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📄 INDEX(2.67 KB)
📄 Makefile(208 B)
📄 Makefile.depend(176 B)
📄 USAGE(1.83 KB)
📁 include
📄 misc(10.93 KB)
📄 rcadd(4.36 KB)
📄 rcconf(7.64 KB)
📄 rcdelete(11.41 KB)
📄 rcedit(2.51 KB)
📄 rcvar(6.04 KB)
📁 share
📄 startup(4.27 KB)

Editing: rcdelete

#!/bin/sh
#-
# Copyright (c) 2012-2013 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
############################################################ INCLUDES

BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." "$0"
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/mustberoot.subr
f_include $BSDCFG_SHARE/sysrc.subr
f_include $BSDCFG_SHARE/startup/rcconf.subr

BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="140.startup"
f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr

f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" ipgm &&
	pgm="${ipgm:-$pgm}"

############################################################ GLOBALS

#
# Global map/menu-list for the main menu
#
RCCONF_MAP=
RCCONF_MENU_LIST=

#
# Options
#
# Inherit SHOW_DESC value if set, otherwise default to 1
[ "${SHOW_DESC+set}" ] || SHOW_DESC=1
# Selectively inherit SHOW_* value (in order of preference)
if [ "$SHOW_DEFAULT_VALUE" ]; then
	SHOW_DEFAULT_VALUE=1
	SHOW_CONFIGURED=
	SHOW_VALUE=
elif [ "$SHOW_CONFIGURED" ]; then
	SHOW_DEFAULT_VALUE=
	SHOW_CONFIGURED=1
	SHOW_VALUE=
else
	SHOW_DEFAULT_VALUE=
	SHOW_CONFIGURED=
	SHOW_VALUE=1
fi

############################################################ FUNCTIONS

# dialog_create_main
#
# Create the dialog(1) main menu. Separated from dialog_menu_main (used to
# display the menu) to speed up execution (we only call this function when
# initializing or changing the view details).
#
dialog_create_main()
{
	# Show infobox for modes that take a while to calculate/display
	[ "$SHOW_DEFAULT_VALUE" -o "$SHOW_CONFIGURED" ] &&
		f_dialog_info "$msg_creating_menu_list"

RCCONF_MENU_LIST=$(
		. "$RC_DEFAULTS" > /dev/null
		source_rc_confs > /dev/null
		var_list=$( f_startup_rcconf_list )
		for var in $var_list; do
			eval export $var
			[ "$SHOW_DEFAULT_VALUE" ] && export \
				_${var}_default="$( f_sysrc_get_default $var )"
			[ "$SHOW_CONFIGURED" ] && export \
				_${var}_file="$( f_sysrc_find $var )"
		done
		export SHOW_VALUE SHOW_DESC SHOW_DEFAULT_VALUE SHOW_CONFIGURED
		export msg_default_value
		echo "$var_list" | awk '
		BEGIN {
			prefix = ""
		}
		{
			cur_prefix = tolower(substr($1, 1, 1))
			printf "'\''"
			if ( prefix != cur_prefix )
				prefix = cur_prefix
			else
				printf " "
			var = $1
			printf "%s'\'' '\''[", var
			if ( ENVIRON["_" var "_delete"] )
				printf "X"
			else
				printf " "
			printf "] "
			if ( ENVIRON["SHOW_DEFAULT_VALUE"] ) {
				default = ENVIRON["_" var "_default"]
				gsub(/'\''/, "'\''\\'\'\''", default)
				value = ENVIRON[var]
				gsub(/'\''/, "'\''\\'\'\''", value)
				printf ENVIRON["msg_default_value"] "; %s",
				       default, value
			} else if ( ENVIRON["SHOW_CONFIGURED"] ) {
				printf "%s", ENVIRON["_" var "_file"]
			} else { # SHOW_VALUE (default behavior)
				value = ENVIRON[var]
				gsub(/'\''/, "'\''\\'\'\''", value)
				printf "%s", value
			}
			printf "'\''"
			if ( ENVIRON["SHOW_DESC"] ) {
				desc = ENVIRON["_" var "_desc"]
				gsub(/'\''/, "'\''\\'\'\''", desc)
				printf " '\''%s'\''", desc
			}
			printf "\n"
		}'
	)
}

