docker-pi-hole/build.sh

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#!/bin/bash
# Usage function
usage() {
echo "Usage: $0 [-l] [-f <ftl_branch>] [-c <core_branch>] [-w <web_branch>] [-t <tag>] [use_cache]"
echo "Options:"
echo " -f, --ftlbranch <branch> Specify FTL branch (cannot be used in conjunction with -l)"
echo " -c, --corebranch <branch> Specify Core branch"
echo " -w, --webbranch <branch> Specify Web branch"
echo " -t, --tag <tag> Specify Docker image tag (default: pihole)"
echo " -l, --local Use locally built FTL binary (requires src/pihole-FTL file)"
echo " use_cache Enable caching (by default --no-cache is used)"
echo ""
echo "If no options are specified, the following command will be executed:"
echo " docker buildx build src/. --tag pihole --no-cache"
exit 1
}
# Set default values
DOCKER_BUILD_CMD="docker buildx build src/. --tag pihole --no-cache"
FTL_FLAG=false
# Parse command line arguments
while [[ $# -gt 0 ]]; do
key="$1"
case $key in
-l | --local)
if [ ! -f "src/pihole-FTL" ]; then
echo "File 'src/pihole-FTL' not found. Exiting."
exit 1
fi
if [ "$FTL_FLAG" = true ]; then
echo "Error: Both -l and -f cannot be used together."
usage
fi
FTL_FLAG=true
DOCKER_BUILD_CMD+=" --build-arg FTL_SOURCE=local"
shift
;;
-f | --ftlbranch)
if [ "$FTL_FLAG" = true ]; then
echo "Error: Both -l and -f cannot be used together."
usage
fi
FTL_FLAG=true
FTL_BRANCH="$2"
DOCKER_BUILD_CMD+=" --build-arg FTL_BRANCH=$FTL_BRANCH"
shift
shift
;;
-c | --corebranch)
CORE_BRANCH="$2"
DOCKER_BUILD_CMD+=" --build-arg CORE_BRANCH=$CORE_BRANCH"
shift
shift
;;
-w | --webbranch)
WEB_BRANCH="$2"
DOCKER_BUILD_CMD+=" --build-arg WEB_BRANCH=$WEB_BRANCH"
shift
shift
;;
-t | --tag)
TAG="$2"
DOCKER_BUILD_CMD=${DOCKER_BUILD_CMD/pihole/$TAG}
shift
shift
;;
use_cache)
DOCKER_BUILD_CMD=${DOCKER_BUILD_CMD/--no-cache/}
shift
;;
*)
echo "Unknown option: $1"
usage
;;
esac
done
# Execute the docker build command
echo "Executing command: $DOCKER_BUILD_CMD"
eval $DOCKER_BUILD_CMD