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