fzf-fs-init

#!/usr/bin/env bash

# fzf-fs-init
# part of fzf-fs
# Copyright (C) 2015 D630, The MIT License (MIT)
# <https://github.com/D630/fzf-fs>

# -- DEBUGGING.

#printf '%s (%s)\n' "$BASH_VERSION" "${BASH_VERSINFO[5]}" && exit 0
#set -o errexit
#set -o errtrace
#set -o noexec
#set -o nounset
#set -o pipefail
#set -o verbose
#set -o xtrace
#trap '(read -p "[$BASH_SOURCE:$LINENO] $BASH_COMMAND?")' DEBUG
#exec 2>> ~/fzf-fs.log
#typeset vars_base=$(set -o posix ; set)
#fgrep -v -e "$vars_base" < <(set -o posix ; set) | \
#egrep -v -e "^BASH_REMATCH=" \
#         -e "^OPTIND=" \
#         -e "^REPLY=" \
#         -e "^BASH_LINENO=" \
#         -e "^BASH_SOURCE=" \
#         -e "^FUNCNAME=" | \
#less

# -- FUNCTIONS.

__fzffs_init ()
{
    builtin typeset FZF_FS_CONFIG_DIR="${FZF_FS_CONFIG_DIR:-${XDG_CONFIG_HOME:-${HOME}/.config}/fzf-fs.d}";

    __fzffs_util_echoE "${source}:Info: FZF_FS_CONFIG_DIR is ${FZF_FS_CONFIG_DIR}" 1>&2;
    if [[ -e "$FZF_FS_CONFIG_DIR" ]]; then
        __fzffs_util_echoE "${source}:Error:80: Directory existing: '${FZF_FS_CONFIG_DIR}'" 1>&2;
        builtin return 80;
    else
        command mkdir -p -m 755 "${FZF_FS_CONFIG_DIR}"/{console/set,env};
        __fzffs_util_echoE "${source}:Info: Initializing empty fzf-fs config directory in ${FZF_FS_CONFIG_DIR}" 1>&2;
    fi;

    builtin unset -v FZF_FS_LS_COMMAND FZF_FS_LS_COMMAND_COLOR FZF_FS_OS;
    builtin typeset FZF_FS_LS_COMMAND= FZF_FS_LS_COMMAND_COLOR= FZF_FS_OS=;
    case "$(command uname -s)" in
        DragonFly|FreeBSD)
            FZF_FS_OS=FreeBSD;
            FZF_FS_LS_COMMAND="command ls -G -q";
            FZF_FS_LS_COMMAND_COLOR="CLICOLOR_FORCE=1 command ls -G -q"
        ;;
        OpenBSD)
            FZF_FS_OS=OpenBSD;
            if command -v colorls > /dev/null; then
                FZF_FS_LS_COMMAND="command colorls -G -q";
                FZF_FS_LS_COMMAND_COLOR="CLICOLOR_FORCE=1 command colorls -G -q";
            else
                if command -v gls > /dev/null; then
                    FZF_FS_LS_COMMAND="command gls --color=auto -q";
                    FZF_FS_LS_COMMAND_COLOR="command gls --color=always -q";
                else
                    FZF_FS_LS_COMMAND="command ls";
                    FZF_FS_LS_COMMAND_COLOR="command ls";
                fi;
            fi
        ;;
        Darwin)
            FZF_FS_OS=Darwin;
            FZF_FS_LS_COMMAND="command ls -G -q";
            FZF_FS_LS_COMMAND_COLOR="CLICOLOR_FORCE=1 command ls -G -q"
        ;;
        SunOS)
            FZF_FS_OS=SunOS;
            FZF_FS_LS_COMMAND="command ls --color=auto -q";
            FZF_FS_LS_COMMAND_COLOR="command ls --color=always -q"
        ;;
        *)
            FZF_FS_OS=Linux;
            FZF_FS_LS_COMMAND="command ls --color=auto -q";
            FZF_FS_LS_COMMAND_COLOR="command ls --color=always -q"
        ;;
    esac;

