| // Copyright Istio Authors |
| // |
| // Licensed 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. |
| |
| package shellescape |
| |
| import ( |
| "regexp" |
| "strings" |
| ) |
| |
| var unsafeValue = regexp.MustCompile(`[^\\w@%+=:,./-]`) |
| |
| func Quote(s string) string { |
| // ported from https://github.com/chrissimpkins/shellescape/blob/master/lib/shellescape/main.py |
| if len(s) == 0 { |
| return "''" |
| } |
| |
| if unsafeValue.MatchString(s) { |
| return "'" + strings.ReplaceAll(s, "'", "'\"'\"'") + "'" |
| } |
| |
| return s |
| } |