github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/libraries/doltcore/ref/branchname.go (about) 1 // Copyright 2019 Dolthub, Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package ref 16 17 import ( 18 "regexp" 19 "strings" 20 ) 21 22 // The following list of patterns are all forbidden in a branch name. 23 var InvalidBranchNameRegex = regexp.MustCompile(strings.Join([]string{ 24 // Any appearance of a period, currently unsupported by noms layer 25 `[.*]`, 26 // Any appearance of the following characters: :, ?, [, \, ^, ~, SPACE, TAB, * 27 `:`, `\?`, `\[`, `\\`, `\^`, `~`, ` `, `\t`, `\*`, 28 // Any ASCII control character. 29 `[\x00-\x1f]`, `\x7f`, 30 // Any component ending with ".lock" 31 `\.lock\z`, `\.lock\/`, 32 // An exact name of "", "HEAD" or "-" 33 `\A\z`, `\AHEAD\z`, `\A-\z`, 34 // A name that looks exactly like a commit id 35 `\A[0-9a-v]{32}\z`, 36 // Any appearance of ".." or "@{" 37 `\.\.`, `@{`, 38 // Any empty component; that is, starting or ending with "/" or any appearance of "//" 39 `\/\/`, `\A\/`, `\/\z`, 40 }, "|")) 41 42 func IsValidBranchName(s string) bool { 43 return !InvalidBranchNameRegex.MatchString(s) 44 }