1 files changed, 0 insertions, 266 deletions
diff --git a/third_party/go/git-appraise/review/comment/comment.go b/third_party/go/git-appraise/review/comment/comment.go
deleted file mode 100644
index b1dea49c13e4..000000000000
--- a/third_party/go/git-appraise/review/comment/comment.go
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
-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 comment defines the internal representation of a review comment.
-package comment
-
-import (
-	"crypto/sha1"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"strconv"
-	"strings"
-	"time"
-
-	"github.com/google/git-appraise/repository"
-	"github.com/google/git-appraise/review/gpg"
-)
-
-// Ref defines the git-notes ref that we expect to contain review comments.
-const Ref = "refs/notes/devtools/discuss"
-
-// FormatVersion defines the latest version of the comment format supported by the tool.
-const FormatVersion = 0
-
-// ErrInvalidRange inidcates an error during parsing of a user-defined file
-// range
-var ErrInvalidRange = errors.New("invalid file location range. The required form is StartLine[+StartColumn][:EndLine[+EndColumn]]. The first line in a file is considered to be line 1")
-
-// Range represents the range of text that is under discussion.
-type Range struct {
-	StartLine   uint32 `json:"startLine"`
-	StartColumn uint32 `json:"startColumn,omitempty"`
-	EndLine     uint32 `json:"endLine,omitempty"`
-	EndColumn   uint32 `json:"endColumn,omitempty"`
-}
-
-// Location represents the location of a comment within a commit.
-type Location struct {
-	Commit string `json:"commit,omitempty"`
-	// If the path is omitted, then the comment applies to the entire commit.
-	Path string `json:"path,omitempty"`
-	// If the range is omitted, then the location represents an entire file.
-	Range *Range `json:"range,omitempty"`
-}
-
-// Check verifies that this location is valid in the provided
-// repository.
-func (location *Location) Check(repo repository.Repo) error {
-	contents, err := repo.Show(location.Commit, location.Path)
-	if err != nil {
-		return err
-	}
-	lines := strings.Split(contents, "\n")
-	if location.Range.StartLine > uint32(len(lines)) {
-		return fmt.Errorf("Line number %d does not exist in file %q",
-			location.Range.StartLine,
-			location.Path)
-	}
-	if location.Range.StartColumn != 0 &&
-		location.Range.StartColumn > uint32(len(lines[location.Range.StartLine-1])) {
-		return fmt.Errorf("Line %d in %q is too short for column %d",
-			location.Range.StartLine,
-			location.Path,
-			location.Range.StartColumn)
-	}
-	if location.Range.EndLine != 0 &&
-		location.Range.EndLine > uint32(len(lines)) {
-		return fmt.Errorf("End line number %d does not exist in file %q",
-			location.Range.EndLine,
-			location.Path)
-	}
-	if location.Range.EndColumn != 0 &&
-		location.Range.EndColumn > uint32(len(lines[location.Range.EndLine-1])) {
-		return fmt.Errorf("End line %d in %q is too short for column %d",
-			location.Range.EndLine,
-			location.Path,
-			location.Range.EndColumn)
-	}
-	return nil
-}
-
-// Comment represents a review comment, and can occur in any of the following contexts:
-// 1. As a comment on an entire commit.
-// 2. As a comment about a specific file in a commit.
-// 3. As a comment about a specific line in a commit.
-// 4. As a response to another comment.
-type Comment struct {
-	// Timestamp and Author are optimizations that allows us to display comment threads
-	// without having to run git-blame over the notes object. This is done because
-	// git-blame will become more and more expensive as the number of code reviews grows.
-	Timestamp string `json:"timestamp,omitempty"`
-	Author    string `json:"author,omitempty"`
-	// If original is provided, then the comment is an updated version of another comment.
-	Original string `json:"original,omitempty"`
-	// If parent is provided, then the comment is a response to another comment.
-	Parent string `json:"parent,omitempty"`
-	// If location is provided, then the comment is specific to that given location.
-	Location    *Location `json:"location,omitempty"`
-	Description string    `json:"description,omitempty"`
-	// The resolved bit indicates that no further action is needed.
-	//
-	// When the parent of the comment is another comment, this means that comment
-	// has been addressed. Otherwise, the parent is the commit, and this means that the
-	// change has been accepted. If the resolved bit is unset, then the comment is only an FYI.
-	Resolved *bool `json:"resolved,omitempty"`
-	// Version represents the version of the metadata format.
