mirror of
https://github.com/iLoveElysia/openbilibili.git
synced 2026-03-14 05:46:26 -05:00
92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
/*
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Copyright 2017 The Kubernetes 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 clonerefs
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import (
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"fmt"
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"strconv"
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"strings"
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"k8s.io/test-infra/prow/kube"
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)
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// ParseRefs parses a human-provided string into the repo
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// that should be cloned and the refs that need to be
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// checked out once it is. The format is:
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// org,repo=base-ref[:base-sha][,pull-id[:pull-sha[:pull-ref]]]...
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// For the base ref and pull IDs, a SHA may optionally be
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// provided or may be omitted for the latest available SHA.
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// Examples:
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// kubernetes,test-infra=master
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// kubernetes,test-infra=master:abcde12
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// kubernetes,test-infra=master:abcde12,34
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// kubernetes,test-infra=master:abcde12,34:fghij56
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// kubernetes,test-infra=master,34:fghij56
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// kubernetes,test-infra=master:abcde12,34:fghij56,78
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// gerrit,test-infra=master:abcde12,34:fghij56:refs/changes/00/123/1
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func ParseRefs(value string) (*kube.Refs, error) {
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gitRef := &kube.Refs{}
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values := strings.SplitN(value, "=", 2)
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if len(values) != 2 {
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return gitRef, fmt.Errorf("refspec %s invalid: does not contain '='", value)
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}
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info := values[0]
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allRefs := values[1]
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infoValues := strings.SplitN(info, ",", 2)
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if len(infoValues) != 2 {
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return gitRef, fmt.Errorf("refspec %s invalid: does not contain 'org,repo' as prefix", value)
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}
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gitRef.Org = infoValues[0]
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gitRef.Repo = infoValues[1]
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refValues := strings.Split(allRefs, ",")
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if len(refValues) == 1 && refValues[0] == "" {
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return gitRef, fmt.Errorf("refspec %s invalid: does not contain any refs", value)
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}
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baseRefParts := strings.Split(refValues[0], ":")
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if len(baseRefParts) != 1 && len(baseRefParts) != 2 {
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return gitRef, fmt.Errorf("refspec %s invalid: malformed base ref", refValues[0])
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}
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gitRef.BaseRef = baseRefParts[0]
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if len(baseRefParts) == 2 {
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gitRef.BaseSHA = baseRefParts[1]
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}
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for _, refValue := range refValues[1:] {
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refParts := strings.Split(refValue, ":")
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if len(refParts) == 0 || len(refParts) > 3 {
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return gitRef, fmt.Errorf("refspec %s invalid: malformed pull ref", refValue)
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}
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pullNumber, err := strconv.Atoi(refParts[0])
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if err != nil {
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return gitRef, fmt.Errorf("refspec %s invalid: pull request identifier not a number: %v", refValue, err)
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}
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pullRef := kube.Pull{
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Number: pullNumber,
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}
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if len(refParts) > 1 {
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pullRef.SHA = refParts[1]
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}
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if len(refParts) > 2 {
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pullRef.Ref = refParts[2]
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}
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gitRef.Pulls = append(gitRef.Pulls, pullRef)
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}
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return gitRef, nil
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}
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