add json output

.goreleaser.yaml

@@ -34,7 +34,7 @@ builds:
     flags:
       - -trimpath
     ldflags:
-      - -s -w -X main.version={{ .Env.VERSION }}
+      - -s -w -X main.version={{ .Env.VERSION }} -X main.commit={{ .Env.COMMIT_SHA }}
   - id: bruin-linux-arm64
     binary: bruin
     main: ./
@@ -49,7 +49,7 @@ builds:
     flags:
       - -trimpath
     ldflags:
-      - -s -w -X main.version={{ .Env.VERSION }}"
+      - -s -w -X main.version={{ .Env.VERSION }} -X main.commit={{ .Env.COMMIT_SHA }}
   - id: bruin-windows-amd64
     binary: bruin
     main: ./
@@ -62,7 +62,7 @@ builds:
       - CXX=x86_64-w64-mingw32-g++
       - CGO_ENABLED=1
     ldflags:
-      - -s -w -X main.version={{ .Env.VERSION }}"
+      - -s -w -X main.version={{ .Env.VERSION }} -X main.commit={{ .Env.COMMIT_SHA }}
     flags:
       - -trimpath
       - -buildmode=exe

cmd/version.go

@@ -0,0 +1,59 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/pkg/errors"
+	"github.com/urfave/cli/v2"
+)
+
+func VersionCmd(commit string) *cli.Command {
+	return &cli.Command{
+		Name: "version",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:    "output",
+				Aliases: []string{"o"},
+				Usage:   "the output type, possible values are: plain, json",
+			},
+		},
+		Action: func(c *cli.Context) error {
+			outputFormat := c.String("output")
+			version := c.App.Version
+
+			res, err := http.Get("https://github.com/bruin-data/bruin/releases/latest") //nolint
+			defer res.Body.Close()                                                      //nolint
+			if err != nil {
+				return errors.Wrap(err, "failed to check the latest version")
+			}
+			latest := strings.TrimPrefix(res.Request.URL.String(), "https://github.com/bruin-data/bruin/releases/tag/")
+
+			if outputFormat == "json" {
+				output := struct {
+					Version string `json:"version"`
+					Commit  string `json:"commit"`
+					Latest  string `json:"latest"`
+				}{
+					Version: version,
+					Commit:  commit,
+					Latest:  latest,
+				}
+
+				outputString, err := json.Marshal(output)
+				if err != nil {
+					return errors.Wrap(err, "failed to marshal the output")
+				}
+				fmt.Println(string(outputString))
+
+				return nil
+			}
+
+			fmt.Printf("Current version: %s (%s)\n", c.App.Version, commit)
+			fmt.Println("Latest version: " + latest)
+			return nil
+		},
+	}
+}

main.go

@@ -2,15 +2,12 @@ package main
 
 import (
 	"fmt"
-	"net/http"
 	"os"
 	"runtime/debug"
-	"strings"
 	"time"
 
 	"github.com/bruin-data/bruin/cmd"
 	"github.com/fatih/color"
-	"github.com/pkg/errors"
 	"github.com/urfave/cli/v2"
 )
 
@@ -66,20 +63,7 @@ func main() {
 			cmd.Environments(&isDebug),
 			cmd.Connections(),
 			cmd.Fetch(),
-			&cli.Command{
-				Name: "version",
-				Action: func(c *cli.Context) error {
-					fmt.Printf("Current version: %s (%s)\n", c.App.Version, commit)
-					res, err := http.Get("https://github.com/bruin-data/bruin/releases/latest") //nolint
-					defer res.Body.Close()                                                      //nolint
-					if err != nil {
-						return errors.Wrap(err, "failed to check the latest version")
-					}
-
-					fmt.Println("Latest version: " + strings.TrimPrefix(res.Request.URL.String(), "https://github.com/bruin-data/bruin/releases/tag/"))
-					return nil
-				},
-			},
+			cmd.VersionCmd(commit),
 		},
 	}