83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
"regexp"
|
|
"strings"
|
|
)
|
|
|
|
type Language struct {
|
|
Name string `json:"name,omitempty"`
|
|
Version string `json:"version,omitempty"`
|
|
}
|
|
|
|
type Languages struct {
|
|
Languages []Language `json:"languages"`
|
|
}
|
|
|
|
var versionRegex = regexp.MustCompile("([0-9]+\\.[0-9]+\\.[0-9]+)")
|
|
|
|
func updateVersions(){
|
|
f, err := os.Create("versions.json")
|
|
if err != nil {
|
|
log.Println(err)
|
|
return
|
|
}
|
|
defer f.Close()
|
|
langs, err := getVersions()
|
|
if err != nil {
|
|
log.Println(err)
|
|
return
|
|
}
|
|
res, err := json.Marshal(langs)
|
|
if err != nil {
|
|
log.Println(err)
|
|
return
|
|
}
|
|
f.Write(res)
|
|
}
|
|
|
|
// get all the language and their current version
|
|
func getVersions() ([]Language, error) {
|
|
var languages []Language
|
|
res, err := execVersionScript()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
languageInfo := strings.Split(res, "---")
|
|
for _, v := range languageInfo {
|
|
if len(v) < 2 {
|
|
continue
|
|
}
|
|
name, version := getVersion(v)
|
|
languages = append(languages, Language{
|
|
Name: name,
|
|
Version: version,
|
|
})
|
|
}
|
|
return languages, nil
|
|
}
|
|
|
|
// run the script that retrieves all the language versions
|
|
func execVersionScript() (string, error) {
|
|
fmt.Println("running script")
|
|
output := bytes.Buffer{}
|
|
cmd := exec.Command("../lcx/versions")
|
|
cmd.Stdout = &output
|
|
err := cmd.Run()
|
|
return strings.ToLower(output.String()), err
|
|
}
|
|
|
|
// return the language and its version
|
|
// most of the time it is easy to get the name and version
|
|
// but for some languages helper functions are used
|
|
func getVersion(s string) (string, string) {
|
|
lines := strings.Split(s, "\n")
|
|
return lines[1], versionRegex.FindString(lines[2])
|
|
}
|