hugo/commands/version.go
bep 3273fce044 Refactor Hugo version
Put version handling into the helpers package so it can be used by many,
and split version and suffix to make it possible to calculate the next Hugo version.
2015-03-18 12:23:13 +01:00

76 lines
2.4 KiB
Go

// Copyright © 2013 Steve Francia <spf@spf13.com>.
//
// Licensed under the Simple Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://opensource.org/licenses/Simple-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package commands
import (
"fmt"
"os"
"path/filepath"
"strings"
"time"
"github.com/kardianos/osext"
"github.com/spf13/cobra"
"github.com/spf13/hugo/helpers"
"github.com/spf13/hugo/hugolib"
)
var timeLayout string // the layout for time.Time
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) {
if hugolib.BuildDate == "" {
setBuildDate() // set the build date from executable's mdate
} else {
formatBuildDate() // format the compile time
}
if hugolib.CommitHash == "" {
fmt.Printf("Hugo Static Site Generator v%s BuildDate: %s\n", helpers.HugoVersion(), hugolib.BuildDate)
} else {
fmt.Printf("Hugo Static Site Generator v%s-%s BuildDate: %s\n", helpers.HugoVersion(), strings.ToUpper(hugolib.CommitHash), hugolib.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
// hugolib.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(filepath.Join(dir, filepath.Base(fname)))
if err != nil {
fmt.Println(err)
return
}
t := fi.ModTime()
hugolib.BuildDate = t.Format(time.RFC3339)
}
// formatBuildDate formats the hugolib.BuildDate according to the value in
// .Params.DateFormat, if it's set.
func formatBuildDate() {
t, _ := time.Parse("2006-01-02T15:04:05-0700", hugolib.BuildDate)
hugolib.BuildDate = t.Format(time.RFC3339)
}