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#!/bin/bash
# NextCloudPi function library
#
# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
# GPL licensed (see end of file) * Use at your own risk!
#
# More at ownyourbits.com
#
# Initializes $INSTALLATION_CODE
function config()
{
local INSTALL_SCRIPT="$1"
local BACKTITLE="NextCloudPi installer configuration"
type dialog &>/dev/null || { echo "please, install dialog for interactive configuration"; return 1; }
test -f "$INSTALL_SCRIPT" || { echo "file $INSTALL_SCRIPT not found"; return 1; }
local VARS=( $( grep "^[[:alpha:]]\+_=" "$INSTALL_SCRIPT" | cut -d= -f1 | sed 's|_$||' ) )
local VALS=( $( grep "^[[:alpha:]]\+_=" "$INSTALL_SCRIPT" | cut -d= -f2 ) )
[[ "$NO_CONFIG" == "1" ]] || test ${#VARS[@]} -eq 0 && { INSTALLATION_CODE="$( cat "$INSTALL_SCRIPT" )"; return; }
for i in $( seq 1 1 ${#VARS[@]} ); do
local PARAM+="${VARS[$((i-1))]} $i 1 ${VALS[$((i-1))]} $i 15 60 0 "
done
local DIALOG_OK=0
local DIALOG_CANCEL=1
local DIALOG_ERROR=254
local DIALOG_ESC=255
local RET=0
while test $RET != 1 && test $RET != 250; do
local value
value=$( dialog --ok-label "Start" \
--no-lines --backtitle "$BACKTITLE" \
--form "Enter configuration for $( basename "$INSTALL_SCRIPT" .sh )" \
20 70 0 $PARAM \
3>&1 1>&2 2>&3 )
RET=$?
case $RET in
$DIALOG_CANCEL)
return 1
;;
$DIALOG_OK)
local RET=( $value )
for i in $( seq 0 1 $(( ${#RET[@]} - 1 )) ); do
local SEDRULE+="s|^${VARS[$i]}_=.*|${VARS[$i]}_=${RET[$i]}|;"
local CONFIG+="${VARS[$i]}=${RET[$i]}\n"
done
break
;;
$DIALOG_ERROR)
echo "ERROR!$value"
return 1
;;
$DIALOG_ESC)
echo "ESC pressed."
return 1
;;
*)
echo "Return code was $RET"
return 1
;;
esac
done
INSTALLATION_CODE="$( sed "$SEDRULE" "$INSTALL_SCRIPT" )"
}
function install_script()
{
(
local SCRIPT=$1
source ./"$SCRIPT"
echo -e "Installing $( basename "$SCRIPT" .sh )"
set +x
install
)
}
function activate_script()
{
local SCRIPT=$1
echo -e "Activating $( basename "$SCRIPT" .sh )"
launch_script "$SCRIPT"
}
function is_active_script()
{
(
local SCRIPT=$1
unset is_active
source "$SCRIPT"
[[ $( type -t is_active ) == function ]] && {
is_active
return $?
}
grep -q "^ACTIVE_=yes" "$SCRIPT" && return 0
)
}
function launch_script()
{
(
local SCRIPT=$1
source ./"$SCRIPT"
set +x
configure
)
}
# show an info box for a script if the INFO variable is set in the script
function info_script()
{
(
local SCRIPT=$1
cd /usr/local/etc/nextcloudpi-config.d/ || return 1
unset show_info INFO INFOTITLE
source ./"$SCRIPT"
local INFOTITLE="${INFOTITLE:-Info}"
[[ "$INFO" == "" ]] && return 0
whiptail --yesno --backtitle "NextCloudPi configuration" --title "$INFOTITLE" "$INFO" 20 90
)
}
function configure_script()
{
(
local SCRIPT=$1
cd /usr/local/etc/nextcloudpi-config.d/ || return 1
config "$SCRIPT" || return 1 # writes "$INSTALLATION_CODE"
echo -e "$INSTALLATION_CODE" > "$SCRIPT" # save configuration
source ./"$SCRIPT" # load configuration
printf '\033[2J' && tput cup 0 0 # clear screen, don't clear scroll, cursor on top
echo -e "Launching $( basename "$SCRIPT" .sh )"
set +x
configure
return 0
)
}
function persistent_cfg()
{
local SRC="$1"
local DST="${2:-/data/etc/$( basename "$SRC" )}"
mkdir -p "$( dirname "$DST" )"
test -d "$DST" || {
echo "Making $SRC persistent ..."
mv "$SRC" "$DST"
}
rm -rf "$SRC"
ln -s "$DST" "$SRC"
}
# License
#
# This script is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This script is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this script; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA
|
