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package fetcher
import (
"context"
"io"
"go.alanpearce.eu/searchix/internal/config"
"go.alanpearce.eu/searchix/internal/index"
"go.alanpearce.eu/x/log"
"gitlab.com/tozd/go/errors"
)
type FetchedFiles struct {
Revision io.ReadCloser
Options io.ReadCloser
Packages io.ReadCloser
}
type Fetcher interface {
FetchIfNeeded(context.Context, *index.SourceMeta) (*FetchedFiles, errors.E)
}
func New(
source *config.Source,
logger *log.Logger,
) (fetcher Fetcher, err errors.E) {
switch source.Fetcher {
case config.ChannelNixpkgs:
fetcher, err = NewNixpkgsChannelFetcher(source, logger)
case config.Channel:
fetcher, err = NewChannelFetcher(source, logger)
case config.Download:
fetcher, err = NewDownloadFetcher(source, logger)
default:
err = errors.Errorf("unsupported fetcher type %s", source.Fetcher.String())
}
return
}
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