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2236294119
Since Helm is going through breaking changes with Helm v4, the version path to Helm needs to be updated. Signed-off-by: Matt Farina <matt.farina@suse.com>
67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package cache provides a key generator for vcs urls.
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package cache // import "helm.sh/helm/v4/pkg/plugin/cache"
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import (
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"net/url"
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"regexp"
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"strings"
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)
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// Thanks glide!
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// scpSyntaxRe matches the SCP-like addresses used to access repos over SSH.
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var scpSyntaxRe = regexp.MustCompile(`^([a-zA-Z0-9_]+)@([a-zA-Z0-9._-]+):(.*)$`)
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// Key generates a cache key based on a url or scp string. The key is file
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// system safe.
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func Key(repo string) (string, error) {
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var (
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u *url.URL
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err error
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)
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if m := scpSyntaxRe.FindStringSubmatch(repo); m != nil {
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// Match SCP-like syntax and convert it to a URL.
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// Eg, "git@github.com:user/repo" becomes
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// "ssh://git@github.com/user/repo".
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u = &url.URL{
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User: url.User(m[1]),
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Host: m[2],
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Path: "/" + m[3],
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}
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} else {
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u, err = url.Parse(repo)
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if err != nil {
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return "", err
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}
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}
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var key strings.Builder
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if u.Scheme != "" {
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key.WriteString(u.Scheme)
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key.WriteString("-")
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}
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if u.User != nil && u.User.Username() != "" {
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key.WriteString(u.User.Username())
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key.WriteString("-")
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}
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key.WriteString(u.Host)
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if u.Path != "" {
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key.WriteString(strings.ReplaceAll(u.Path, "/", "-"))
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}
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return strings.ReplaceAll(key.String(), ":", "-"), nil
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}
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