/
main.go
120 lines (104 loc) · 2.82 KB
/
main.go
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package main
import (
"encoding/json"
"flag"
"fmt"
"log"
"net/http"
"os"
"os/exec"
"path"
"text/template"
)
const (
releasesURL = "https://www.kernel.org/releases.json"
)
var (
buildPath = flag.String("build-path", "cmd/amd64-build-kernel", "Build Package path")
urlTemplate = `
package main
// see https://www.kernel.org/releases.json
var latest = "{{ . }}"
`
)
func main() {
flag.Parse()
log.SetFlags(log.LstdFlags | log.Lshortfile)
// get latest stable release
r, err := http.Get(releasesURL)
if err != nil {
log.Fatal(err)
}
var resp ReleasesResponse
defer r.Body.Close()
if err := json.NewDecoder(r.Body).Decode(&resp); err != nil {
log.Fatal(err)
}
downloadURL := ""
for _, release := range resp.Releases {
if release.Version == resp.LatestStable.Version {
downloadURL = release.Source
break
}
}
// update gokr-build-kernel in development branch
d, err := os.Create(path.Join(*buildPath, "url.go"))
if err != nil {
log.Fatal(err)
}
defer d.Close()
t, err := template.New("url.go").Parse(urlTemplate)
if err != nil {
log.Fatal(err)
}
if err := t.ExecuteTemplate(d, "url.go", downloadURL); err != nil {
log.Fatal(err)
}
// commit it
if err := exec.Command("git", "checkout", "development").Run(); err != nil {
log.Fatal(err)
}
if err := exec.Command("git", "add", path.Join(*buildPath, "url.go")).Run(); err != nil {
log.Fatal(err)
}
if o, err := exec.Command("git", "commit", "-m", fmt.Sprintf("Upgrade to version %s", resp.LatestStable.Version)).CombinedOutput(); err != nil {
log.Println(string(o[:]))
log.Fatal(err)
}
if o, err := exec.Command("git", "push").CombinedOutput(); err != nil {
log.Println(string(o[:]))
log.Fatal(err)
}
if o, err := exec.Command("git", "checkout", "-B", fmt.Sprintf("build-%s", resp.LatestStable.Version)).CombinedOutput(); err != nil {
log.Println(string(o[:]))
log.Fatal(err)
}
fmt.Println("*********************************")
fmt.Println()
fmt.Printf("Execute `go run %s` to build the kernel\n", path.Join(path.Dir(*buildPath), "amd64-rebuild-kernel", "kernel.go"))
fmt.Println()
fmt.Println("*********************************")
}
type ReleasesResponse struct {
LatestStable struct {
Version string `json:"version"`
} `json:"latest_stable"`
Releases []struct {
Iseol bool `json:"iseol"`
Version string `json:"version"`
Moniker string `json:"moniker"`
Source string `json:"source"`
Pgp interface{} `json:"pgp"`
Released struct {
Timestamp int `json:"timestamp"`
Isodate string `json:"isodate"`
} `json:"released"`
Gitweb string `json:"gitweb"`
Changelog interface{} `json:"changelog"`
Diffview string `json:"diffview"`
Patch struct {
Full string `json:"full"`
Incremental string `json:"incremental"`
} `json:"patch"`
} `json:"releases"`
}