add version command and setup github release

.circleci/config.yml

@@ -1,9 +1,13 @@
+---
+
+defaults: &defaults
+  docker:
+    - image: golang:1.10
+  working_directory: /go/src/github.com/corrupt952/tmuxist
 version: 2
 jobs:
   test:
-    docker:
-      - image: golang:1.10
-    working_directory: /go/src/github.com/corrupt952/tmuxist
+    <<: *defaults
     steps:
       - run: go get -u github.com/golang/dep/cmd/dep
       - checkout
@@ -17,9 +21,7 @@ jobs:
           paths:
             - "vendor/"
   build:
-    docker:
-      - image: golang:1.10
-    working_directory: /go/src/github.com/corrupt952/tmuxist
+    <<: *defaults
     environment:
       BUILD_GOOS: darwin
       BUILD_GOARCH: amd64
@@ -31,18 +33,42 @@ jobs:
           keys:
             - dep-{{ checksum "Gopkg.lock" }}
             - dep-
-      - run: make build
+      - run: make package
       - save_cache:
           key: dep-{{ checksum "Gopkg.lock" }}
           paths:
             - "vendor/"
+      - persist_to_workspace:
+          root: .
+          paths:
+            - Makefile
+            - pkg/tmuxist_*
       - store_artifacts:
           path: pkg
+  release:
+    <<: *defaults
+    steps:
+      - run: go get -u github.com/tcnksm/ghr
+      - attach_workspace:
+          at: .
+      - run: make release
 workflows:
   version: 2
   test_and_build:
     jobs:
-      - test
+      - test:
+          filters:
+            tags:
+              only: /.*/
       - build:
-          requires:
-            - test
+          requires: [test]
+          filters:
+            tags:
+              only: /.*/
+      - release:
+          requires: [build]
+          filters:
+            branches:
+              ignore: /.*/
+            tags:
+              only: /^\d+\.\d+\.\d+$/

Makefile

@@ -1,13 +1,22 @@
-OUTPUT_PATH	?= tmuxist
-BUILD_FLAGS	?= -a -v -race
+VERSION ?= 0.0.1
+LDFLAGS	?= "-X main.version=${VERSION}"
 
 all: build
 
 dep:
 	dep ensure
 
 build: dep
-	gox -output="pkg/{{.Dir}}_{{.OS}}_{{.Arch}}" -osarch="darwin/amd64 linux/amd64 linux/386"
+	gox -ldflags=${LDFLAGS} -output="pkg/{{.OS}}_{{.Arch}}/{{.Dir}}" -osarch="darwin/amd64 linux/amd64 linux/386"
+
+package: build
+	cd pkg \
+		&& find * -type d | xargs -I{} tar -zcvf tmuxist_${VERSION}_{}.tar.gz {}/tmuxist \
+		&& find * -type d | xargs -I{} rm -rf {}
+
+release:
+	ghr -t ${GITHUB_TOKEN} -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -c ${CIRCLE_SHA1} -delete ${VERSION} pkg
+
 
 run: dep
 	go run *.go
@@ -19,8 +28,8 @@ test: dep
 	go test .
 
 clean:
-	rm -f pkg/tmuxist_*
+	rm -rf pkg/*
 
 vars:
-	echo ${OUTPUT_PATH}
-	echo ${BUILD_FLAGS}
+	echo ${VERSION}
+	echo ${LDFLAGS}

logger.go

@@ -1,9 +1,9 @@
 package main
 
 import (
-	"os"
-	"log"
 	"github.com/hashicorp/logutils"
+	"log"
+	"os"
 )
 
 // logging

main.go

@@ -1,8 +1,10 @@
 package main
 
 import (
+	"bytes"
 	"context"
 	"flag"
+	"fmt"
 	"io/ioutil"
 	"os"
 	"os/exec"
@@ -11,11 +13,13 @@ import (
 	"strings"
 	"syscall"
 	"text/template"
-	"bytes"
-	"fmt"
 
-	"github.com/pelletier/go-toml"
 	"github.com/google/subcommands"
+	"github.com/pelletier/go-toml"
+)
+
+var (
+	version	string
 )
 
 const (
@@ -213,6 +217,41 @@ func (cmd *startCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{
 	return subcommands.ExitSuccess
 }
 
+// version commands
+type versionCmd struct{}
+
+func (*versionCmd) Name() string {
+	return "version"
+}
+func (*versionCmd) Synopsis() string {
+	return "Print tmuxist version"
+}
+func (*versionCmd) Usage() string {
+	return "version: tmuxist version\n"
+}
+func (*versionCmd) SetFlags(f *flag.FlagSet) {
+}
+func (*versionCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
+	fmt.Print(version)
+	return subcommands.ExitSuccess
+}
+
+func main() {
+	initLogger()
+
+	subcommands.Register(subcommands.HelpCommand(), "")
+	subcommands.Register(subcommands.CommandsCommand(), "")
+	subcommands.Register(&initCmd{}, "")
+	subcommands.Register(&editCmd{}, "")
+	subcommands.Register(&outputCmd{}, "")
+	subcommands.Register(&startCmd{}, "")
+	subcommands.Register(&versionCmd{}, "")
+
+	flag.Parse()
+	ctx := context.Background()
+	os.Exit(int(subcommands.Execute(ctx)))
+}
+
 func getConfigurationPath(profile string) (string, error) {
 	fpath, err := absolutePath(filepath.Join(CONFIG_DIR_PATH, profile+".toml"))
 	if err != nil {
@@ -244,18 +283,3 @@ func absolutePath(path string) (string, error) {
 
 	return strings.Replace(path, "~", usr.HomeDir, 1), nil
 }
-
-func main() {
-	initLogger()
-
-	subcommands.Register(subcommands.HelpCommand(), "")
-	subcommands.Register(subcommands.CommandsCommand(), "")
-	subcommands.Register(&initCmd{}, "")
-	subcommands.Register(&editCmd{}, "")
-	subcommands.Register(&outputCmd{}, "")
-	subcommands.Register(&startCmd{}, "")
-
-	flag.Parse()
-	ctx := context.Background()
-	os.Exit(int(subcommands.Execute(ctx)))
-}