# dialog_menu_main
#
# Display the dialog(1)-based application main menu.
#
dialog_menu_main()
{
	local prompt=
	local menu_list="
		'X $msg_exit_cancel'     '$msg_exit_cancel_desc'
		            ${SHOW_DESC:+'$msg_exit_cancel_help'}
		'> $msg_delete_selected' '$msg_delete_selected_desc'
		            ${SHOW_DESC:+'$msg_delete_selected_help'}
		'> $msg_all'             '$msg_all_desc'
		            ${SHOW_DESC:+'$msg_all_help'}
		'> $msg_none'            '$msg_none_desc'
		            ${SHOW_DESC:+'$msg_none_help'}
	${USE_XDIALOG:+
		'> $msg_view_details'    '$msg_view_details_desc'
		            ${SHOW_DESC:+'$msg_view_details_help'}
	}
	" # END-QUOTE
	local defaultitem= # Calculated below
	local hline="$hline_arrows_tab_enter"

#
	# [Re-]Accent the menu list before incorporating it
	#
	local rcconf_var details help menu_buf delete
	eval set -- $RCCONF_MENU_LIST
	while [ $# -gt 0 ]; do
		rcconf_var="$1" details="$2" delete=
		f_shell_escape "$details" details
		if [ "$SHOW_DESC" ]; then
			help="$3"
			f_shell_escape "$help" help
			shift 3 # rcconf_var/details/help
		else
			shift 2 # rcconf_var/details
		fi

# Update mark
		f_getvar _${rcconf_var# }_delete delete
		if [ "$delete" ]; then
			details="[X]${details#???}"
		else
			details="[ ]${details#???}"
		fi

# Update buffer with modified elements
		menu_buf="$menu_buf
		'$rcconf_var' '$details' ${SHOW_DESC:+'$help'}" # End-Quote
	done
	menu_list="$menu_list $menu_buf"

set -f # set noglob because descriptions in the $menu_list may contain
	       # `*' and get expanded by dialog(1) (doesn't affect Xdialog(1)).
	       # This prevents dialog(1) from expanding wildcards in help line.

local height width rows
	eval f_dialog_menu${SHOW_DESC:+_with_help}_size \
		height width rows      \
		\"\$DIALOG_TITLE\"     \
		\"\$DIALOG_BACKTITLE\" \
		\"\$prompt\"           \
		\"\$hline\"            \
		$menu_list

# Obtain default-item from previously stored selection
	f_dialog_default_fetch defaultitem

local menu_choice
	menu_choice=$( eval $DIALOG \
		--title \"\$DIALOG_TITLE\"         \
		--backtitle \"\$DIALOG_BACKTITLE\" \
		--hline \"\$hline\"                \
		--keep-tite                        \
		--ok-label \"\$msg_ok\"            \
		--cancel-label \"\$msg_cancel\"    \
		--help-button                      \
		--help-label \"\$msg_details\"     \
		${SHOW_DESC:+--item-help}          \
		--default-item \"\$defaultitem\"   \
		--menu \"\$prompt\"                \
		$height $width $rows               \
		$menu_list                         \
		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
	)
	local retval=$?
	f_dialog_data_sanitize menu_choice
	f_dialog_menutag_store "$menu_choice"

# Only update default-item on success
	[ $retval -eq $DIALOG_OK ] && f_dialog_default_store "$menu_choice"

return $retval
}

# dialog_menu_confirm_delete $var1 [$var2 ...]
#
# Get the user's blessing to delete one or more variables. Returns success if
# (and only-if) the user confirms (does not press ESC or Cancel/NO). Does NOT
# return the user's menu-choice.
#
dialog_menu_confirm_delete()
{
	local prompt="$msg_are_you_sure_you_want_delete_the_following"
	local menu_list # Calculated below
	local hline="$hline_arrows_tab_enter"

[ $# -ge 1 ] || return $DIALOG_CANCEL

# If asked to delete only one variable, simply ask and return
	if [ $# -eq 1 ]; then
		f_noyes "$msg_are_you_sure_you_want_to_delete" "$1"
		return $?
	fi
	# Not reached unless requested to delete multiple variables

