Files
proton-bridge/pkg/files/removal.go
Leander Beernaert 0d03f84711 fix(GODT-2963): Use multi error to report file removal errors
Do not abort removing files on first error. Collect errors and try to
remove as many as possible. This would cause some state files to not be
removed on windows.
2023-09-27 12:34:07 +02:00

84 lines
2.0 KiB
Go

// Copyright (c) 2023 Proton AG
//
// This file is part of Proton Mail Bridge.
//
// Proton Mail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Proton Mail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
// Package files provides standard filesystem operations.
package files
import (
"os"
"path/filepath"
"sort"
"strings"
"github.com/hashicorp/go-multierror"
)
type OpRemove struct {
targets []string
exceptions []string
}
func Remove(targets ...string) *OpRemove {
return &OpRemove{targets: targets}
}
func (op *OpRemove) Except(exceptions ...string) *OpRemove {
op.exceptions = exceptions
return op
}
func (op *OpRemove) Do() error {
var multiErr error
for _, target := range op.targets {
if err := remove(target, op.exceptions...); err != nil {
multiErr = multierror.Append(multiErr, err)
}
}
return multiErr
}
func remove(dir string, except ...string) error {
var toRemove []string
if err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
for _, exception := range except {
if path == exception || strings.HasPrefix(exception, path) || strings.HasPrefix(path, exception) {
return nil
}
}
toRemove = append(toRemove, path)
return nil
}); err != nil {
return err
}
sort.Sort(sort.Reverse(sort.StringSlice(toRemove)))
var multiErr error
for _, target := range toRemove {
if err := os.RemoveAll(target); err != nil {
multiErr = multierror.Append(multiErr, err)
}
}
return multiErr
}