1 files changed, 0 insertions, 192 deletions
diff --git a/tools/github/reviver/reviver.go b/tools/github/reviver/reviver.go
deleted file mode 100644
index 2af7f0d59..000000000
--- a/tools/github/reviver/reviver.go
+++ /dev/null
@@ -1,192 +0,0 @@
-// 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 reviver scans the code looking for TODOs and pass them to registered
-// Buggers to ensure TODOs point to active issues.
-package reviver
-
-import (
-	"bufio"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"regexp"
-	"sync"
-)
-
-// regexTodo matches a TODO or FIXME comment.
-var regexTodo = regexp.MustCompile(`(\/\/|#)\s*(TODO|FIXME)\(([a-zA-Z0-9.\/]+)\):\s*(.+)`)
-
-// Bugger interface is called for every TODO found in the code. If it can handle
-// the TODO, it must return true. If it returns false, the next Bugger is
-// called. If no Bugger handles the TODO, it's dropped on the floor.
-type Bugger interface {
-	Activate(todo *Todo) (bool, error)
-}
-
-// Location saves the location where the TODO was found.
-type Location struct {
-	Comment string
-	File    string
-	Line    uint
-}
-
-// Todo represents a unique TODO. There can be several TODOs pointing to the
-// same issue in the code. They are all grouped together.
-type Todo struct {
-	Issue     string
-	Locations []Location
-}
-
-// Reviver scans the given paths for TODOs and calls Buggers to handle them.
-type Reviver struct {
-	paths   []string
-	buggers []Bugger
-
-	mu    sync.Mutex
-	todos map[string]*Todo
-	errs  []error
-}
-
-// New create a new Reviver.
-func New(paths []string, buggers []Bugger) *Reviver {
-	return &Reviver{
-		paths:   paths,
-		buggers: buggers,
-		todos:   map[string]*Todo{},
-	}
-}
-
-// Run runs. It returns all errors found during processing, it doesn't stop
-// on errors.
-func (r *Reviver) Run() []error {
-	// Process each directory in parallel.
-	wg := sync.WaitGroup{}
-	for _, path := range r.paths {
-		wg.Add(1)
-		go func(path string) {
-			defer wg.Done()
-			r.processPath(path, &wg)
-		}(path)
-	}
-
-	wg.Wait()
-
-	r.mu.Lock()
-	defer r.mu.Unlock()
-
-	fmt.Printf("Processing %d TODOs (%d errors)...\n", len(r.todos), len(r.errs))
-	dropped := 0
-	for _, todo := range r.todos {
-		ok, err := r.processTodo(todo)
-		if err != nil {
-			r.errs = append(r.errs, err)
-		}
-		if !ok {
-			dropped++
-		}
-	}
-	fmt.Printf("Processed %d TODOs, %d were skipped (%d errors)\n", len(r.todos)-dropped, dropped, len(r.errs))
-
-	return r.errs
-}
-
-func (r *Reviver) processPath(path string, wg *sync.WaitGroup) {
-	fmt.Printf("Processing dir %q\n", path)
-	fis, err := ioutil.ReadDir(path)
-	if err != nil {
-		r.addErr(fmt.Errorf("error processing dir %q: %v", path, err))
-		return
-	}
-
-	for _, fi := range fis {
-		childPath := filepath.Join(path, fi.Name())
-		switch {
-		case fi.Mode().IsDir():
-			wg.Add(1)
-			go func() {
-				defer wg.Done()
-				r.processPath(childPath, wg)
-			}()
-
-		case fi.Mode().IsRegular():
-			file, err := os.Open(childPath)
-			if err != nil {
-				r.addErr(err)
-				continue
-			}
-
-			scanner := bufio.NewScanner(file)
-			lineno := uint(0)
-			for scanner.Scan() {
-				lineno++
-				line := scanner.Text()
-				if todo := r.processLine(line, childPath, lineno); todo != nil {
-					r.addTodo(todo)
-				}
-			}
-		}
-	}
-}
-
-func (r *Reviver) processLine(line, path string, lineno uint) *Todo {
-	matches := regexTodo.FindStringSubmatch(line)
-	if matches == nil {
-		return nil
-	}
-	if len(matches) != 5 {
-		panic(fmt.Sprintf("regex returned wrong matches for %q: %v", line, matches))
-	}
-	return &Todo{
-		Issue: matches[3],
-		Locations: []Location{
-			{
-				File:    path,
-				Line:    lineno,
-				Comment: matches[4],
-			},
-		},
-	}
-}
-
-func (r *Reviver) addTodo(newTodo *Todo) {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-
-	if todo := r.todos[newTodo.Issue]; todo == nil {
-		r.todos[newTodo.Issue] = newTodo
-	} else {
-		todo.Locations = append(todo.Locations, newTodo.Locations...)
-	}
-}
-
-func (r *Reviver) addErr(err error) {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-	r.errs = append(r.errs, err)
-}
-
-func (r *Reviver) processTodo(todo *Todo) (bool, error) {
-	for _, bugger := range r.buggers {
-		ok, err := bugger.Activate(todo)
-		if err != nil {
-			return false, err
-		}
-		if ok {
-			return true, nil
-		}
-	}
-	return false, nil
-}