Add goreleaser and version

.circleci/config.yml

@@ -1,4 +1,17 @@
-version: 2
+version: 2.1
+
+workflows:
+  version: 2
+  main:
+    jobs:
+      - test
+      - release:
+          filters:
+            branches:
+              ignore: /.*/
+            tags:
+              only: /v[0-9]+(\.[0-9]+)*(-.*)*/
+
 jobs:
   test:
     docker:
@@ -10,8 +23,11 @@ jobs:
       - run: make check
       - run: make test
 
-workflows:
-  version: 2
-  test:
-    jobs:
-      - test
+  release:
+    docker:
+      - image: cimg/go:1.19
+    resource_class: large
+    steps:
+      - checkout
+      - run: go install github.com/goreleaser/goreleaser@latest
+      - run: goreleaser

.gitignore

@@ -4,4 +4,4 @@ debug.test
 TODO
 profile.out
 /bin
-.idea
+/dist

.goreleaser.yaml

@@ -0,0 +1,19 @@
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+# vim: set ts=2 sw=2 tw=0 fo=cnqoj
+
+project_name: conflow
+
+release:
+  prerelease: auto
+  name_template: "conflow v{{.Version}}"
+
+builds:
+  - main: ./cmd/conflow
+    env:
+      - CGO_ENABLED=0
+    ldflags:
+      - -s -w -X github.com/conflowio/conflow/src/conflow.Version={{.Version}}
+    goos:
+      - linux
+      - darwin
+    mod_timestamp: '{{ .CommitTimestamp }}'

Makefile

@@ -1,9 +1,15 @@
 .DEFAULT_GOAL := help
 
+VERSION := $(shell git describe --tags --always --dirty --match "v[0-9]+(\.[0-9]+)*(-.*)*")
+
 .PHONY: help
 help: ## Show help
 	@cat $(MAKEFILE_LIST) | grep -E '^[a-zA-Z_-]+:.*?## .*$$' | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
+.PHONY: version
+version:
+	@echo "${VERSION}"
+
 .PHONY: test
 test: ## Runs all tests
 	@./test.sh
@@ -18,7 +24,7 @@ build: bin/conflow ## Build the conflow binary
 bin/conflow:
 	@echo "Building bin/conflow"
 	@go version
-	@GOBIN="$(PWD)/bin" go install -ldflags="-s -w" ./cmd/conflow/
+	GOBIN="$(PWD)/bin" go install -ldflags="-s -w -X github.com/conflowio/conflow/src/conflow.Version=${VERSION}" ./cmd/conflow/
 
 .PHONY: clean
 clean: ## Clean all built files

cmd/conflow/main.go

@@ -17,6 +17,7 @@ import (
 
 	"github.com/conflowio/conflow/cmd/conflow/generate"
 	"github.com/conflowio/conflow/cmd/conflow/openapi"
+	"github.com/conflowio/conflow/src/conflow"
 )
 
 func rootCommand() *cobra.Command {
@@ -26,17 +27,31 @@ func rootCommand() *cobra.Command {
 		Args:          cobra.NoArgs,
 		SilenceUsage:  true,
 		SilenceErrors: true,
+		Version:       conflow.Version,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return cmd.Help()
 		},
 	}
 
+	cmd.AddCommand(versionCmd())
 	cmd.AddCommand(generate.Command())
 	cmd.AddCommand(openapi.Command())
 
 	return cmd
 }
 
+func versionCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "version",
+		Short: "Returns the version number",
+		Args:  cobra.NoArgs,
+		Run: func(cmd *cobra.Command, args []string) {
+			cmd.Println(conflow.Version)
+		},
+	}
+	return cmd
+}
+
 func main() {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()

src/conflow/version.go

@@ -0,0 +1,9 @@
+// Copyright (c) 2017 Opsidian Ltd.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package conflow
+
+var Version = "v0.0.0"