chore: move version params to a package (fabric8-analytics#45)

* chore: move version to a package

* releaser

* reducing redirection

* pkgs -> pkg

.goreleaser.yml

@@ -23,10 +23,10 @@ builds:
     - CGO_ENABLED=0 
     main: ./main.go
     ldflags: 
-      - -s -w -X github.com/fabric8-analytics/cli-tools/cmd.Version={{.Version}} 
-      - "-X 'github.com/fabric8-analytics/cli-tools/cmd.VendorInfo=Red Hat'"
-      - -X github.com/fabric8-analytics/cli-tools/cmd.Timestamp={{ .Timestamp }} 
-      - -X github.com/fabric8-analytics/cli-tools/cmd.CommitHash={{ .ShortCommit }}
+      - -s -w -X github.com/fabric8-analytics/cli-tools/pkg/version.version={{.Version}}
+      - "-X 'github.com/fabric8-analytics/cli-tools/pkg/version.vendorInfo=Red Hat'"
+      - -X github.com/fabric8-analytics/cli-tools/pkg/version.timestamp={{ .Timestamp }}
+      - -X github.com/fabric8-analytics/cli-tools/pkg/version.commitHash={{ .ShortCommit }}
     id: crda
     binary: crda
     goos:

Makefile

@@ -7,9 +7,9 @@ REPO=github.com/fabric8-analytics/cli-tools
 VERSION?=0.0.1
 EXPORT_RESULT?=false
 CGO_ENABLED:=0
-LDFLAGS +=-X ${REPO}/cmd.Timestamp=$(shell date +%s)
-LDFLAGS +=-X ${REPO}/cmd.Version=${VERSION}
-LDFLAGS +=-X ${REPO}/cmd.CommitHash=${GITCOMMIT}
+LDFLAGS +=-X ${REPO}/pkg/version.timestamp=$(shell date +%s)
+LDFLAGS +=-X ${REPO}/pkg/version.version=${VERSION}
+LDFLAGS +=-X ${REPO}/pkg/version.commitHash=${GITCOMMIT}
 
 GREEN  := $(shell tput -Txterm setaf 2)
 YELLOW := $(shell tput -Txterm setaf 3)

cmd/version.go

@@ -2,10 +2,8 @@ package cmd
 
 import (
 	"fmt"
-	"runtime"
-	"strconv"
-	"time"
 
+	"github.com/fabric8-analytics/cli-tools/pkg/version"
 	"github.com/spf13/cobra"
 )
 
@@ -17,42 +15,11 @@ var versionCmd = &cobra.Command{
 	Run:   getVersion,
 }
 
-// Version string populated by releaser Job
-var (
-	Version string = "0.0.0"
-	// commitHash contains the current Git revision.
-	CommitHash string = "abcd"
-	// Timestamp contains the UnixTimestamp of the binary build.
-	Timestamp string = "0"
-	// VendorInfo contains vendor notes about the current build.
-	VendorInfo string = "Local Build"
-)
-
 func init() {
 	rootCmd.AddCommand(versionCmd)
 }
 
-func getVersion(cmd *cobra.Command, args []string) {
-
-	version := "v" + Version
-	if CommitHash != "" {
-		version += "-" + CommitHash
-	}
-	osArch := runtime.GOOS + "/" + runtime.GOARCH
-
-	versionString := fmt.Sprintf("%s %s ",
-		version, osArch)
-
-	if Timestamp != "" {
-		i, err := strconv.ParseInt(Timestamp, 10, 64)
-		if err == nil {
-			tm := time.Unix(i, 0)
-			versionString += fmt.Sprintf(" BuildDate: %s", tm.Format(time.RFC1123))
-		}
-	}
-	if VendorInfo != "" {
-		versionString += fmt.Sprintf("  Vendor: %s", VendorInfo)
-	}
-
-	fmt.Println(versionString)
+func getVersion(_ *cobra.Command, args []string) {
+	version := version.BuildVersion()
+	fmt.Println(version)
 }

pkg/version/version.go

@@ -0,0 +1,46 @@
+package version
+
+import (
+	"fmt"
+	"runtime"
+	"strconv"
+	"time"
+)
+
+// Version string populated by releaser Job
+var (
+	// The current version of crda cli
+	version string = "0.0.0"
+
+	// commitHash contains the current Git revision.
+	commitHash string = "abcd"
+
+	// Timestamp contains the UnixTimestamp of the binary build.
+	timestamp string = "0"
+
+	// VendorInfo contains vendor notes about the current build.
+	vendorInfo string = "Local Build"
+)
+
+// GetCRDAVersion returns CRDA CLI Version
+func GetCRDAVersion() string {
+	return version
+}
+
+// BuildVersion builds version string for command output
+func BuildVersion() string {
+	version := "v" + version
+	version += "-" + commitHash
+	osArch := runtime.GOOS + "/" + runtime.GOARCH
+
+	versionString := fmt.Sprintf("%s %s ",
+		version, osArch)
+
+	i, err := strconv.ParseInt(timestamp, 10, 64)
+	if err == nil {
+		tm := time.Unix(i, 0)
+		versionString += fmt.Sprintf(" BuildDate: %s", tm.Format(time.RFC1123))
+	}
+	versionString += fmt.Sprintf("  Vendor: %s", vendorInfo)
+	return versionString
+}