540: add support for build information output to version command

This commit is contained in:
Joel Scoble 2014-10-19 09:20:57 -05:00 committed by spf13
parent 8cb435f1f4
commit 8e368e25b1

View file

@ -15,8 +15,22 @@ package commands
import ( import (
"fmt" "fmt"
"os"
"path"
"path/filepath"
"strings"
"time"
"bitbucket.org/kardianos/osext"
"github.com/spf13/cobra" "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{ var version = &cobra.Command{
@ -24,6 +38,61 @@ var version = &cobra.Command{
Short: "Print the version number of Hugo", Short: "Print the version number of Hugo",
Long: `All software has versions. This is Hugo's`, Long: `All software has versions. This is Hugo's`,
Run: func(cmd *cobra.Command, args []string) { 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)
}