Command to print the current version of the binary

Part of #207

cmd/eval-dev-quality/cmd/command.go

@@ -9,6 +9,7 @@ import (
 type Command struct {
 	Evaluate     `command:"evaluate" description:"Run an evaluation, by default with all defined models, repositories and tasks."`
 	InstallTools `command:"install-tools" description:"Checks and installs all tools required for the evaluation benchmark."`
+	Version      `command:"version" description:"Display the version information of the binary."`
 }
 
 // Execute executes the root command.

cmd/eval-dev-quality/cmd/version.go

@@ -0,0 +1,31 @@
+package cmd
+
+import (
+	"github.com/symflower/eval-dev-quality/evaluate"
+	"github.com/symflower/eval-dev-quality/log"
+)
+
+// Version defines the "version" command.
+type Version struct {
+	// logger holds the logger of the command.
+	logger *log.Logger
+}
+
+var _ SetLogger = (*Version)(nil)
+
+// SetLogger sets the logger of the command.
+func (command *Version) SetLogger(logger *log.Logger) {
+	command.logger = logger
+}
+
+// Execute executes the command.
+func (command *Version) Execute(args []string) (err error) {
+	revision := evaluate.Revision
+	if evaluate.Revision == "" {
+		revision = "development"
+	}
+	command.logger.SetFlags(0) // Remove the timestamp and everything from the log output while still being able to test it.
+	command.logger.Printf("eval-dev-quality version %s - revision %s", evaluate.Version, revision)
+
+	return nil
+}

cmd/eval-dev-quality/cmd/version_test.go

@@ -0,0 +1,19 @@
+package cmd
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/symflower/eval-dev-quality/evaluate"
+	"github.com/symflower/eval-dev-quality/log"
+)
+
+func TestVersionExecute(t *testing.T) {
+	logOutput, logger := log.Buffer()
+
+	Execute(logger, []string{"version"})
+
+	expected := fmt.Sprintf("eval-dev-quality version %s - revision %s", evaluate.Version, "development")
+	assert.Contains(t, logOutput.String(), expected)
+}