Merge pull request #5026 from MichaelEischer/fix-handling-invalid-filenames

cache: Fix handling of invalid filenames

cmd/restic/cmd_init_integration_test.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"context"
+	"os"
+	"path/filepath"
 	"testing"
 
 	"github.com/restic/restic/internal/repository"
@@ -16,6 +18,11 @@ func testRunInit(t testing.TB, opts GlobalOptions) {
 
 	rtest.OK(t, runInit(context.TODO(), InitOptions{}, opts, nil))
 	t.Logf("repository initialized at %v", opts.Repo)
+
+	// create temporary junk files to verify that restic does not trip over them
+	for _, path := range []string{"index", "snapshots", "keys", "locks", filepath.Join("data", "00")} {
+		rtest.OK(t, os.WriteFile(filepath.Join(opts.Repo, path, "tmp12345"), []byte("junk file"), 0o600))
+	}
 }
 
 func TestInitCopyChunkerParams(t *testing.T) {

cmd/restic/cmd_prune_integration_test.go

@@ -146,10 +146,9 @@ func TestPruneWithDamagedRepository(t *testing.T) {
 		env.gopts.backendTestHook = oldHook
 	}()
 	// prune should fail
-	rtest.Assert(t, withTermStatus(env.gopts, func(ctx context.Context, term *termstatus.Terminal) error {
+	rtest.Equals(t, repository.ErrPacksMissing, withTermStatus(env.gopts, func(ctx context.Context, term *termstatus.Terminal) error {
 		return runPrune(context.TODO(), pruneDefaultOptions, env.gopts, term)
-	}) == repository.ErrPacksMissing,
-		"prune should have reported index not complete error")
+	}), "prune should have reported index not complete error")
 }
 
 // Test repos for edge cases

cmd/restic/integration_test.go

@@ -80,7 +80,7 @@ func TestListOnce(t *testing.T) {
 	defer cleanup()
 
 	env.gopts.backendTestHook = func(r backend.Backend) (backend.Backend, error) {
-		return newListOnceBackend(r), nil
+		return newOrderedListOnceBackend(r), nil
 	}
 	pruneOpts := PruneOptions{MaxUnused: "0"}
 	checkOpts := CheckOptions{ReadData: true, CheckUnused: true}
@@ -148,7 +148,7 @@ func TestFindListOnce(t *testing.T) {
 	defer cleanup()
 
 	env.gopts.backendTestHook = func(r backend.Backend) (backend.Backend, error) {
-		return newListOnceBackend(r), nil
+		return newOrderedListOnceBackend(r), nil
 	}
 
 	testSetupBackupData(t, env)