[github/fretlink/terraform-provider-statuscake.git] / vendor / github.com / hashicorp / go-getter / decompress_tgz.go

package getter

import (
	"compress/gzip"
	"fmt"
	"os"
	"path/filepath"
)

// TarGzipDecompressor is an implementation of Decompressor that can
// decompress tar.gzip files.
type TarGzipDecompressor struct{}

func (d *TarGzipDecompressor) Decompress(dst, src string, dir bool) error {
	// If we're going into a directory we should make that first
	mkdir := dst
	if !dir {
		mkdir = filepath.Dir(dst)
	}
	if err := os.MkdirAll(mkdir, 0755); err != nil {
		return err
	}

	// File first
	f, err := os.Open(src)
	if err != nil {
		return err
	}
	defer f.Close()

	// Gzip compression is second
	gzipR, err := gzip.NewReader(f)
	if err != nil {
		return fmt.Errorf("Error opening a gzip reader for %s: %s", src, err)
	}
	defer gzipR.Close()

	return untar(gzipR, dst, src, dir)
}
Commit	Line	Data
bae9f6d2 JC	1	package getter
	2
	3	import (
bae9f6d2 JC	4	"compress/gzip"
bae9f6d2 JC	5	"fmt"
bae9f6d2 JC	6	"os"
	7	"path/filepath"
	8	)
	9
	10	// TarGzipDecompressor is an implementation of Decompressor that can
	11	// decompress tar.gzip files.
	12	type TarGzipDecompressor struct{}
	13
	14	func (d *TarGzipDecompressor) Decompress(dst, src string, dir bool) error {
	15	// If we're going into a directory we should make that first
	16	mkdir := dst
	17	if !dir {
	18	mkdir = filepath.Dir(dst)
	19	}
	20	if err := os.MkdirAll(mkdir, 0755); err != nil {
	21	return err
	22	}
	23
	24	// File first
	25	f, err := os.Open(src)
	26	if err != nil {
	27	return err
	28	}
	29	defer f.Close()
	30
	31	// Gzip compression is second
	32	gzipR, err := gzip.NewReader(f)
	33	if err != nil {
	34	return fmt.Errorf("Error opening a gzip reader for %s: %s", src, err)
	35	}
	36	defer gzipR.Close()
	37
15c0b25d	38	return untar(gzipR, dst, src, dir)
bae9f6d2	39	}