make.bash

#!/bin/bash
set -o pipefail

function help() {
    echo "---- Project: Ptt-backend ----"
    echo " Usage: ./make.bash [COMMAND]"
    echo
    echo " Management Commands:"
    echo "  build              Build project"
    echo "  deps               Ensures fresh go.mod and go.sum for dependencies"
    echo "  format             Formats Go code"
    echo "  lint               Run golangci-lint check"
    echo "  test-unit          Run all unit tests"
    echo "  test-integration   Run all integration and unit tests"
    echo "  clean              Remove object files, ./bin, .out files"
    echo
}

function build() {
    VERSION=$(git describe --tags $(git rev-list --tags --max-count=1) 2>/dev/null)
    BUILDTIME=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
    GITSHA=$(git rev-parse --short HEAD 2>/dev/null)
    if [ -z "$VERSION" ]; then
        VERSION="git-$GITSHA"
    fi

    GOFLAGS="-trimpath"
    LDFLAGS="-X main/version.version=$VERSION -X main/version.commit=$GITSHA -X main/version.buildTime=$BUILDTIME"
    mkdir -p "bin"
    echo "VERSION: $VERSION"
    echo "GITSHA: $GITSHA"
    go build "$GOFLAGS" -ldflags "$LDFLAGS"
    echo "binary file ./Ptt-backend"
}

function format() {
    files=$(find . -path ./vendor -prune -o -name "*.go" -print)
    gofmt -s -w $files
}

function lint() {
    GOBIN=$(go env GOPATH)/bin
    if [ ! -f "$GOBIN/golangci-lint" ]; then
        curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b "$GOBIN" "$GOLANGCI_LINT_VERSION"
        echo "download golangci-lint into $GOBIN"
    fi
    go vet ./...
    echo "golangci-lint checking..."
    "$GOBIN"/golangci-lint run --deadline=30m --enable=misspell --enable=gosec --enable=gofmt --enable=goimports --enable=golint ./...
}
# no arguments
if [ $# -lt 1 ]; then
    help
    exit 0
# number of arguments greater than 1
elif [ $# -gt 1 ]; then
    echo "invalid args, please check command"
    help
    exit 0
fi

case "$1" in
help)
    help
    ;;
# build: Build project
build)
    build
    ;;
# deps: Ensures fresh go.mod and go.sum for dependencies
deps)
    go mod tidy
    go mod verify
    ;;
# format: Formats Go code
format)
    format
    ;;
# lint: Run golangci-lint check
lint)
    lint
    ;;
# test-unit: Run all unit tests
test-unit)
    CGO_ENABLED=1 && go test ./... -coverprofile=coverage.out -cover -race
    ;;
# test-integration: Run all integration and unit tests
test-integration)
    echo 'mode: atomic' >coverage.out
    CGO_ENABLED=1 && go test ./...  -coverprofile=coverage.out -cover -race -tags=integration -covermode=atomic
    ;;
# clean: Remove object files, ./bin, .out .exe files
clean)
    go clean -i -x
    rm -f *.out
    ;;
*)
    echo "invalid args, please check command"
    help
    ;;
esac