| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| //go:build go1.19 |
| |
| package bufpluginexec |
| |
| import ( |
| "errors" |
| "os/exec" |
| ) |
| |
| // unsafeLookPath is a wrapper around exec.LookPath that restores the original |
| // pre-Go 1.19 behavior of resolving queries that would use relative PATH |
| // entries. We consider it acceptable for the use case of locating plugins. |
| // |
| // On Go 1.18 and below, this function is just a direct call to exec.LookPath. |
| // |
| // https://pkg.go.dev/os/exec#hdr-Executables_in_the_current_directory |
| func unsafeLookPath(file string) (string, error) { |
| path, err := exec.LookPath(file) |
| if errors.Is(err, exec.ErrDot) { |
| err = nil |
| } |
| return path, err |
| } |