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/console_shortcuts.default" 1>&2;
    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/console_shortcuts.user" 1>&2;
    builtin unset -v f v s;
    builtin typeset f= v= s=;
    while IFS='|' builtin read -r f v s; do
        __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}${f}" 1>&2;
        __fzffs_util_echoE "$v" > "${FZF_FS_CONFIG_DIR}${f}";
        __fzffs_util_echoE "[${s:- }] ${f#*/*/}" >> "${FZF_FS_CONFIG_DIR}/env/console_shortcuts.default";
        __fzffs_util_echoE "[${s:- }] ${f#*/*/}" >> "${FZF_FS_CONFIG_DIR}/env/console_shortcuts.user";
        f=;
        v=;
        s=;
    done  <<-'SETTINGS'
/console/set/clicolor_force_false|console="FZF_FS_LS_CLICOLOR=0"
/console/set/clicolor_force_toggle|console="FZF_FS_LS_CLICOLOR=$((FZF_FS_LS_CLICOLOR ? 0 : 1))"
/console/set/clicolor_force_true|console="FZF_FS_LS_CLICOLOR=1"
/console/set/deference_commandline|console="FZF_FS_LS_SYMLINK=H"
/console/set/deference|console="FZF_FS_LS_SYMLINK=L"
/console/set/lc_collate_c|console="LC_COLLATE=C"
/console/set/lc_collate_lang|console="LC_COLLATE=$LANG"
/console/set/opener_console_default|console="FZF_FS_OPENER_CONSOLE=$FZF_FS_OPENER_CONSOLE_DEFAULT"|d
/console/set/opener_console_editor|console="FZF_FS_OPENER_CONSOLE=$EDITOR"|e
/console/set/opener_console_pager|console="FZF_FS_OPENER_CONSOLE=$PAGER"|p
/console/set/opener_default|console="FZF_FS_OPENER=$FZF_FS_OPENER_DEFAULT"|d
/console/set/opener_editor|console="FZF_FS_OPENER=$EDITOR"|e
/console/set/opener_interactive|console="FZF_FS_OPENER=$(command fzf --prompt="FZF_FS_OPENER " --print-query <<< "")"|oi
/console/set/opener_pager|console="FZF_FS_OPENER=$PAGER"|p
/console/set/os_interactive|console="FZF_FS_OS=$(command fzf --prompt="uname -s => " --print-query <<< "")"
/console/set/show_atime|console="FZF_FS_LS_OPTS=u"
/console/set/show_ctime|console="FZF_FS_LS_OPTS=c"
/console/set/show_hidden_false|console="FZF_FS_LS_HIDDEN=0"
/console/set/show_hidden_toggle|console="FZF_FS_LS_HIDDEN=$((FZF_FS_LS_HIDDEN ? 0 : 1))"
/console/set/show_hidden_true|console="FZF_FS_LS_HIDDEN=1"
/console/set/show_mtime|console="FZF_FS_LS_OPTS="|om
/console/set/sort_atime|console="FZF_FS_LS_OPTS=ut"|oa
/console/set/sort_basename|console="FZF_FS_LS_OPTS="|ob
/console/set/sort_ctime|console="FZF_FS_LS_OPTS=ct"|oc
/console/set/sort_interactive|console="FZF_FS_SORT=$(command fzf --prompt="sort " --print-query <<< "")"|si
/console/set/sort_mtime|console=FZF_FS_LS_OPTS="t"
/console/set/sort_reverse_false|console="FZF_FS_LS_REVERSE=0"
/console/set/sort_reverse_toggle|console="FZF_FS_LS_REVERSE=$((FZF_FS_LS_REVERSE ? 0 : 1))"|or
/console/set/sort_reverse_true|console="FZF_FS_LS_REVERSE=1"
/console/set/sort_size|console="FZF_FS_SORT=k6,6n"|os
/console/set/sort_type|console="FZF_FS_SORT=k2"|ot
SETTINGS

