SHELL:-/bin/sh}";
    fi;
};

___x_cmd_get_main(){
    local ___X_CMD_ROOT="$HOME/.x-cmd.root";
    local ___X_CMD_VERSION="${___X_CMD_TOINSTALL_VERSION:-latest}";
    local ___X_CMD_VERSION_SUM8=;
    local ___X_CMD_CURRENTTIME="$(command date +"%Y-%m-%d_%H-%M-%S")";
    command mkdir -p "$___X_CMD_ROOT";

    ___x_cmd_get_log "------------------ $___X_CMD_CURRENTTIME";
    local tmptgt="$___X_CMD_ROOT/v/${___X_CMD_VERSION}.$$.$___X_CMD_CURRENTTIME";

    ___x_cmd_get_download "$tmptgt" || return;
    ___x_cmd_get_populate "$tmptgt" || return;
    ___x_cmd_get_link               || return;
    ___x_cmd_get_bootinit           || return;
    ___x_cmd_get_start              || return;
};

___x_cmd_get_main;
}