forked from cloudfoundry-attic/garden-linux
/
archiver.go
111 lines (89 loc) · 1.94 KB
/
archiver.go
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package test_helper
import (
"archive/tar"
"archive/zip"
"compress/gzip"
"os"
. "github.com/onsi/gomega"
)
type ArchiveFile struct {
Name string
Body string
Mode int64
Dir bool
Link string
}
func CreateZipArchive(filename string, files []ArchiveFile) {
file, err := os.Create(filename)
Ω(err).ShouldNot(HaveOccurred())
w := zip.NewWriter(file)
for _, file := range files {
header := &zip.FileHeader{
Name: file.Name,
}
mode := file.Mode
if mode == 0 {
mode = 0777
}
if file.Link != "" {
header.SetMode(os.FileMode(mode) | os.ModeSymlink)
} else {
header.SetMode(os.FileMode(mode))
}
f, err := w.CreateHeader(header)
Ω(err).ShouldNot(HaveOccurred())
if file.Link != "" {
_, err = f.Write([]byte(file.Link))
} else {
_, err = f.Write([]byte(file.Body))
}
Ω(err).ShouldNot(HaveOccurred())
}
err = w.Close()
Ω(err).ShouldNot(HaveOccurred())
err = file.Close()
Ω(err).ShouldNot(HaveOccurred())
}
func CreateTarGZArchive(filename string, files []ArchiveFile) {
file, err := os.Create(filename)
Ω(err).ShouldNot(HaveOccurred())
gw := gzip.NewWriter(file)
w := tar.NewWriter(gw)
for _, file := range files {
var header *tar.Header
mode := file.Mode
if mode == 0 {
mode = 0777
}
if file.Dir {
header = &tar.Header{
Name: file.Name,
Mode: 0755,
Typeflag: tar.TypeDir,
}
} else if file.Link != "" {
header = &tar.Header{
Name: file.Name,
Typeflag: tar.TypeSymlink,
Linkname: file.Link,
Mode: file.Mode,
}
} else {
header = &tar.Header{
Name: file.Name,
Mode: mode,
Size: int64(len(file.Body)),
}
}
err := w.WriteHeader(header)
Ω(err).ShouldNot(HaveOccurred())
_, err = w.Write([]byte(file.Body))
Ω(err).ShouldNot(HaveOccurred())
}
err = w.Close()
Ω(err).ShouldNot(HaveOccurred())
err = gw.Close()
Ω(err).ShouldNot(HaveOccurred())
err = file.Close()
Ω(err).ShouldNot(HaveOccurred())
}