feat: version command respects verbose flag (#61)

cmd/root.go

@@ -58,7 +58,7 @@ func init() {
 // Environment Variables, command arguments and flags.
 func Execute() {
 	// Sets version to a string partially populated by compile-time flags.
-	root.Version = verboseVersion()
+	root.Version = version(verbose)
 
 	// Execute the root of the command tree.
 	if err := root.Execute(); err != nil {

cmd/version.go

@@ -2,7 +2,9 @@ package cmd
 
 import (
 	"fmt"
+	"strings"
 
+	"github.com/ory/viper"
 	"github.com/spf13/cobra"
 )
 
@@ -12,19 +14,19 @@ func init() {
 
 var versionCmd = &cobra.Command{
 	Use:   "version",
-	Short: "Print version",
-	Run:   version,
+	Short: "Print version.  With --verbose the build date stamp and commit hash are included if available.",
+	Run:   printVersion,
 }
 
-func version(cmd *cobra.Command, args []string) {
-	fmt.Println(verboseVersion())
+func printVersion(cmd *cobra.Command, args []string) {
+	fmt.Println(version(viper.GetBool("verbose")))
 }
 
 // Populated at build time by `make build`, plumbed through
 // main using SetMeta()
 var (
 	date string // datestamp
-	vers string // verstionof git commit or `tip`
+	vers string // version of git commit or `tip`
 	hash string // git hash built from
 )
 
@@ -35,12 +37,34 @@ func SetMeta(buildTimestamp, commitVersionTag, commitHash string) {
 	hash = commitHash
 }
 
-func verboseVersion() string {
-	// If building from source (i.e. from `go install` or `go build` directly,
-	// simply print 'v0.0.0-source`, a semver-valid version indicating no version
-	// number.  Otherwise print the verbose version populated during `make build`.
-	if vers == "" { // not statically populatd
-		return "v0.0.0-source"
+// return the version, optionally with verbose details as the suffix
+func version(verbose bool) string {
+	// If 'vers' is not a semver already, then the binary was built either
+	// from an untagged git commit (set semver to v0.0.0), or was built
+	// directly from source (set semver to v0.0.0-source).
+	if strings.HasPrefix(vers, "v") {
+		// Was built via make with a tagged commit
+		if verbose {
+			return fmt.Sprintf("%s-%s-%s", vers, hash, date)
+		} else {
+			return vers
+		}
+	} else if vers == "tip" {
+		// Was built via make from an untagged commit
+		vers = "v0.0.0"
+		if verbose {
+			return fmt.Sprintf("%s-%s-%s", vers, hash, date)
+		} else {
+			return vers
+		}
+	} else {
+		// Was likely built from source
+		vers = "v0.0.0"
+		hash = "source"
+		if verbose {
+			return fmt.Sprintf("%s-%s", vers, hash)
+		} else {
+			return vers
+		}
 	}
-	return fmt.Sprintf("%s-%s-%s", vers, date, hash)
 }