Update Makefile.

Create files associated with build under the REPOSITORY_ROOT/build directory.

.gitignore

@@ -3,6 +3,8 @@
 ################################
 vendor/
 csvq
+build/
+dist/
 *.output
 
 ################################
@@ -86,7 +88,6 @@ tramp
 
 # cask packages
 .cask/
-dist/
 
 # Flycheck
 flycheck_*.el

Makefile

@@ -1,40 +1,32 @@
-BINARY=csvq
-VERSION=$(shell git describe --tags --always)
+GOPATH := $(shell pwd)/build
+BINARY := csvq
+PRERELEASE_ARCH := darwin/amd64 linux/amd64 windows/amd64
 
-SOURCEDIR=.
-SOURCES := $(shell find $(SOURCEDIR) -name '*.go')
+ifneq ($(shell command -v git && git remote -v 2>/dev/null | grep mithrandie/csvq.git && echo true),true)
+	VERSION := $(shell git describe --tags --always 2>/dev/null)
+endif
 
-LDFLAGS := -ldflags="-X github.com/mithrandie/csvq/lib/query.Version=$(VERSION)"
+ifdef VERSION
+	LDFLAGS := -ldflags="-X github.com/mithrandie/csvq/lib/query.Version=$(VERSION)"
+endif
 
 DIST_DIRS := find * -type d -exec
 
 .DEFAULT_GOAL: $(BINARY)
 
-$(BINARY): $(SOURCES)
-	go build $(LDFLAGS) -o $(BINARY)
+$(BINARY): build
+
+.PHONY: build
+build:
+	GOPATH=$(GOPATH) go build $(LDFLAGS) -o $(GOPATH)/bin/$(BINARY)
 
 .PHONY: install
 install:
-	go install $(LDFLAGS)
-
-.PHONY: install-goyacc
-install-goyacc:
-ifeq ($(shell command -v goyacc 2>/dev/null),)
-	go get github.com/cznic/goyacc
-endif
-
-.PHONY: yacc
-yacc: install-goyacc
-	cd lib/parser && \
-	goyacc -o parser.go -v parser.output parser.y && \
-	cd ../../lib/json && \
-	goyacc -p jq -o query_parser.go -v query_parser.output query_parser.y && \
-	goyacc -p jp -o path_parser.go -v path_parser.output path_parser.y && \
-	cd ../..
+	GOPATH=$(GOPATH) go install $(LDFLAGS)
 
 .PHONY: clean
 clean:
-	if [ -f $(BINARY) ]; then rm $(BINARY); fi
+	GOPATH=$(GOPATH) go clean -i -cache -modcache
 
 .PHONY: install-gox
 install-gox:
@@ -44,11 +36,11 @@ endif
 
 .PHONY: build-all
 build-all: install-gox
-	gox $(LDFLAGS) -output="dist/${BINARY}-${VERSION}-{{.OS}}-{{.Arch}}/{{.Dir}}"
+	GOPATH=$(GOPATH) gox $(LDFLAGS) -output="dist/${BINARY}-${VERSION}-{{.OS}}-{{.Arch}}/{{.Dir}}"
 
 .PHONY: build-pre-release
 build-pre-release: install-gox
-	gox $(LDFLAGS) --osarch="darwin/amd64 linux/amd64 windows/amd64" -output="dist/${BINARY}-${VERSION}-{{.OS}}-{{.Arch}}/{{.Dir}}"
+	GOPATH=$(GOPATH) gox $(LDFLAGS) --osarch="$(PRERELEASE_ARCH)" -output="dist/${BINARY}-${VERSION}-{{.OS}}-{{.Arch}}/{{.Dir}}"
 
 .PHONY: dist
 dist:
@@ -67,3 +59,19 @@ ifeq ($(shell git tag --contains 2>/dev/null),)
 else
 	git push origin $(VERSION)
 endif
+
+.PHONY: install-goyacc
+install-goyacc:
+ifeq ($(shell command -v goyacc 2>/dev/null),)
+	go get github.com/cznic/goyacc
+endif
+
+.PHONY: yacc
+yacc: install-goyacc
+	cd lib/parser && \
+	goyacc -o parser.go -v parser.output parser.y && \
+	cd ../../lib/json && \
+	goyacc -p jq -o query_parser.go -v query_parser.output query_parser.y && \
+	goyacc -p jp -o path_parser.go -v path_parser.output path_parser.y && \
+	cd ../..
+