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mirror of https://github.com/beego/bee.git synced 2024-11-25 15:00:55 +00:00
bee/version.go
Faissal Elamraoui b8250ebb72 New Bee banner
Added a new Bee banner using ASCII art. When bee is invoked,
the banner is displayed with the version number (short banner).
A More verbose Banner is added to 'bee version' which shows
more information about the host and Go runtime.
2016-06-01 14:30:29 +02:00

117 lines
2.2 KiB
Go

package main
import (
"bufio"
"fmt"
"io"
"os"
path "path/filepath"
"regexp"
"bytes"
)
var cmdVersion = &Command{
UsageLine: "version",
Short: "show the Bee, Beego and Go version",
Long: `
show the Bee, Beego and Go version
bee version
bee :1.2.3
beego :1.4.2
Go :go version go1.3.3 linux/amd64
`,
}
const verboseVersionBanner =
`______
| ___ \
| |_/ / ___ ___
| ___ \ / _ \ / _ \
| |_/ /| __/| __/
\____/ \___| \___| v{{ .BeeVersion }}
Beego : {{ .BeegoVersion }}
GoVersion : {{ .GoVersion }}
GOOS : {{ .GOOS }}
GOARCH : {{ .GOARCH }}
NumCPU : {{ .NumCPU }}
GOPATH : {{ .GOPATH }}
GOROOT : {{ .GOROOT }}
Compiler : {{ .Compiler }}
Date : {{ Now "Monday, 2 Jan 2006" }}
`
const shortVersionBanner =
`______
| ___ \
| |_/ / ___ ___
| ___ \ / _ \ / _ \
| |_/ /| __/| __/
\____/ \___| \___| v{{ .BeeVersion }}
`
func init() {
cmdVersion.Run = versionCmd
}
func versionCmd(cmd *Command, args []string) int {
ShowVerboseVersionBanner()
return 0
}
func ShowVerboseVersionBanner() {
InitBanner(os.Stdout, bytes.NewBufferString(verboseVersionBanner))
}
func ShowShortVersionBanner() {
InitBanner(os.Stdout, bytes.NewBufferString(shortVersionBanner))
}
func getBeegoVersion() string {
gopath := os.Getenv("GOPATH")
re, err := regexp.Compile(`VERSION = "([0-9.]+)"`)
if err != nil {
return ""
}
if gopath == "" {
err = fmt.Errorf("You should set GOPATH env variable")
return ""
}
wgopath := path.SplitList(gopath)
for _, wg := range wgopath {
wg, _ = path.EvalSymlinks(path.Join(wg, "src", "github.com", "astaxie", "beego"))
filename := path.Join(wg, "beego.go")
_, err := os.Stat(filename)
if err != nil {
if os.IsNotExist(err) {
continue
}
ColorLog("[ERRO] Get `beego.go` has error\n")
}
fd, err := os.Open(filename)
if err != nil {
ColorLog("[ERRO] Open `beego.go` has error\n")
continue
}
reader := bufio.NewReader(fd)
for {
byteLine, _, er := reader.ReadLine()
if er != nil && er != io.EOF {
return ""
}
if er == io.EOF {
break
}
line := string(byteLine)
s := re.FindStringSubmatch(line)
if len(s) >= 2 {
return s[1]
}
}
}
return "Beego not installed. Please install it first: https://github.com/astaxie/beego"
}