    __fzffs_util_echoE "[q] quit" >> "${FZF_FS_CONFIG_DIR}/env/console_shortcuts.default";
    __fzffs_util_echoE "[q] quit" >> "${FZF_FS_CONFIG_DIR}/env/console_shortcuts.user";

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/env.default" 1>&2;
    builtin unset -v env;
    {
        builtin typeset env="$(</dev/fd/0)"
    }  <<-'ENV'
builtin typeset EDITOR="${EDITOR:-nano}"
builtin typeset FZF_FS_CONFIG_DIR="$FZF_FS_CONFIG_DIR"
builtin typeset FZF_FS_DEFAULT_OPTS="${FZF_FS_DEFAULT_OPTS:--x -i}"
builtin typeset FZF_FS_LS_OPTS="${FZF_FS_LS_OPTS:+${FZF_FS_LS_OPTS}}"
builtin typeset FZF_FS_SORT="${FZF_FS_SORT:+${FZF_FS_SORT}}"
builtin typeset FZF_FS_LS_SYMLINK="$FZF_FS_LS_SYMLINK"
builtin typeset PAGER="${PAGER:-less -R}"
builtin typeset TERMINAL="${TERMINAL:-xterm}"
builtin typeset -i FZF_FS_LS_CLICOLOR="${FZF_FS_LS_CLICOLOR:-1}"
builtin typeset -i FZF_FS_LS_HIDDEN="${FZF_FS_LS_HIDDEN:-1}"
builtin typeset -i FZF_FS_LS_REVERSE="${FZF_FS_LS_REVERSE:-1}"
builtin typeset -x FZF_DEFAULT_COMMAND_OLD="${FZF_DEFAULT_COMMAND:+${FZF_DEFAULT_COMMAND}}"
builtin typeset -x FZF_FS_DEFAULT_OPTS_OLD="${FZF_DEFAULT_OPTS:+${FZF_DEFAULT_OPTS}}"
builtin typeset -x LC_COLLATE_OLD="$LC_COLLATE"
builtin typeset FZF_FS_OPENER_CONSOLE="$FZF_FS_OPENER_CONSOLE"
builtin typeset FZF_FS_OPENER_CONSOLE_DEFAULT="$FZF_FS_OPENER_CONSOLE"
builtin typeset FZF_FS_OPENER="${FZF_FS_OPENER:-${PAGER}}"
builtin typeset FZF_FS_OPENER_DEFAULT="$FZF_FS_OPENER"
builtin typeset -x FZF_DEFAULT_COMMAND="command echo uups"
builtin typeset -x FZF_DEFAULT_OPTS=
builtin typeset -x LC_COLLATE=C
ENV

    {
        __fzffs_util_echoE "$env";
        __fzffs_util_echoE "builtin typeset FZF_FS_OS=\"\${FZF_FS_OS:-${FZF_FS_OS}}\"";
        __fzffs_util_echoE "builtin typeset FZF_FS_LS_COMMAND=\"\${FZF_FS_LS_COMMAND:-${FZF_FS_LS_COMMAND}}\"";
        __fzffs_util_echoE "builtin typeset FZF_FS_LS_COMMAND_COLOR=\"\${FZF_FS_LS_COMMAND_COLOR:-${FZF_FS_LS_COMMAND_COLOR}}\""
    } > "${FZF_FS_CONFIG_DIR}/env/env.default";

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/env.user" 1>&2;
    __fzffs_util_echon "builtin . \"\${FZF_FS_CONFIG_DIR}/env/env.default\"" > "${FZF_FS_CONFIG_DIR}/env/env.user";

