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package.go
61 lines (52 loc) 路 1.08 KB
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package.go
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package apt
import (
"bytes"
"io"
"strings"
"github.com/btidor/src.codes/internal"
"github.com/btidor/src.codes/publisher/control"
"github.com/ulikunitz/xz"
)
type Package struct {
Source Source
Name string
Version string
Files []control.File
Directory string
}
func (p Package) Slug() string {
return p.Source.Slug() + "/" + p.Name
}
func FetchPackages(s Source) []Package {
// Download
buf1 := internal.DownloadFile(s.SourceIndex)
r, err := xz.NewReader(buf1)
if err != nil {
panic(err)
}
// Unzip
var buf2 bytes.Buffer
if _, err := io.Copy(&buf2, r); err != nil {
panic(err)
}
// Iterate
var packages []Package
for _, raw := range strings.Split(buf2.String(), "\n\n") {
if len(raw) == 0 {
// Extra whitespace, e.g at end of file
continue
}
m, err := control.Parse(raw)
if err != nil {
panic(err)
}
packages = append(packages, Package{
Source: s,
Name: m.GetString("Package"),
Version: m.GetString("Version"),
Files: m.GetFiles("Files"),
Directory: m.GetString("Directory"),
})
}
return packages
}