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entropi/preflight
T
Lukas Stancik 8176e71b81 Initial commit
Basic working code that is capable of establishing the Wireguard tunnel given that there is properly configured `.psk` file for at least one known wifi network (see README.md for more details)
2025-02-27 13:59:58 +00:00

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#! /bin/sh
set -eu
# Let's find out if a temporary build directory exists already
BUILD_DIR=$(find . -type d -name "tmp*" -print -quit 2>/dev/null)
# Create it if it doesn't
if ! echo "$BUILD_DIR" | grep -q .; then
BUILD_DIR=$(mktemp --tmpdir=. --directory tmp.build.XXXXXXXXXX)
fi
# Preprocess the dotenv file
./src/esh -o "$BUILD_DIR"/.env ./.env
# Load the contents of the preprocessed dotenv file in order to
# use the values for init stage below
# https://www.shellcheck.net/wiki/SC1090
# shellcheck source=/dev/null
. "$BUILD_DIR"/.env
echo "
RELEASE_BASENAME=alpine-rpi-$ALPINE_VER_MAJOR.$ALPINE_VER_MINOR.$ALPINE_VER_PATCH-$ALPINE_ARCH
RELEASE_VERSION=v$ALPINE_VER_MAJOR.$ALPINE_VER_MINOR
ALPINE_DOCKER_IMAGE=alpine:$ALPINE_VER_MAJOR.$ALPINE_VER_MINOR.$ALPINE_VER_PATCH
wlan0_cidr=$wlan0_base.0/24
wlan0_address=$wlan0_base.1
wlan0_range_start=$wlan0_base.2
wlan0_range_end=$wlan0_base.254
wg0_cidr=$wg0_base.0/24
wg0_address=$wg0_base.12
wg0_gateway=$wg0_base.1" >> "$BUILD_DIR"/.env
echo "$BUILD_DIR"