# Generate a menu to cleanly display the variables to be deleted
	local var_list
	var_list=$( for var in $*; do echo "$var"; done | sort -u )
	menu_list=$(
		. "$RC_DEFAULTS"
		source_rc_confs
		echo "$var_list" | awk '
		BEGIN {
			prefix = ""
		}
		{
			cur_prefix = tolower(substr($1, 1, 1))
			printf "'\''"
			if ( prefix != cur_prefix )
				prefix = cur_prefix
			else
				printf " "
			var = $1
			printf "%s'\'' '\'\''\n", var
		}'
	)

local height width rows
	eval f_dialog_menu_size height width rows \
	                        \"\$DIALOG_TITLE\"     \
	                        \"\$DIALOG_BACKTITLE\" \
	                        \"\$prompt\"           \
	                        \"\$hline\"            \
	                        $menu_list

local defaultno="defaultno"
	[ "$USE_XDIALOG" ] && defaultno="default-no"

eval $DIALOG \
		--title \"\$DIALOG_TITLE\"         \
		--backtitle \"\$DIALOG_BACKTITLE\" \
		--hline \"\$hline\"                \
		--$defaultno                       \
		--ok-label \"\$msg_ok\"            \
		--cancel-label \"\$msg_cancel\"    \
		--menu \"\$prompt\"                \
		$height $width $rows               \
		$menu_list                         \
		2> /dev/null

# Menu choice ignored; status of above command returned
}

############################################################ MAIN

# Incorporate rc-file if it exists
[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"

#
# Process command-line arguments
#
while getopts h$GETOPTS_STDARGS flag; do
	case "$flag" in
	h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm" ;;
	esac
done
shift $(( $OPTIND - 1 ))

#
# Initialize
#
f_dialog_title "$msg_delete_startup_directives"
f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
f_mustberoot_init

# Genreate $RCCONF_MAP of `var desc ...' per-line (see share/rcconf.subr)
f_dialog_info "$msg_creating_rcconf_map"
f_startup_rcconf_map RCCONF_MAP

# Generate _${var}_desc variables from $RCCONF_MAP
f_startup_rcconf_map_expand RCCONF_MAP

# Generate RCCONF_MENU_LIST from $RCCONF_MAP
dialog_create_main

#
# Launch application main menu
#
while :; do
	dialog_menu_main
	retval=$?
	f_dialog_menutag_fetch mtag

if [ "$USE_XDIALOG" ]; then
		case "$mtag" in "> $msg_view_details")
			f_dialog_input_view_details && dialog_create_main
			continue
		esac
	elif [ $retval -eq $DIALOG_HELP ]; then
		# The ``Help'' button (labeled "Details") was pressed
		f_dialog_input_view_details && dialog_create_main
		continue
	fi

[ $retval -eq $DIALOG_OK ] || f_die

case "$mtag" in
	"X $msg_exit_cancel") break ;;
	"> $msg_delete_selected")
		delete_vars=
		for var in $( f_startup_rcconf_list ); do
			f_getvar _${var}_delete _delete
			[ "$_delete" ] || continue
			delete_vars="$delete_vars $var"
		done
		if dialog_menu_confirm_delete $delete_vars; then
			f_dialog_title "$msg_info"
			f_dialog_info "$msg_deleting_selected_directives"
			f_dialog_title_restore
			for var in $delete_vars; do
				f_eval_catch "$0" f_sysrc_delete \
					'f_sysrc_delete "%s"' "$var" || break
			done
			dialog_create_main
		fi
		;;
	"> $msg_all")
		for var in $( f_startup_rcconf_list ); do
			setvar _${var}_delete 1
			export _${var}_delete
		done
		;;
	"> $msg_none")
		var_list=$( set | awk -F= "
			/$STARTUP_RCCONF_REGEX/ {
				if (\$1 ~ /^_[[:alpha:]_][[:alnum:]_]*_delete/)
					print \$1
			}"
		)
		[ "$var_list" ] && unset $var_list
		;;
	*) # Anything else is a variable to edit
		var="${mtag# }"

# Toggle the state-variable and loop back to menu
		if f_isset _${var}_delete; then
			unset _${var}_delete
		else
			setvar _${var}_delete 1
			export _${var}_delete
		fi
	esac
done

exit $SUCCESS

################################################################################
# END
################################################################################

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