offen/docker-volume-backup
2
0
Fork 0
mirror of https://github.com/offen/docker-volume-backup.git synced 2024-11-10 00:30:29 +01:00
Code Issues Packages Projects Releases Wiki Activity

exclude symlinks from candidates when pruning local files

Browse Source 
Previously, symlinks would be included in the set of candidates, but would
be skipped when pruning. This could lead to a wrong number of candidates
being printed in the log messages.
This commit is contained in:
Frederik Ring 2021-10-29 08:48:26 +02:00
parent 5245b5882f
commit f946f36fb0
1 changed files with 17 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
cmd/backup/main.go
View File

@ -503,17 +503,21 @@ func (s *script) pruneOldBackups() error {
}
if _, err := os.Stat(s.c.BackupArchive); !os.IsNotExist(err) {
candidates, err := filepath.Glob(
path.Join(s.c.BackupArchive, fmt.Sprintf("%s*", s.c.BackupPruningPrefix)),
globPattern := path.Join(
s.c.BackupArchive,
fmt.Sprintf("%s*", s.c.BackupPruningPrefix),
)
globMatches, err := filepath.Glob(globPattern)
if err != nil {
return fmt.Errorf(
"pruneOldBackups: error looking up matching files, starting with: %w", err,
"pruneOldBackups: error looking up matching files using pattern %s: %w",
globPattern,
err,
)
}
var matches []string
for _, candidate := range candidates {
var candidates []os.FileInfo
for _, candidate := range globMatches {
fi, err := os.Stat(candidate)
if err != nil {
return fmt.Errorf(
@ -522,8 +526,14 @@ func (s *script) pruneOldBackups() error {
err,
)
}
if fi.Mode() != os.ModeSymlink {
candidates = append(candidates, fi)
}
}
if fi.Mode() != os.ModeSymlink && fi.ModTime().Before(deadline) {
var matches []os.FileInfo
for _, candidate := range candidates {
if candidate.ModTime().Before(deadline) {
matches = append(matches, candidate)
}
}
@ -531,7 +541,7 @@ func (s *script) pruneOldBackups() error {
if len(matches) != 0 && len(matches) != len(candidates) {
var removeErrors []error
for _, candidate := range matches {
if err := os.Remove(candidate); err != nil {
if err := os.Remove(candidate.Name()); err != nil {
removeErrors = append(removeErrors, err)
}
}