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Add support for zstd compression (#249)

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Co-authored-by: Michal Middleton <jafa81@gmail.com>
This commit is contained in:
Michal Middleton
2023-08-19 12:20:13 -05:00
committed by GitHub
parent 1765b06835
commit 67e7288855
6 changed files with 195 additions and 74 deletions
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17
cmd/backup/script.go
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@@ -4,6 +4,7 @@
package main
import (
"bytes"
"context"
"errors"
"fmt"
@@ -89,6 +90,20 @@ func newScript() (*script, error) {
}
s.file = path.Join("/tmp", s.c.BackupFilename)
tmplFileName, tErr := template.New("extension").Parse(s.file)
if tErr != nil {
return nil, fmt.Errorf("newScript: unable to parse backup file extension template: %w", tErr)
}
var bf bytes.Buffer
if tErr := tmplFileName.Execute(&bf, map[string]string{
"Extension": fmt.Sprintf("tar.%s", s.c.BackupCompression),
}); tErr != nil {
return nil, fmt.Errorf("newScript: error executing backup file extension template: %w", tErr)
}
s.file = bf.String()
if s.c.BackupFilenameExpand {
s.file = os.ExpandEnv(s.file)
s.c.BackupLatestSymlink = os.ExpandEnv(s.c.BackupLatestSymlink)
@@ -454,7 +469,7 @@ func (s *script) createArchive() error {
return fmt.Errorf("createArchive: error walking filesystem tree: %w", err)
}
if err := createArchive(filesEligibleForBackup, backupSources, tarFile); err != nil {
if err := createArchive(filesEligibleForBackup, backupSources, tarFile, s.c.BackupCompression.String()); err != nil {
return fmt.Errorf("createArchive: error compressing backup folder: %w", err)
}