mirror of
https://github.com/Luzifer/nginx-sso.git
synced 2024-12-21 05:11:17 +00:00
97 lines
2.3 KiB
Go
97 lines
2.3 KiB
Go
// Copyright 2018, OpenCensus Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Command version checks that the version string matches the latest Git tag.
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// This is expected to pass only on the master branch.
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package main
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import (
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"bytes"
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"fmt"
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"log"
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"os"
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"os/exec"
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"sort"
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"strconv"
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"strings"
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opencensus "go.opencensus.io"
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)
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func main() {
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cmd := exec.Command("git", "tag")
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var buf bytes.Buffer
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cmd.Stdout = &buf
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err := cmd.Run()
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if err != nil {
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log.Fatal(err)
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}
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var versions []version
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for _, vStr := range strings.Split(buf.String(), "\n") {
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if len(vStr) == 0 {
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continue
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}
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// ignore pre-release versions
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if isPreRelease(vStr) {
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continue
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}
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versions = append(versions, parseVersion(vStr))
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}
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sort.Slice(versions, func(i, j int) bool {
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return versionLess(versions[i], versions[j])
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})
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latest := versions[len(versions)-1]
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codeVersion := parseVersion("v" + opencensus.Version())
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if !versionLess(latest, codeVersion) {
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fmt.Printf("exporter.Version is out of date with Git tags. Got %s; want something greater than %s\n", opencensus.Version(), latest)
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os.Exit(1)
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}
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fmt.Printf("exporter.Version is up-to-date: %s\n", opencensus.Version())
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}
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type version [3]int
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func versionLess(v1, v2 version) bool {
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for c := 0; c < 3; c++ {
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if diff := v1[c] - v2[c]; diff != 0 {
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return diff < 0
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}
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}
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return false
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}
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func isPreRelease(vStr string) bool {
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split := strings.Split(vStr[1:], ".")
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return strings.Contains(split[2], "-")
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}
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func parseVersion(vStr string) version {
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split := strings.Split(vStr[1:], ".")
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var (
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v version
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err error
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)
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for i := 0; i < 3; i++ {
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v[i], err = strconv.Atoi(split[i])
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if err != nil {
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fmt.Printf("Unrecognized version tag %q: %s\n", vStr, err)
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os.Exit(2)
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}
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}
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return v
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}
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func (v version) String() string {
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return fmt.Sprintf("%d.%d.%d", v[0], v[1], v[2])
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}
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