85 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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Copyright 2015 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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    http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package commands
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import (
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	"errors"
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	"flag"
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	"fmt"
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	"github.com/google/git-appraise/commands/output"
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	"github.com/google/git-appraise/repository"
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	"github.com/google/git-appraise/review"
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	"strings"
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)
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var showFlagSet = flag.NewFlagSet("show", flag.ExitOnError)
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var (
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	showJSONOutput  = showFlagSet.Bool("json", false, "Format the output as JSON")
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	showDiffOutput  = showFlagSet.Bool("diff", false, "Show the current diff for the review")
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	showDiffOptions = showFlagSet.String("diff-opts", "", "Options to pass to the diff tool; can only be used with the --diff option")
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)
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// showReview prints the current code review.
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func showReview(repo repository.Repo, args []string) error {
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	showFlagSet.Parse(args)
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	args = showFlagSet.Args()
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	if *showDiffOptions != "" && !*showDiffOutput {
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		return errors.New("The --diff-opts flag can only be used if the --diff flag is set.")
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	}
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	var r *review.Review
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	var err error
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	if len(args) > 1 {
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		return errors.New("Only showing a single review is supported.")
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	}
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	if len(args) == 1 {
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		r, err = review.Get(repo, args[0])
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	} else {
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		r, err = review.GetCurrent(repo)
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	}
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	if err != nil {
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		return fmt.Errorf("Failed to load the review: %v\n", err)
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	}
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	if r == nil {
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		return errors.New("There is no matching review.")
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	}
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	if *showJSONOutput {
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		return output.PrintJSON(r)
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	}
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	if *showDiffOutput {
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		var diffArgs []string
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		if *showDiffOptions != "" {
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			diffArgs = strings.Split(*showDiffOptions, ",")
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		}
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		return output.PrintDiff(r, diffArgs...)
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	}
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	return output.PrintDetails(r)
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}
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// showCmd defines the "show" subcommand.
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var showCmd = &Command{
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	Usage: func(arg0 string) {
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		fmt.Printf("Usage: %s show [<option>...] [<commit>]\n\nOptions:\n", arg0)
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		showFlagSet.PrintDefaults()
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	},
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	RunMethod: func(repo repository.Repo, args []string) error {
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		return showReview(repo, args)
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	},
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}
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