[milo] remove unused code.

milo/client/cmd/backfill/main.go

Index: milo/client/cmd/backfill/main.go
diff --git a/milo/client/cmd/backfill/main.go b/milo/client/cmd/backfill/main.go
deleted file mode 100644
index 213dffcab28c96642dcdcfe3f746246e45c491f4..0000000000000000000000000000000000000000
--- a/milo/client/cmd/backfill/main.go
+++ /dev/null
@@ -1,124 +0,0 @@
-// Copyright 2015 The LUCI Authors. All rights reserved.
-// Use of this source code is governed under the Apache License, Version 2.0
-// that can be found in the LICENSE file.
-
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-
-	"github.com/luci/gae/impl/prod"
-	log "github.com/luci/luci-go/common/logging"
-	"github.com/luci/luci-go/common/logging/gologger"
-	"github.com/luci/luci-go/milo/appengine/backend/git"
-	"github.com/luci/luci-go/milo/appengine/model"
-	"github.com/maruel/subcommands"
-	"golang.org/x/net/context"
-	// Imported so you can upload this as a "module" to app engine, and access
-	// the remote API.
-	_ "google.golang.org/appengine/remote_api"
-)
-
-var application = &subcommands.DefaultApplication{
-	Name:  "backfill",
-	Title: "Backfill Build and Revision data into the milo backend from various data sources.",
-	Commands: []*subcommands.Command{
-		gitCmd,
-		subcommands.CmdHelp,
-	},
-}
-
-func main() {
-	os.Exit(subcommands.Run(application, nil))
-}
-
-// commandRunBase is the base of all backfill subcommands. It defines the common
-// flags dryRun and remoteURL
-type commandRunBase struct {
-	subcommands.CommandRunBase
-	dryRun    bool
-	remoteURL string
-}
-
-func (c *commandRunBase) Init() {
-	c.Flags.StringVar(&c.remoteURL, "remote-url", "luci-milo.appspot.com", "the URL of the server to connect to via the remote API. Do NOT include the protocol (\"https://\")")
-	c.Flags.BoolVar(&c.dryRun, "dryrun", true, "if this run is a dryrun, and should make no modifications to the datastore.")
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Git
-
-var gitCmd = &subcommands.Command{
-	UsageLine: "git",
-
-	ShortDesc: "runs the local git backfiller",
-
-	LongDesc: "Runs the local git backfiller. Reads history from a local git repo and uploads revision info to cloud datastore at remoteURL.",
-
-	CommandRun: func() subcommands.CommandRun {
-		c := &cmdGitRun{}
-		c.Init()
-		c.Flags.StringVar(&c.gitLog, "git-log", "", "file containing output of git log --topo-order --reverse -z --format=format:'%H,%P,%ae,%ct,%b'")
-		c.Flags.StringVar(&c.repoURL, "repo-url", "", "the repo URL in the Revision entity group")
-		return c
-	},
-}
-
-type cmdGitRun struct {
-	commandRunBase
-	gitLog  string
-	repoURL string
-}
-
-func (c *cmdGitRun) Run(a subcommands.Application, args []string, _ subcommands.Env) int {
-	cfg := gologger.LoggerConfig{
-		Format: "%{message}",
-		Out:    os.Stdout,
-	}
-	ctx := cfg.Use(context.Background())
-
-	if c.gitLog == "" || c.remoteURL == "" || c.repoURL == "" {
-		log.Errorf(ctx, "Flags -git-log, -remote-url, and -repo-url must all be set.")
-		return 1
-	}
-
-	// We need a gae context even in --dry-run mode to get the repository datastore key.
-	if err := prod.UseRemote(&ctx, c.remoteURL, nil); err != nil {
-		log.Errorf(ctx, "%s (remote URL: %s)", err, c.remoteURL)
-		return 1
-	}
-
-	contents, err := ioutil.ReadFile(c.gitLog)
-	if err != nil {
-		log.Errorf(ctx, "%s", err)
-		return 1
-	}
-
-	revisions, err := git.GetRevisions(string(contents))
-	if err != nil {
-		log.Errorf(ctx, "%s", err)
-		return 1
-	}
-
-	for _, revision := range revisions {
-		revision.Repository = &model.GetRepository(ctx, c.repoURL).Key
-	}
-
-	if c.dryRun {
-		log.Infof(ctx, "Running in dry run mode, writing to stdout.")
-		for _, r := range revisions {
-			fmt.Printf("%+v\n", *r)
-		}
-		return 0
-	}
-
-	log.Infof(ctx, "Saving %d revisions.", len(revisions))
-	if err := git.SaveRevisions(ctx, revisions); err != nil {
-		log.Errorf(ctx, "%s", err)
-		return 1
-	}
-
-	return 0
-}