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package main
import (
"bufio"
"io"
"net/http"
"os"
"path/filepath"
"time"
alpm "github.com/jguer/go-alpm"
)
//CreateAURList creates a new completion file
func createAURList(out *os.File) (err error) {
resp, err := http.Get(config.AURURL + "/packages.gz")
if err != nil {
return err
}
defer resp.Body.Close()
scanner := bufio.NewScanner(resp.Body)
scanner.Scan()
for scanner.Scan() {
out.WriteString(scanner.Text())
out.WriteString("\tAUR\n")
}
return nil
}
//CreatePackageList appends Repo packages to completion cache
func createRepoList(out *os.File) (err error) {
dbList, err := alpmHandle.SyncDbs()
if err != nil {
return
}
_ = dbList.ForEach(func(db alpm.Db) error {
_ = db.PkgCache().ForEach(func(pkg alpm.Package) error {
out.WriteString(pkg.Name())
out.WriteString("\t" + pkg.DB().Name() + "\n")
return nil
})
return nil
})
return nil
}
func updateCompletion(force bool) error {
path := filepath.Join(cacheHome, "completion.cache")
info, err := os.Stat(path)
if os.IsNotExist(err) || (config.CompletionInterval != -1 && time.Since(info.ModTime()).Hours() >= float64(config.CompletionInterval*24)) || force {
os.MkdirAll(filepath.Dir(path), 0755)
out, errf := os.Create(path)
if errf != nil {
return errf
}
if createAURList(out) != nil {
defer os.Remove(path)
}
erra := createRepoList(out)
out.Close()
return erra
}
return nil
}
// Complete provides completion info for shells
func complete(force bool) error {
path := filepath.Join(cacheHome, "completion.cache")
err := updateCompletion(force)
if err != nil {
return err
}
in, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE, 0644)
if err != nil {
return err
}
defer in.Close()
_, err = io.Copy(os.Stdout, in)
return err
}