#!/usr/bin/env bash
#
# Package the (already built) chlog binary into an RPM with nfpm, bundling
# chcat/chtail/chgrep symlinks and generated bash/zsh/fish shell completions.
# Usage: scripts/build-rpm.sh [version]   (version defaults to $CI_COMMIT_TAG)
#
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "${ROOT_DIR}"

VERSION="${1:-${CI_COMMIT_TAG:-0.0.0-dev}}"
VERSION="${VERSION#v}" # strip a leading v
BINARY="chlog"
NAMES=(chlog chcat chtail chgrep)
DIST="dist"

if [ ! -f "${DIST}/${BINARY}" ]; then
  echo "ERROR: ${DIST}/${BINARY} not found; run 'make build' first" >&2
  exit 1
fi

for l in chcat chtail chgrep; do
  ln -sf "${BINARY}" "${DIST}/${l}"
done

# Generate shell completions per entrypoint name so they always match the
# shipped flags/subcommands (each name dispatches to its own command tree).
COMP_DIR="${DIST}/completions"
mkdir -p "${COMP_DIR}"
for b in "${NAMES[@]}"; do
  "./${DIST}/${b}" completion bash >"${COMP_DIR}/${b}.bash"
  "./${DIST}/${b}" completion zsh >"${COMP_DIR}/_${b}"
  "./${DIST}/${b}" completion fish >"${COMP_DIR}/${b}.fish"
done

export PACKAGE_NAME="clickhouse-tools"
export PACKAGE_VERSION="${VERSION}"
export PACKAGE_RELEASE="1"
export PACKAGE_ARCH="amd64"
export PACKAGE_PLATFORM="linux"
export PACKAGE_DESCRIPTION="CLI tools for the ClickHouse log store: chlog with chcat (print), chtail (follow) and chgrep (search) entrypoints"
export PACKAGE_MAINTAINER="Ben Vincent <ben@unkin.net>"
export PACKAGE_HOMEPAGE="https://git.unkin.net/unkin/clickhouse-tools"
export PACKAGE_LICENSE="MIT"

envsubst <packaging/nfpm.yaml >"${DIST}/nfpm.yaml"
nfpm pkg --config "${DIST}/nfpm.yaml" --target "${DIST}" --packager rpm

echo "Built:"
ls -1 "${DIST}"/*.rpm