Added build script and version command

internal/cli/root.go

@@ -42,6 +42,7 @@ schema patch in order, and generates Go structs from the result.`,
 	pf.BoolVarP(&opts.quiet, "quiet", "q", false, "don't print notes and warnings")
 
 	root.AddCommand(
+		newVersionCmd(),
 		newGenerateCmd(opts),
 		newResolveCmd(opts),
 		newSchemaCmd(opts),

internal/cli/version.go

@@ -0,0 +1,26 @@
+package cli
+
+import (
+	"fmt"
+
+	"git.avsdev.uk/Go/go-ocds/internal/version"
+	"github.com/spf13/cobra"
+)
+
+func newVersionCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "version",
+		Short: "Print version information",
+		Run: func(cmd *cobra.Command, args []string) {
+			fmt.Printf("ocdsgen - %s\n", version.Version)
+			if version.BuildTime != "unknown" {
+				fmt.Printf("Built: %s\n", version.BuildTime)
+			}
+			if version.GitCommit != "unknown" {
+				fmt.Printf("Commit: %s\n", version.GitCommit)
+			}
+		},
+	}
+
+	return cmd
+}

internal/version/version.go

@@ -0,0 +1,8 @@
+package version
+
+// Version information (set at build time with -ldflags)
+var (
+	Version   = "dev"
+	BuildTime = "unknown"
+	GitCommit = "unknown"
+)