ref: 8e368e25b1cb6217c34f79165a181b7020772a7d
parent: 8cb435f1f4a4e93977a3586ec2e6438f126943cd
author: Joel Scoble <[email protected]>
date: Sun Oct 19 05:20:57 EDT 2014
540: add support for build information output to version command
--- a/commands/version.go
+++ b/commands/version.go
@@ -15,15 +15,84 @@
import (
"fmt"
+ "os"
+ "path"
+ "path/filepath"
+ "strings"
+ "time"
+ "bitbucket.org/kardianos/osext"
"github.com/spf13/cobra"
+ "github.com/spf13/viper"
)
+var timeLayout string // the layout for time.Time
+
+var (
+ commitHash string
+ buildDate string
+)
+
var version = &cobra.Command{Use: "version",
Short: "Print the version number of Hugo",
Long: `All software has versions. This is Hugo's`,
Run: func(cmd *cobra.Command, args []string) {- fmt.Println("Hugo Static Site Generator v0.13-DEV")+ InitializeConfig()
+ if buildDate == "" {+ setBuildDate() // set the build date from executable's mdate
+ } else {+ formatBuildDate() // format the compile time
+ }
+ if commitHash == "" {+ fmt.Printf("Hugo Static Site Generator v0.13-DEV buildDate: %s\n", buildDate)+ } else {+ fmt.Printf("Hugo Static Site Generator v0.13-DEV-%s buildDate: %s\n", strings.ToUpper(commitHash), buildDate)+ }
},
}
+
+// setBuildDate checks the ModTime of the Hugo executable and returns it as a
+// formatted string. This assumes that the executable name is Hugo, if it does
+// not exist, an empty string will be returned. This is only called if the
+// buildDate wasn't set during compile time.
+//
+// osext is used for cross-platform.
+func setBuildDate() {+ fname, _ := osext.Executable()
+ dir, err := filepath.Abs(filepath.Dir(fname))
+ if err != nil {+ fmt.Println(err)
+ return
+ }
+ fi, err := os.Lstat(path.Join(dir, "hugo"))
+ if err != nil {+ fmt.Println(err)
+ return
+ }
+ t := fi.ModTime()
+ buildDate = t.Format(getDateFormat())
+}
+
+// formatBuildDate formats the buildDate according to the value in
+// .Params.DateFormat, if it's set.
+func formatBuildDate() {+ t, _ := time.Parse("2006-01-02T15:04:05", buildDate)+ buildDate = t.Format(getDateFormat())
+}
+
+// getDateFormat gets the dateFormat value from Params. The dateFormat should
+// be a valid time layout. If it isn't set, time.RFC3339 is used.
+func getDateFormat() string {+ params := viper.Get("params")+ if params == nil {+ return time.RFC3339
+ }
+ parms := params.(map[interface{}]interface{})+ layout := parms["DateFormat"]
+ if layout == nil || layout == "" {+ return time.RFC3339
+ }
+ return layout.(string)
+}
+