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/macros.default" 1>&2;
    builtin unset -v macros;
    {
        builtin typeset macros="$(</dev/fd/0)"
    }  <<-'MACROS'
console_args="${console_args//[%][b]/${FZF_FS_CONFIG_DIR}/env/browser_shortcuts.user}"
console_args="${console_args//[%][c]/${FZF_FS_CONFIG_DIR}/env/console_shortcuts.user}"
console_args="${console_args//[%][d]/$browser_pwd}"
console_args="${console_args//[%][e]/${FZF_FS_CONFIG_DIR}/env/env.user}"
console_args="${console_args//[%][f]/${FZF_FS_CONFIG_DIR}/env/flags.user}"
console_args="${console_args//[%][m]/${FZF_FS_CONFIG_DIR}/env/macros.user}"
console_args="${console_args//[%][s]/$browser_file}"
MACROS

    __fzffs_util_echoE "$macros" >> "${FZF_FS_CONFIG_DIR}/env/macros.default";

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/macros.user" 1>&2;
    __fzffs_util_echon "builtin . \"\${FZF_FS_CONFIG_DIR}/env/macros.default\"" > "${FZF_FS_CONFIG_DIR}/env/macros.user";

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/flags.default" 1>&2;
    builtin unset -v flags_default;
    {
        builtin typeset flags_default="$(</dev/fd/0)"
    }  <<-'FLAGS'
flags_func ()
{
    case "$REPLY" in
        "f")
            console_fork_background=console_fork_background
        ;;
        "k")
            console_keep=console_keep
        ;;
        "t")
            console_terminal=console_terminal
        ;;
        *)
            builtin :
        ;;
    esac
}
FLAGS

    __fzffs_util_echoE "$flags_default" > "${FZF_FS_CONFIG_DIR}/env/flags.default";

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/flags.user" 1>&2;
    __fzffs_util_echon "builtin . \"\${FZF_FS_CONFIG_DIR}/env/flags.default\"" > "${FZF_FS_CONFIG_DIR}/env/flags.user";

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/browser_shortcuts.default" 1>&2;
    builtin unset -v browser_shortcuts;
    {
        builtin typeset browser_shortcuts="$(</dev/fd/0)"
    }  <<-'BROWSER_SHORTCUTS'
_ [!] console/shell
_ [/] console/cd $browser_root
_ [:] console
_ [q] quit
_ [~] console/cd $HOME
_ [-] console/cd $OLDPWD
BROWSER_SHORTCUTS

    __fzffs_util_echoE "$browser_shortcuts" > "${FZF_FS_CONFIG_DIR}/env/browser_shortcuts.default";

    __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}/env/browser_shortcuts.user" 1>&2;
    __fzffs_util_echoE "$browser_shortcuts" > "${FZF_FS_CONFIG_DIR}/env/browser_shortcuts.user";

    function __fzffs_console_edit ()
    {
        builtin unset -v console_args console_prompt;
        builtin typeset console_args="$*" console_prompt="${console_file##*/}";
        [[ -n "$console_args" || "$console_interactive" -eq 0 ]] || {
            if [[ -n "$KSH_VERSION" ]]; then
                console_args="$(command fzf --prompt=":${console_prompt} " --print-query <<< "")";
            else
                command tput sc;
                command tput cup 99999 0;
                if [[ -n "$ZSH_VERSION" ]]; then
                    builtin vared -p ":${console_prompt} " console_args;
                else
                    builtin read -re -p ":${console_prompt} " console_args;
                fi;
                command tput rc;
                command tput ed;
            fi
        };
        builtin set -- ${console_args};
        (($# > 0)) && {
            __fzffs_util_parse_flags "$*" && builtin shift 1;
            __fzffs_util_parse_macros "$*"
        };
        builtin eval ${EDITOR} "$console_args"
    };

    function __fzffs_util_rename_function ()
    {
        builtin test -n "$(builtin typeset -f "${1:-1}")" || builtin return 1;
        builtin eval "${_/${1}/${2:-1}}" && builtin unset -f "$1"
    };

