mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-04 14:46:57 -05:00
12a1f914f4
* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1 * github.com/blevesearch/bleve v1.0.10 -> v1.0.12 * editorconfig-core-go v2.1.1 -> v2.3.7 * github.com/gliderlabs/ssh v0.2.2 -> v0.3.1 * migrate editorconfig.ParseBytes to Parse * github.com/shurcooL/vfsgen to 0d455de96546 * github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0 * github.com/google/uuid v1.1.1 -> v1.1.2 * github.com/huandu/xstrings v1.3.0 -> v1.3.2 * github.com/klauspost/compress v1.10.11 -> v1.11.1 * github.com/markbates/goth v1.61.2 -> v1.65.0 * github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4 * github.com/mholt/archiver v3.3.0 -> v3.3.2 * github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4 * github.com/minio/minio-go v7.0.4 -> v7.0.5 * github.com/olivere/elastic v7.0.9 -> v7.0.20 * github.com/urfave/cli v1.20.0 -> v1.22.4 * github.com/prometheus/client_golang v1.1.0 -> v1.8.0 * github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1 * mvdan.cc/xurls v2.1.0 -> v2.2.0 Co-authored-by: Lauris BH <lauris@nix.lv>
77 lines
1.6 KiB
Go
Vendored
77 lines
1.6 KiB
Go
Vendored
package archiver
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"path/filepath"
|
|
|
|
"github.com/klauspost/compress/gzip"
|
|
"github.com/klauspost/pgzip"
|
|
)
|
|
|
|
// Gz facilitates gzip compression.
|
|
type Gz struct {
|
|
CompressionLevel int
|
|
SingleThreaded bool
|
|
}
|
|
|
|
// Compress reads in, compresses it, and writes it to out.
|
|
func (gz *Gz) Compress(in io.Reader, out io.Writer) error {
|
|
var w io.WriteCloser
|
|
var err error
|
|
if gz.SingleThreaded {
|
|
w, err = gzip.NewWriterLevel(out, gz.CompressionLevel)
|
|
} else {
|
|
w, err = pgzip.NewWriterLevel(out, gz.CompressionLevel)
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer w.Close()
|
|
_, err = io.Copy(w, in)
|
|
return err
|
|
}
|
|
|
|
// Decompress reads in, decompresses it, and writes it to out.
|
|
func (gz *Gz) Decompress(in io.Reader, out io.Writer) error {
|
|
var r io.ReadCloser
|
|
var err error
|
|
if gz.SingleThreaded {
|
|
r, err = gzip.NewReader(in)
|
|
} else {
|
|
r, err = pgzip.NewReader(in)
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer r.Close()
|
|
_, err = io.Copy(out, r)
|
|
return err
|
|
}
|
|
|
|
// CheckExt ensures the file extension matches the format.
|
|
func (gz *Gz) CheckExt(filename string) error {
|
|
if filepath.Ext(filename) != ".gz" {
|
|
return fmt.Errorf("filename must have a .gz extension")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (gz *Gz) String() string { return "gz" }
|
|
|
|
// NewGz returns a new, default instance ready to be customized and used.
|
|
func NewGz() *Gz {
|
|
return &Gz{
|
|
CompressionLevel: gzip.DefaultCompression,
|
|
}
|
|
}
|
|
|
|
// Compile-time checks to ensure type implements desired interfaces.
|
|
var (
|
|
_ = Compressor(new(Gz))
|
|
_ = Decompressor(new(Gz))
|
|
)
|
|
|
|
// DefaultGz is a default instance that is conveniently ready to use.
|
|
var DefaultGz = NewGz()
|