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Merge pull request #1459 from restic/improve-s3-do-spaces

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Improve s3 backend for DigitalOcean Spaces
This commit is contained in:
Alexander Neumann 2017-12-01 21:51:30 +01:00
commit 0cedb3ac9f
2 changed files with 17 additions and 6 deletions
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8
cmd/restic/cleanup.go
View File

@ -25,16 +25,14 @@ func init() {
InstallSignalHandler()
}
// InstallSignalHandler listens for SIGINT and SIGPIPE, and triggers the cleanup handlers.
// InstallSignalHandler listens for SIGINT, and triggers the cleanup handlers.
func InstallSignalHandler() {
signal.Notify(cleanupHandlers.ch, syscall.SIGINT)
signal.Notify(cleanupHandlers.ch, syscall.SIGPIPE)
}
// SuspendSignalHandler removes the signal handler for SIGINT and SIGPIPE.
// SuspendSignalHandler removes the signal handler for SIGINT.
func SuspendSignalHandler() {
signal.Reset(syscall.SIGINT)
signal.Reset(syscall.SIGPIPE)
}
// AddCleanupHandler adds the function f to the list of cleanup handlers so
@ -69,7 +67,7 @@ func RunCleanupHandlers() {
cleanupHandlers.list = nil
}
// CleanupHandler handles the SIGINT and SIGPIPE signals.
// CleanupHandler handles the SIGINT signals.
func CleanupHandler(c <-chan os.Signal) {
for s := range c {
debug.Log("signal %v received, cleaning up", s)

15
internal/backend/backend_retry.go
View File

@ -7,6 +7,7 @@ import (
"time"
"github.com/cenkalti/backoff"
"github.com/restic/restic/internal/debug"
"github.com/restic/restic/internal/errors"
"github.com/restic/restic/internal/restic"
)
@ -65,7 +66,19 @@ func (be *RetryBackend) Save(ctx context.Context, h restic.Handle, rd io.Reader)
return err
}
return be.Backend.Save(ctx, h, rd)
err = be.Backend.Save(ctx, h, rd)
if err == nil {
return nil
}
debug.Log("Save(%v) failed with error, removing file: %v", h, err)
rerr := be.Remove(ctx, h)
if rerr != nil {
debug.Log("Remove(%v) returned error: %v", h, err)
}
// return original error
return err
})
}