    {
        builtin typeset code_shell="$(</dev/fd/0)"
    }  <<'CODE'
    if [[ "$console_terminal" == "console_terminal" ]]; then
        if [[ "$console_fork_background" == "console_fork_background" ]]; then
            ( builtin eval ${TERMINAL} -e "${console_args}\;${console_keep:+${SHELL:-sh}}" \& );
        else
            builtin eval ${TERMINAL} -e "${console_args}\;${console_keep:+${SHELL:-sh}}";
        fi;
    else
        if [[ "$console_fork_background" == "console_fork_background" ]]; then
            ( builtin eval ${SHELL:-sh} "${console_args:+-c $console_args}" \& );
        else
            builtin eval ${SHELL:-sh} "${console_args:+-c $console_args}" ${console_keep:+\; command printf '%s\\n' \'Press ENTER to continue\' ; builtin read};
        fi;
    fi
CODE

    function __fzffs_console_terminal ()
    {
        ( command ${SHELL:-sh} -c ${TERMINAL} & )
    };

    f=;
    v=;
    s=;
    while IFS='|' builtin read -r f v s; do
        __fzffs_util_echoE "Creating ${FZF_FS_CONFIG_DIR}${f}" 1>&2;
        __fzffs_util_echoE "#!/usr/bin/env bash" > "${FZF_FS_CONFIG_DIR}${f}";
        __fzffs_util_rename_function "$v" console_func;
        if [[ "$v" == *"open_with" ]]; then
            builtin typeset -f console_func | command sed 's/builtin eval ${EDITOR} "$console_args"/builtin eval "$(__fzffs_util_echon builtin eval "$console_args")"/' >> "${FZF_FS_CONFIG_DIR}${f}";
        else
            if [[ $v == *page ]]; then
                builtin typeset -f console_func | command sed 's/EDITOR/PAGER/' >> "${FZF_FS_CONFIG_DIR}${f}";
            else
                if [[ "$v" == *"cd" ]]; then
                    builtin typeset -f console_func | command sed 's/builtin eval ${EDITOR} "$console_args"/browser_pwd="$(builtin eval __fzffs_util_echon "$console_args")"/' >> "${FZF_FS_CONFIG_DIR}${f}";
                else
                    if [[ "$v" == *"shell" ]]; then
                        builtin typeset -f console_func | command sed -e 's/    builtin eval ${EDITOR} "$console_args"//' -e 's/^}//' -e '/^$/d' >> "${FZF_FS_CONFIG_DIR}${f}";
                        __fzffs_util_echoE "$code_shell" >> "${FZF_FS_CONFIG_DIR}${f}";
                        __fzffs_util_echo "}" >> "${FZF_FS_CONFIG_DIR}${f}";
                    else
                        builtin typeset -f console_func >> "${FZF_FS_CONFIG_DIR}${f}";
                    fi;
                fi;
            fi;
        fi;
        __fzffs_util_echoE "[${s:- }] ${f#*/*/}" >> "${FZF_FS_CONFIG_DIR}/env/console_shortcuts.default";
        __fzffs_util_echoE "[${s:- }] ${f#*/*/}" >> "${FZF_FS_CONFIG_DIR}/env/console_shortcuts.user";
    done  <<-COMMANDS
/console/edit|__fzffs_console_edit|e
/console/cd|__fzffs_console_cd|cd
/console/open_with|__fzffs_console_open_with|o
/console/page|__fzffs_console_page|p
/console/shell|__fzffs_console_shell|s
/console/terminal|__fzffs_console_terminal|t
COMMANDS

    builtin unset -f __fzffs_console_edit __fzffs_console_shell __fzffs_console_terminal __fzffs_util_rename_function;

    __fzffs_util_echoE "${source}:Info: Initialized empty fzf-fs config directory in ${FZF_FS_CONFIG_DIR}" 1>&2;

    builtin return 0
}

# -- MAIN.

__fzffs_init