freedombone/src/freedombone-utils-selector

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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Functions for selecting which apps to install or remove
#
# License
# =======
#
# Copyright (C) 2015-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Array containing names of available apps
APPS_AVAILABLE=()
# Array containing 1 or 0 indicating installed apps
APPS_INSTALLED=()
# Apps selected with checklist
APPS_CHOSEN=()
function item_in_array {
local e
for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
return 1
}
function app_is_installed {
app_name="$1"
if [ ! -f $COMPLETION_FILE ]; then
echo "0"
return
fi
if ! grep -Fxq "install_${app_name}" $COMPLETION_FILE; then
echo "0"
else
echo "1"
fi
}
function get_apps_installed {
for a in "${APPS_AVAILABLE[@]}"
do
APPS_INSTALLED+=("$(app_is_installed $a)")
done
}
function detect_apps {
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FILES=/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*
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APPS_AVAILABLE=()
APPS_CHOSEN=()
# for all the app scripts
for filename in $FILES
do
app_name=$(echo "${filename}" | awk -F '-app-' '{print $2}')
if [[ $(item_in_array ${app_name} ${APPS_AVAILABLE[@]}) != 0 ]]; then
APPS_AVAILABLE+=("${app_name}")
APPS_CHOSEN+=("0")
fi
done
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function_check get_apps_installed
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get_apps_installed
}
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# creates the APPS_AVAILABLE and APPS_CHOSEN arrays based on
# the given variant name
function choose_apps_for_variant {
variant_name="$1"
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FILES=/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*
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APPS_AVAILABLE=()
APPS_CHOSEN=()
# for all the app scripts
for filename in $FILES
do
app_name=$(echo "${filename}" | awk -F '-app-' '{print $2}')
if [[ $(item_in_array ${app_name} ${APPS_AVAILABLE[@]}) != 0 ]]; then
APPS_AVAILABLE+=("${app_name}")
if grep -q "VARIANTS=" ${filename}; then
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variants_list="$(cat ${filename} | grep "VARIANTS=" | awk -F '=' '{print $2}' | awk -F "'" '{print $2}')"
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if [[ "${variants_list}" == 'all' || "${variants_list}" == "$variant_name "* || "${variants_list}" == *" $variant_name "* || "${variants_list}" == *" $variant_name" ]]; then
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APPS_CHOSEN+=("1")
else
APPS_CHOSEN+=("0")
fi
else
APPS_CHOSEN+=("0")
fi
fi
done
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function_check get_apps_installed
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get_apps_installed
}
function list_chosen_apps {
app_index=0
for a in "${APPS_AVAILABLE[@]}"
do
if [[ ${APPS_CHOSEN[$app_index]} == "1" ]]; then
echo $"${a}"
fi
app_index=$[app_index+1]
done
}
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function remove_apps {
app_index=0
for a in "${APPS_AVAILABLE[@]}"
do
if [[ ${APPS_INSTALLED[$app_index]} == "1" ]]; then
if [[ ${APPS_CHOSEN[$app_index]} == "0" ]]; then
echo $"Removing application: ${a}"
remove_${a}
echo $"${a} was removed"
fi
fi
app_index=$[app_index+1]
done
}
function install_apps {
app_index=0
for a in "${APPS_AVAILABLE[@]}"
do
if [[ ${APPS_INSTALLED[$app_index]} == "0" ]]; then
if [[ ${APPS_CHOSEN[$app_index]} == "1" ]]; then
echo $"Installing application: ${a}"
install_${a}
echo $"${a} was installed"
fi
fi
app_index=$[app_index+1]
done
}
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# NOTE: deliberately no exit 0