-	Version int `json:"v,omitempty"`
-
-	gpg.Sig
-}
-
-// New returns a new comment with the given description message.
-//
-// The Timestamp and Author fields are automatically filled in with the current time and user.
-func New(author string, description string) Comment {
-	return Comment{
-		Timestamp:   strconv.FormatInt(time.Now().Unix(), 10),
-		Author:      author,
-		Description: description,
-	}
-}
-
-// Parse parses a review comment from a git note.
-func Parse(note repository.Note) (Comment, error) {
-	bytes := []byte(note)
-	var comment Comment
-	err := json.Unmarshal(bytes, &comment)
-	return comment, err
-}
-
-// ParseAllValid takes collection of git notes and tries to parse a review
-// comment from each one. Any notes that are not valid review comments get
-// ignored, as we expect the git notes to be a heterogenous list, with only
-// some of them being review comments.
-func ParseAllValid(notes []repository.Note) map[string]Comment {
-	comments := make(map[string]Comment)
-	for _, note := range notes {
-		comment, err := Parse(note)
-		if err == nil && comment.Version == FormatVersion {
-			hash, err := comment.Hash()
-			if err == nil {
-				comments[hash] = comment
-			}
-		}
-	}
-	return comments
-}
-
-func (comment Comment) serialize() ([]byte, error) {
-	if len(comment.Timestamp) < 10 {
-		// To make sure that timestamps from before 2001 appear in the correct
-		// alphabetical order, we reformat the timestamp to be at least 10 characters
-		// and zero-padded.
-		time, err := strconv.ParseInt(comment.Timestamp, 10, 64)
-		if err == nil {
-			comment.Timestamp = fmt.Sprintf("%010d", time)
-		}
-		// We ignore the other case, as the comment timestamp is not in a format
-		// we expected, so we should just leave it alone.
-	}
-	return json.Marshal(comment)
-}
-
-// Write writes a review comment as a JSON-formatted git note.
-func (comment Comment) Write() (repository.Note, error) {
-	bytes, err := comment.serialize()
-	return repository.Note(bytes), err
-}
-
-// Hash returns the SHA1 hash of a review comment.
-func (comment Comment) Hash() (string, error) {
-	bytes, err := comment.serialize()
-	return fmt.Sprintf("%x", sha1.Sum(bytes)), err
-}
-
-// Set implenents flag.Value for the Range type
-func (r *Range) Set(s string) error {
-	var err error
-	*r = Range{}
-
-	if s == "" {
-		return nil
-	}
-	startEndParts := strings.Split(s, ":")
-	if len(startEndParts) > 2 {
-		return ErrInvalidRange
-	}
-
-	r.StartLine, r.StartColumn, err = parseRangePart(startEndParts[0])
-	if err != nil {
-		return err
-	}
-	if len(startEndParts) == 1 {
-		return nil
-	}
-
-	r.EndLine, r.EndColumn, err = parseRangePart(startEndParts[1])
-	if err != nil {
-		return err
-	}
-
-	if r.StartLine > r.EndLine {
-		return errors.New("start line cannot be greater than end line in range")
-	}
-
-	return nil
-}
-
-func parseRangePart(s string) (uint32, uint32, error) {
-	parts := strings.Split(s, "+")
-	if len(parts) > 2 {
-		return 0, 0, ErrInvalidRange
-	}
-
-	line, err := strconv.ParseUint(parts[0], 10, 32)
-	if err != nil {
-		return 0, 0, ErrInvalidRange
-	}
-
-	if len(parts) == 1 {
-		return uint32(line), 0, nil
-	}
-
-	col, err := strconv.ParseUint(parts[1], 10, 32)
-	if err != nil {
-		return 0, 0, ErrInvalidRange
-	}
-
-	if line == 0 && col != 0 {
-		// line 0 represents the entire file
-		return 0, 0, ErrInvalidRange
-	}
-
-	return uint32(line), uint32(col), nil
-}
-
-func (r *Range) String() string {
-	out := ""
-	if r.StartLine != 0 {
-		out = fmt.Sprintf("%d", r.StartLine)
-	}
-	if r.StartColumn != 0 {
-		out = fmt.Sprintf("%s+%d", out, r.StartColumn)
-	}
-	if r.EndLine != 0 {
-		out = fmt.Sprintf("%s:%d", out, r.EndLine)
-	}
-	if r.EndColumn != 0 {
-		out = fmt.Sprintf("%s+%d", out, r.EndColumn)
-	}
-	return out
-}