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package archive
import (
"fmt"
"io"
"os"
"path"
"pault.ag/go/blobstore"
"pault.ag/go/debian/control"
"pault.ag/go/debian/deb"
)
type Pool struct {
Store blobstore.Store
}
func poolPrefix(source string) string {
return path.Join(source[0:1], source)
}
func (p Pool) Copy(path string) (*blobstore.Object, error) {
fd, err := os.Open(path)
if err != nil {
return nil, err
}
defer fd.Close()
writer, err := p.Store.Create()
if err != nil {
return nil, err
}
defer writer.Close()
if _, err := io.Copy(writer, fd); err != nil {
return nil, err
}
obj, err := p.Store.Commit(*writer)
if err != nil {
return nil, err
}
return obj, nil
}
func (p Pool) IncludeSources(dsc *control.DSC) (string, map[string]blobstore.Object, error) {
files := map[string]blobstore.Object{}
targetDir := path.Join("pool", poolPrefix(dsc.Source))
for _, file := range dsc.Files {
obj, err := p.Copy(file.Filename)
if err != nil {
return "", nil, err
}
localName := path.Base(file.Filename)
files[path.Join(targetDir, localName)] = *obj
}
obj, err := p.Copy(dsc.Filename)
if err != nil {
return "", nil, err
}
localName := path.Base(dsc.Filename)
files[path.Join(targetDir, localName)] = *obj
for path, object := range files {
if err := p.Store.Link(object, path); err != nil {
return "", nil, err
}
}
return targetDir, files, nil
}
func (p Pool) IncludeDeb(debFile *deb.Deb) (string, *blobstore.Object, error) {
obj, err := p.Copy(debFile.Path)
if err != nil {
return "", nil, err
}
debPath := path.Join(
"pool",
poolPrefix(debFile.Control.SourceName()),
fmt.Sprintf(
"%s_%s_%s.deb",
debFile.Control.Package,
debFile.Control.Version,
debFile.Control.Architecture,
),
)
return debPath, obj, p.Store.Link(*obj, debPath)
}
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