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ttrss_ynh/scripts/_common.sh
2020-08-14 12:29:45 +02:00

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#!/bin/bash
#=================================================
# COMMON VARIABLES
#=================================================
YNH_PHP_VERSION="7.3"
extra_php_dependencies="php${YNH_PHP_VERSION}-cli php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-xml"
#=================================================
# EXPERIMENTAL HELPERS
#=================================================
# Check available space before creating a temp directory.
#
# usage: ynh_smart_mktemp --min_size="Min size"
#
# | arg: -s, --min_size= - Minimal size needed for the temporary directory, in Mb
ynh_smart_mktemp () {
# Declare an array to define the options of this helper.
declare -Ar args_array=( [s]=min_size= )
local min_size
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
min_size="${min_size:-300}"
# Transform the minimum size from megabytes to kilobytes
min_size=$(( $min_size * 1024 ))
# Check if there's enough free space in a directory
is_there_enough_space () {
local free_space=$(df --output=avail "$1" | sed 1d)
test $free_space -ge $min_size
}
if is_there_enough_space /tmp; then
local tmpdir=/tmp
elif is_there_enough_space /var; then
local tmpdir=/var
elif is_there_enough_space /; then
local tmpdir=/
elif is_there_enough_space /home; then
local tmpdir=/home
else
ynh_die "Insufficient free space to continue..."
fi
echo "$(sudo mktemp --directory --tmpdir="$tmpdir")"
}
#=================================================
# Execute a command as another user
# usage: ynh_exec_as USER COMMAND [ARG ...]
ynh_exec_as() {
local USER=$1
shift 1
if [[ $USER = $(whoami) ]]; then
eval "$@"
else
sudo -u "$USER" "$@"
fi
}