# Makefile for the charm store.

ifndef GOPATH
$(warning You need to set up a GOPATH.)
endif

PROJECT := gopkg.in/juju/charmstore.v5-unstable
PROJECT_DIR := $(shell go list -e -f '{{.Dir}}' $(PROJECT))

GIT_COMMIT := $(shell git rev-parse --verify HEAD)
VERSION := $(shell git describe --dirty)


ifeq ($(shell uname -p | sed -r 's/.*(x86|armel|armhf).*/golang/'), golang)
	GO_C := golang
	INSTALL_FLAGS :=
else
	GO_C := gccgo-4.9 gccgo-go
	INSTALL_FLAGS := -gccgoflags=-static-libgo
endif

define DEPENDENCIES
  build-essential
  bzr
  juju-mongodb
  mongodb-server
  $(GO_C)
  openjdk-7-jre-headless
  elasticsearch
endef

ifeq ($(VERSION),no)
	VERSIONDEPS :=
else
	VERSIONDEPS := version/init.go
endif

default: build

$(GOPATH)/bin/godeps:
	# godeps needs to be fetched with the insecure flag as launchpad
	# uses http for part of the checkout process.
	go get -v -insecure launchpad.net/godeps

# Start of GOPATH-dependent targets. Some targets only make sense -
# and will only work - when this tree is found on the GOPATH.
ifeq ($(CURDIR),$(PROJECT_DIR))

build: $(VERSIONDEPS)
	go build $(PROJECT)/...

check: $(VERSIONDEPS)
	go test $(PROJECT)/...

install: $(VERSIONDEPS)
	go install $(INSTALL_FLAGS) -v $(PROJECT)/...

clean:
	go clean $(PROJECT)/...

else

build:
	$(error Cannot $@; $(CURDIR) is not on GOPATH)

check:
	$(error Cannot $@; $(CURDIR) is not on GOPATH)

install:
	$(error Cannot $@; $(CURDIR) is not on GOPATH)

clean:
	$(error Cannot $@; $(CURDIR) is not on GOPATH)

endif
# End of GOPATH-dependent targets.

# Reformat source files.
format:
	gofmt -w -l .

# Reformat and simplify source files.
simplify:
	gofmt -w -l -s .

# Run the charmd server.
server: install
	charmd -logging-config INFO cmd/charmd/config.yaml

# Update the project Go dependencies to the required revision.
deps: $(GOPATH)/bin/godeps
	$(GOPATH)/bin/godeps -u dependencies.tsv

# Generate the dependencies file.
create-deps: $(GOPATH)/bin/godeps
	godeps -t $(shell go list $(PROJECT)/...) > dependencies.tsv || true

# Generate version information
version/init.go: version/init.go.tmpl FORCE
	gofmt -r "unknownVersion -> Version{GitCommit: \"${GIT_COMMIT}\", Version: \"${VERSION}\",}" $< > $@

# Install packages required to develop the charm store and run tests.
APT_BASED := $(shell command -v apt-get >/dev/null; echo $$?)
sysdeps:
ifeq ($(APT_BASED),0)
ifeq ($(shell lsb_release -cs|sed -r 's/precise|quantal|raring/old/'),old)
	@echo Adding PPAs for golang and mongodb
	@sudo apt-add-repository --yes ppa:juju/golang
	@sudo apt-add-repository --yes ppa:juju/stable
endif
	@echo Installing dependencies
	[ "x$(apt-key export D88E42B4 2>&1 1>/dev/null)" = "x" ] || { curl -s http://packages.elasticsearch.org/GPG-KEY-elasticsearch | sudo apt-key add -;}
	repo="http://packages.elasticsearch.org/elasticsearch/1.3/debian" file=/etc/apt/sources.list.d/packages_elasticsearch_org_elasticsearch_1_3_debian.list ; grep "$$repo" $$file || echo "deb $$repo stable main" | sudo tee $$file > /dev/null
	sudo apt-get update
	@sudo apt-get --force-yes install $(strip $(DEPENDENCIES)) \
	$(shell apt-cache madison juju-mongodb mongodb-server | head -1 | cut -d '|' -f1)
else
	@echo sysdeps runs only on systems with apt-get
	@echo on OS X with homebrew try: brew install bazaar mongodb elasticsearch
endif

gopkg:
	@echo $(PROJECT)

help:
	@echo -e 'Charmstore - list of make targets:\n'
	@echo 'make - Build the package.'
	@echo 'make check - Run tests.'
	@echo 'make install - Install the package.'
	@echo 'make server - Start the charmd server.'
	@echo 'make clean - Remove object files from package source directories.'
	@echo 'make sysdeps - Install the development environment system packages.'
	@echo 'make deps - Set up the project Go dependencies.'
	@echo 'make create-deps - Generate the Go dependencies file.'
	@echo 'make format - Format the source files.'
	@echo 'make simplify - Format and simplify the source files.'
	@echo 'make gopkg - Output the current gopkg repository path and version.'

.PHONY: build check clean format gopkg help install simplify sysdeps FORCE
