#!/bin/sh
# script/docker: build the Docker image tagged with the project name.
# The tag comes from script/projectname.
#
# The Dockerfile requires the CHECK_EPOCH build argument, generated here
# exactly as script/cibuild generates it: see that script for why the
# check layer must not be allowed to cache, and why the value is built
# in an assignment rather than inline.
set -eu

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"

main() {
    cd "$ROOT"
    epoch="$(date +%s%N)$$"
    docker build --build-arg CHECK_EPOCH="$epoch" \
        -t "$("$SCRIPT_DIR/projectname")" .
}

main "$@"