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delete.go
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/
delete.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package devhost
import (
"context"
"errors"
"io/fs"
"reflect"
"namespacelabs.dev/foundation/internal/fnerrors"
"namespacelabs.dev/foundation/internal/fnfs"
"namespacelabs.dev/foundation/internal/parsing"
)
// Delete deletes the devhost filename. We gracefully handle
// the case where the file does not exist and return errors
// only if we fail to remove a valid file.
func Delete(ctx context.Context, root *parsing.Root) error {
fsys := root.ReadWriteFS()
// Ignore if the devhost file is not found.
_, err := fsys.Open(DevHostFilename)
if errors.Is(err, fs.ErrNotExist) {
return nil
}
if rmfs, ok := fsys.(fnfs.WriteFS); ok {
return rmfs.Remove(DevHostFilename)
}
return fnerrors.BadInputError("workspace root is a non-writable filesystem of type %q", reflect.TypeOf(fsys))
}