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main.go
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main.go
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// Copyright 2019 CUE Authors
//
// 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.
// gentipredirect regenerates a simple Hugo markdown file that acts as a redirect
// to the @master module documentation root on pkg.go.dev
package main
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"os/exec"
"strings"
// imported for side effect of module being available in cache
_ "cuelang.org/go/pkg"
"golang.org/x/mod/semver"
)
func main() {
log.SetFlags(log.Lshortfile)
var cueVersion bytes.Buffer
cmd := exec.Command("go", "list", "-m", "-f={{.Version}}", "cuelang.org/go")
cmd.Stdout = &cueVersion
if err := cmd.Run(); err != nil {
log.Fatalf("failed to run %v; %v", strings.Join(cmd.Args, " "), err)
}
v := strings.TrimSpace(cueVersion.String())
if pr := semver.Prerelease(v); pr != "" {
// Assume it's a pseudoversion for now, i.e.
// v0.1.2-0.20200422131516-4d8d1547ac19 where pr is now
// -0.20200422131516-4d8d1547ac19
parts := strings.Split(pr, "-")
v = parts[2]
}
content := fmt.Sprintf(`---
type: redirect
redirectURL: https://github.com/cuelang/cue/blob/%v/doc/tutorial/kubernetes/README.md
---`, v)
const target = "kubernetes.md"
if err := ioutil.WriteFile(target, []byte(content), 0666); err != nil {
log.Fatalf("failed to write to %v; %v", target, err)
}
}