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branchname.go
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/
branchname.go
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// Copyright 2019 Dolthub, Inc.
//
// 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 ref
import (
"regexp"
"strings"
)
// The following list of patterns are all forbidden in a branch name.
var InvalidBranchNameRegex = regexp.MustCompile(strings.Join([]string{
// Any appearance of a period, currently unsupported by noms layer
`[.*]`,
// Any appearance of the following characters: :, ?, [, \, ^, ~, SPACE, TAB, *
`:`, `\?`, `\[`, `\\`, `\^`, `~`, ` `, `\t`, `\*`,
// Any ASCII control character.
`[\x00-\x1f]`, `\x7f`,
// Any component ending with ".lock"
`\.lock\z`, `\.lock\/`,
// An exact name of "", "HEAD" or "-"
`\A\z`, `\AHEAD\z`, `\A-\z`,
// A name that looks exactly like a commit id
`\A[0-9a-v]{32}\z`,
// Any appearance of ".." or "@{"
`\.\.`, `@{`,
// Any empty component; that is, starting or ending with "/" or any appearance of "//"
`\/\/`, `\A\/`, `\/\z`,
}, "|"))
func IsValidBranchName(s string) bool {
return !InvalidBranchNameRegex.MatchString(s)
}