55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
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// Copyright 2017 The Linux Foundation
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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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package main
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import (
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"strings"
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"text/template"
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specs "github.com/opencontainers/image-spec/specs-go"
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)
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var headerTemplate = template.Must(template.New("gen").Parse(`<title>image-spec {{.Version}}</title>
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<base href="https://raw.githubusercontent.com/opencontainers/image-spec/{{.Branch}}/">`))
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type Obj struct {
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Version string
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Branch string
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}
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func main() {
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obj := Obj{
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Version: specs.Version,
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Branch: specs.Version,
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}
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if strings.HasSuffix(specs.Version, "-dev") {
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cmd := exec.Command("git", "log", "-1", `--pretty=%H`, "HEAD")
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var out bytes.Buffer
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cmd.Stdout = &out
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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obj.Branch = strings.Trim(out.String(), " \n\r")
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}
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headerTemplate.Execute(os.Stdout, obj)
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}
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