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Makefile
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#! /usr/bin/make
#
# Makefile for Golang projects, v0.9.0
#
# Features:
# - runs ginkgo tests recursively, computes code coverage report
# - code coverage ready for travis-ci to upload and produce badges for README.md
# - build for linux/amd64, linux/arm, darwin/amd64, windows/amd64
# - just 'make' builds for local OS/arch
# - produces .tgz/.zip build output
# - bundles *.sh files in ./script subdirectory
# - produces version.go for each build with string in global variable VV, please
# print this using a --version option in the executable
# - to include the build status and code coverage badge in CI use (replace NAME by what
# you set $(NAME) to further down, and also replace magnum.travis-ci.com by travis-ci.org for
# publicly accessible repos [sigh]):
# [](https://magnum.travis-ci.com/rightscale/NAME
# 
#
# Top-level targets:
# default: compile the program, you can thus use make && ./NAME -options ...
# build: builds binaries for linux and darwin
# test: runs unit tests recursively and produces code coverage stats and shows them
# travis-test: just runs unit tests recursively
# clean: removes build stuff
#
# HACKS - a couple of things here are unconventional in order to keep travis-ci fast:
# - use 'godep save' on your laptop if you add dependencies, but we don't use godep in the
# makefile, instead, we simply add the godep workspace to the GOPATH
#NAME=$(shell basename $$PWD)
NAME=wstunnel
BUCKET=rightscale-binaries
ACL=public-read
# dependencies that are not in Godep because they're used by the build&test process
DEPEND=golang.org/x/tools/cmd/cover github.com/onsi/ginkgo/ginkgo \
github.com/rlmcpherson/s3gof3r/gof3r github.com/tools/godep
#=== below this line ideally remains unchanged, add new targets at the end ===
TRAVIS_BRANCH?=dev
DATE=$(shell date '+%F %T')
TRAVIS_COMMIT?=$(shell git symbolic-ref HEAD | cut -d"/" -f 3)
# by manually adding the godep workspace to the path we don't need to run godep itself
ifeq ($(OS),Windows_NT)
SHELL:=/bin/dash
GOPATH:=$(shell cygpath --windows $(PWD))/Godeps/_workspace;$(GOPATH)
else
GOPATH:=$(PWD)/Godeps/_workspace:$(GOPATH)
endif
# because of the Godep path we build ginkgo into the godep workspace
PATH:=$(PWD)/Godeps/_workspace/bin:$(PATH)
# the default target builds a binary in the top-level dir for whatever the local OS is
default: $(NAME)
$(NAME): *.go version
go build -o $(NAME) .
# the standard build produces a "local" executable, a linux tgz, and a darwin (macos) tgz
build: depend $(NAME) build/$(NAME)-linux-amd64.tgz
# build/$(NAME)-darwin-amd64.tgz build/$(NAME)-linux-arm.tgz build/$(NAME)-windows-amd64.zip
# create a tgz with the binary and any artifacts that are necessary
# note the hack to allow for various GOOS & GOARCH combos, sigh
build/$(NAME)-%.tgz: *.go version depend
rm -rf build/$(NAME)
mkdir -p build/$(NAME)
tgt=$*; GOOS=$${tgt%-*} GOARCH=$${tgt#*-} go build -o build/$(NAME)/$(NAME) .
chmod +x build/$(NAME)/$(NAME)
for d in script init; do if [ -d $$d ]; then cp -r $$d build/$(NAME); fi; done
if [ "build/*/*.sh" != 'build/*/*.sh' ]; then \
sed -i -e "s/BRANCH/$(TRAVIS_BRANCH)/" build/*/*.sh; \
chmod +x build/*/*.sh; \
fi
tar -zcf $@ -C build ./$(NAME)
rm -r build/$(NAME)
build/$(NAME)-%.zip: *.go version depend
touch $@
# upload assumes you have AWS_ACCESS_KEY_ID and AWS_SECRET_KEY env variables set,
# which happens in the .travis.yml for CI
upload: depend
@which gof3r >/dev/null || (echo 'Please "go get github.com/rlmcpherson/s3gof3r/gof3r"'; false)
(cd build; set -ex; \
for f in *.tgz; do \
gof3r put --no-md5 --acl=$(ACL) -b ${BUCKET} -k rsbin/$(NAME)/$(TRAVIS_COMMIT)/$$f <$$f; \
if [ "$(TRAVIS_PULL_REQUEST)" = "false" ]; then \
gof3r put --no-md5 --acl=$(ACL) -b ${BUCKET} -k rsbin/$(NAME)/$(TRAVIS_BRANCH)/$$f <$$f; \
fi; \
done)
# produce a version string that is embedded into the binary that captures the branch, the date
# and the commit we're building
version:
@echo "package main\n\nconst VV = \"$(NAME) $(TRAVIS_BRANCH) - $(DATE) - $(TRAVIS_COMMIT)\"" \
>version.go
@echo "version.go: `cat version.go`"
# Installing build dependencies is a bit of a mess. Don't want to spend lots of time in
# Travis doing this. The folllowing just relies on go get no reinstalling when it's already
# there, like your laptop.
depend:
go get $(DEPEND)
godep restore
clean:
rm -rf build _aws-sdk
@echo "package main; const VV = \"$(NAME) unversioned - $(DATE)\"" >version.go
# gofmt uses the awkward *.go */*.go because gofmt -l . descends into the Godeps workspace
# and then pointlessly complains about bad formatting in imported packages, sigh
lint:
@if gofmt -l *.go */*.go | grep .go; then \
echo "^- Repo contains improperly formatted go files; run gofmt -w *.go */*.go" && exit 1; \
else echo "All .go files formatted correctly"; fi
go tool vet -composites=false *.go
#go tool vet -composites=false **/*.go
travis-test: lint
ginkgo -r -cover
# running ginkgo twice, sadly, the problem is that -cover modifies the source code with the effect
# that if there are errors the output of gingko refers to incorrect line numbers
# tip: if you don't like colors use gingkgo -r -noColor
test: lint
ginkgo -r
ginkgo -r -cover
go tool cover -func=`basename $$PWD`.coverprofile