Github bug reviver

For everyone's joy, this is a tool that reopens issues that
have been closed, but are still referenced by TODOs in the
code. The idea is to run it in Kokoro nightly. Kokoro changes
are coming up next.

PiperOrigin-RevId: 288789560

1 files changed, 89 insertions, 0 deletions

diff --git a/tools/issue_reviver/main.go b/tools/issue_reviver/main.go
new file mode 100644
index 000000000..4256f5a6c
--- /dev/null
+++ b/tools/issue_reviver/main.go
@@ -0,0 +1,89 @@
+// Copyright 2019 The gVisor 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 is the entry point for issue_reviver.
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	"gvisor.dev/gvisor/tools/issue_reviver/github"
+	"gvisor.dev/gvisor/tools/issue_reviver/reviver"
+)
+
+var (
+	owner     string
+	repo      string
+	tokenFile string
+	path      string
+	dryRun    bool
+)
+
+// Keep the options simple for now. Supports only a single path and repo.
+func init() {
+	flag.StringVar(&owner, "owner", "google", "Github project org/owner to look for issues")
+	flag.StringVar(&repo, "repo", "gvisor", "Github repo to look for issues")
+	flag.StringVar(&tokenFile, "oauth-token-file", "", "Path to file containing the OAUTH token to be used as credential to github")
+	flag.StringVar(&path, "path", "", "Path to scan for TODOs")
+	flag.BoolVar(&dryRun, "dry-run", false, "If set to true, no changes are made to issues")
+}
+
+func main() {
+	flag.Parse()
+
+	// Check for mandatory parameters.
+	if len(owner) == 0 {
+		fmt.Println("missing --owner option.")
+		flag.Usage()
+		os.Exit(1)
+	}
+	if len(repo) == 0 {
+		fmt.Println("missing --repo option.")
+		flag.Usage()
+		os.Exit(1)
+	}
+	if len(path) == 0 {
+		fmt.Println("missing --path option.")
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	// Token is passed as a file so it doesn't show up in command line arguments.
+	var token string
+	if len(tokenFile) != 0 {
+		bytes, err := ioutil.ReadFile(tokenFile)
+		if err != nil {
+			fmt.Println(err.Error())
+			os.Exit(1)
+		}
+		token = string(bytes)
+	}
+
+	bugger, err := github.NewBugger(token, owner, repo, dryRun)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "Error getting github issues:", err)
+		os.Exit(1)
+	}
+	rev := reviver.New([]string{path}, []reviver.Bugger{bugger})
+	if errs := rev.Run(); len(errs) > 0 {
+		fmt.Fprintf(os.Stderr, "Encountered %d errors:\n", len(errs))
+		for _, err := range errs {
+			fmt.Fprintf(os.Stderr, "\t%v\n", err)
+		}
+		os.Exit(1)
+	}
+}