Merge pull request #162 from helmfile/qtran/version-dev

on canary build, version should show "0.0.0-dev"

cmd/root.go

@@ -19,7 +19,7 @@ func RootCommand() *cli.App {
 	cliApp := cli.NewApp()
 	cliApp.Name = "helmfile"
 	cliApp.Usage = ""
-	cliApp.Version = version.Version
+	cliApp.Version = version.GetVersion()
 	cliApp.EnableBashCompletion = true
 	cliApp.Before = configureLogging
 	setRootCommandFlags(cliApp)

go.mod

@@ -32,6 +32,7 @@ require (
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
 	gopkg.in/yaml.v2 v2.4.0
+	gotest.tools v2.2.0+incompatible
 	k8s.io/apimachinery v0.23.4
 )
 

pkg/app/version/version.go

@@ -1,5 +1,28 @@
 // Package version is used to get the version of the Helmfile CLI.
 package version
 
+import "fmt"
+
 // Version is the version of Helmfile
 var Version string
+
+// Commit is the git revision
+var Commit string
+
+func GetVersion() string {
+	if Version == "" {
+		Version = "0.0.0-dev"
+	}
+	return Version
+}
+
+func GetCommit() string {
+	if Commit == "" {
+		Commit = "unknown_commit"
+	}
+	return Commit
+}
+
+func GetVersionWithCommit() string {
+	return fmt.Sprintf("%s-%s", GetVersion(), GetCommit())
+}

pkg/app/version/version_test.go

@@ -0,0 +1,38 @@
+package version
+
+import (
+	"testing"
+
+	"gotest.tools/assert"
+)
+
+func TestGetVersion(t *testing.T) {
+	current := Version
+	Version = ""
+	assert.Equal(t, "0.0.0-dev", GetVersion())
+	Version = "1.2.3"
+	assert.Equal(t, "1.2.3", GetVersion())
+	Version = current
+}
+
+func TestGetCommit(t *testing.T) {
+	current := Commit
+	Commit = ""
+	assert.Equal(t, "unknown_commit", GetCommit())
+	Commit = "abc123xyz"
+	assert.Equal(t, "abc123xyz", GetCommit())
+	Commit = current
+}
+
+func TestGetVersionWithCommit(t *testing.T) {
+	currentVersion := Version
+	currentCommit := Commit
+	Version = ""
+	Commit = ""
+	assert.Equal(t, "0.0.0-dev-unknown_commit", GetVersionWithCommit())
+	Version = "1.2.3"
+	Commit = "abc123xyz"
+	assert.Equal(t, "1.2.3-abc123xyz", GetVersionWithCommit())
+	Version = currentVersion
+	Commit = currentCommit
+}