feat(third_party): Check in git-appraise

third_party/go/git-appraise/commands/list.go

@@ -0,0 +1,74 @@
+/*
+Copyright 2015 Google Inc. All rights reserved.
+
+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 commands
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"github.com/google/git-appraise/commands/output"
+	"github.com/google/git-appraise/repository"
+	"github.com/google/git-appraise/review"
+)
+
+var listFlagSet = flag.NewFlagSet("list", flag.ExitOnError)
+
+var (
+	listAll        = listFlagSet.Bool("a", false, "List all reviews (not just the open ones).")
+	listJSONOutput = listFlagSet.Bool("json", false, "Format the output as JSON")
+)
+
+// listReviews lists all extant reviews.
+// TODO(ojarjur): Add more flags for filtering the output (e.g. filtering by reviewer or status).
+func listReviews(repo repository.Repo, args []string) error {
+	listFlagSet.Parse(args)
+	var reviews []review.Summary
+	if *listAll {
+		reviews = review.ListAll(repo)
+		if !*listJSONOutput {
+			fmt.Printf("Loaded %d reviews:\n", len(reviews))
+		}
+	} else {
+		reviews = review.ListOpen(repo)
+		if !*listJSONOutput {
+			fmt.Printf("Loaded %d open reviews:\n", len(reviews))
+		}
+	}
+	if *listJSONOutput {
+		b, err := json.MarshalIndent(reviews, "", "  ")
+		if err != nil {
+			return err
+		}
+		fmt.Println(string(b))
+		return nil
+	}
+	for _, r := range reviews {
+		output.PrintSummary(&r)
+	}
+	return nil
+}
+
+// listCmd defines the "list" subcommand.
+var listCmd = &Command{
+	Usage: func(arg0 string) {
+		fmt.Printf("Usage: %s list [<option>...]\n\nOptions:\n", arg0)
+		listFlagSet.PrintDefaults()
+	},
+	RunMethod: func(repo repository.Repo, args []string) error {
+		return listReviews(repo, args)
+	},
+}