chore: Externalize version & build information (#104)

* chore: Externalize version information

* Use full Git commit information

* Introduce short and long version information

* Typos

* More typos

1 files changed, 12 insertions, 2 deletions

diff --git a/cmd/main.go b/cmd/main.go
index f5958d9..e4bb9f7 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -170,15 +170,25 @@ func newRootCommand() error {
 
 // newVersionCommand implements "version" command
 func newVersionCommand() *cobra.Command {
+	var short bool
 	var versionCmd = &cobra.Command{
 		Use:   "version",
 		Short: "Display version information",
 		RunE: func(cmd *cobra.Command, args []string) error {
-			fmt.Printf("%s\n", version.Useragent())
+			if !short {
+				fmt.Printf("%s\n", version.Useragent())
+				fmt.Printf("  BuildDate: %s\n", version.BuildDate())
+				fmt.Printf("  GitCommit: %s\n", version.GitCommit())
+				fmt.Printf("  GoVersion: %s\n", version.GoVersion())
+				fmt.Printf("  GoCompiler: %s\n", version.GoCompiler())
+				fmt.Printf("  Platform: %s\n", version.GoPlatform())
+			} else {
+				fmt.Printf("%s\n", version.Version())
+			}
 			return nil
 		},
 	}
-
+	versionCmd.Flags().BoolVar(&short, "short", false, "show only the version number")
 	return versionCmd
 }