scorecard/cron/shuffle/main.go
Azeem Shaikh 9878c4e61e
Randomize the repos tested during release test (#1299)
Co-authored-by: Azeem Shaikh <azeems@google.com>
2021-11-18 17:04:07 +00:00

67 lines
1.5 KiB
Go

// Copyright 2021 Security Scorecard 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.
// Package main implements the PubSub controller.
package main
import (
"math/rand"
"os"
"strconv"
"time"
"github.com/ossf/scorecard/v3/cron/data"
)
func main() {
if len(os.Args) != 4 {
panic("must provide exactly 3 arguments")
}
n, err := strconv.Atoi(os.Args[1])
if err != nil {
panic(err)
}
inFile, err := os.OpenFile(os.Args[2], os.O_RDONLY, 0o644)
if err != nil {
panic(err)
}
iter, err := data.MakeIteratorFrom(inFile)
if err != nil {
panic(err)
}
outFile, err := os.OpenFile(os.Args[3], os.O_WRONLY|os.O_CREATE, 0o755)
if err != nil {
panic(err)
}
var repoURLs []data.RepoFormat
for iter.HasNext() {
repo, err := iter.Next()
if err != nil {
panic(err)
}
repoURLs = append(repoURLs, repo)
}
rand.Seed(time.Now().UnixNano())
rand.Shuffle(len(repoURLs), func(i, j int) {
repoURLs[i], repoURLs[j] = repoURLs[j], repoURLs[i]
})
if err := data.WriteTo(outFile, repoURLs[:n]); err != nil {
panic(err)
}
}