SHELL := /bin/bash

# include the init make file
INIT_SELF_DIR := $(dir $(lastword $(MAKEFILE_LIST)))

ifeq ($(origin ROOT_DIR),undefined)
ROOT_DIR := $(abspath $(shell cd $(INIT_SELF_DIR)/../.. && pwd -P))
endif
ifeq ($(origin OUTPUT_DIR),undefined)
OUTPUT_DIR := $(ROOT_DIR)/_output
$(shell mkdir -p $(OUTPUT_DIR))
endif
ifeq ($(origin TMP_DIR),undefined)
TMP_DIR := $(OUTPUT_DIR)/tmp
$(shell mkdir -p $(TMP_DIR))
endif

# set the version number. you should not need to do this
# for the majority of scenarios.
ifeq ($(origin VERSION), undefined)
VERSION := $(shell git describe --tags --always --match='v*')
endif
# Check if the tree is dirty.  default to dirty
GIT_TREE_STATE:="dirty"
ifeq (, $(shell git status --porcelain 2>/dev/null))
	GIT_TREE_STATE="clean"
endif
GIT_COMMIT:=$(shell git rev-parse HEAD)

# The OS can be linux/darwin when building binaries
PLATFORMS ?= linux_amd64

# Set a specific PLATFORM
ifeq ($(origin PLATFORM), undefined)
	ifeq ($(origin GOOS), undefined)
		GOOS := $(shell go env GOOS)
	endif
	ifeq ($(origin GOARCH), undefined)
		GOARCH := $(shell go env GOARCH)
	endif
	PLATFORM := $(GOOS)_$(GOARCH)
	IMAGE_PLAT := linux_$(GOARCH)
else
	GOOS := $(word 1, $(subst _, ,$(PLATFORM)))
	GOARCH := $(word 2, $(subst _, ,$(PLATFORM)))
	IMAGE_PLAT := $(PLATFORM)
endif

# Linux(GNU) command settings
FIND := find . ! -path './third_party/*' ! -path './vendor/*'
XARGS := xargs --no-run-if-empty

# Makefile settings
ifndef V
MAKEFLAGS += --no-print-directory
endif

GO := go
Docker := docker
DOCKER_REG := asia-east2-docker.pkg.dev/gcp-digital-infra/internal-tools

# Copy githook scripts when execute makefile
#COPY_GITHOOK:=$(shell cp -f githooks/* .git/hooks/)

# Specify tools severity, include: BLOCKER_TOOLS, CRITICAL_TOOLS, TRIVIAL_TOOLS.
# Missing BLOCKER_TOOLS can cause the CI flow execution failed, i.e. `make all` failed.
# Missing CRITICAL_TOOLS can lead to some necessary operations failed. i.e. `make release` failed.
# TRIVIAL_TOOLS are Optional tools, missing these tool have no affect.
BLOCKER_TOOLS ?= go-gitlint golangci-lint goimports gofumpt
CRITICAL_TOOLS ?=
TRIVIAL_TOOLS ?=

COMMA := ,
SPACE :=
SPACE +=