yay/completions.go

102 lines
1.9 KiB
Go
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package main
import (
"bufio"
"fmt"
"io"
"net/http"
"os"
"path/filepath"
"time"
2017-08-04 09:26:53 +00:00
alpm "github.com/jguer/go-alpm"
)
//CreateAURList creates a new completion file
func createAURList(out *os.File, shell string) (err error) {
resp, err := http.Get("https://aur.archlinux.org/packages.gz")
if err != nil {
return err
}
defer resp.Body.Close()
scanner := bufio.NewScanner(resp.Body)
scanner.Scan()
for scanner.Scan() {
fmt.Print(scanner.Text())
out.WriteString(scanner.Text())
if shell == "fish" {
fmt.Print("\tAUR\n")
out.WriteString("\tAUR\n")
} else {
fmt.Print("\n")
out.WriteString("\n")
}
}
return nil
}
//CreatePackageList appends Repo packages to completion cache
func createRepoList(out *os.File, shell string) (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 {
fmt.Print(pkg.Name())
out.WriteString(pkg.Name())
if shell == "fish" {
fmt.Print("\t" + pkg.DB().Name() + "\n")
out.WriteString("\t" + pkg.DB().Name() + "\n")
} else {
fmt.Print("\n")
out.WriteString("\n")
}
return nil
})
return nil
})
return nil
}
// Complete provides completion info for shells
func complete(shell string) error {
var path string
if shell == "fish" {
path = filepath.Join(cacheHome, "aur_fish"+".cache")
} else {
path = filepath.Join(cacheHome, "aur_sh"+".cache")
}
info, err := os.Stat(path)
if os.IsNotExist(err) || time.Since(info.ModTime()).Hours() > 48 {
os.MkdirAll(filepath.Dir(path), 0755)
out, errf := os.Create(path)
if errf != nil {
return errf
}
if createAURList(out, shell) != nil {
defer os.Remove(path)
}
erra := createRepoList(out, shell)
out.Close()
return erra
}
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
}