// Find diffs on given commits
//
// If commitish resolves to a single commit, the diff is performed
// between the commit and its parent.
// @return result.Result<*Diff, error>
func DiffCommits(repoPath, commitish string, contextLines uint32) result.Result {
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
commits := gg.ResolveCommits(repo, gg.ExpandCommitish(commitish))
return commits.FlatMap(func(commitRange interface{}) result.Result {
return diffCommits(repo, commitRange.(*gg.CommitRange), contextLines)
})
})
}
// Find comments in a commit range or on a single commit
// @return result.Result<[]*Comment, error>
func CommentsOnCommittish(repoPath string, committish string) result.Result {
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
resolution := gg.ResolveCommits(repo, committish)
return resolution.FlatMap(func(commitRange interface{}) result.Result {
return CommentsOnCommits(repo, commitRange.(*gg.CommitRange).Commits())
})
})
}
// Remove a comment from a commit
// @return result.Result<*Comment, error>
func DeleteComment(repoPath string, identifier string) result.Result {
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
return CommentByID(repo, identifier).FlatMap(func(c interface{}) result.Result {
comment := c.(*Comment)
comment.Deleted = true
return writeCommentToDisk(repo, comment)
})
})
}
// Finds all comments on a given commit
// @return result.Result<[]*Comment, error>
func CommentsOnCommit(repoPath string, commitHash string) result.Result {
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
hash := gg.ResolveSingleCommitHash(repo, commitHash)
return hash.FlatMap(func(commit interface{}) result.Result {
return gg.LookupCommit(repo, *(commit.(*string)))
}).FlatMap(func(commit interface{}) result.Result {
return commentsOnCommit(repo, commit.(*git.Commit))
})
})
}
// Update an existing comment with a new message
// @return result.Result<*Comment, error>
func UpdateComment(repoPath, identifier, committer, message string) result.Result {
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
return CommentByID(repo, identifier).FlatMap(func(c interface{}) result.Result {
comment := c.(*Comment)
return commentCommitter(repoPath, committer).FlatMap(func(committer interface{}) result.Result {
comment.Amend(message, committer.(*Person))
return writeCommentToDisk(repo, comment)
})
})
})
}
// Configure a remote to fetch and push comment changes by default
// @return result.Result<bool, error>
func ConfigureRemoteForComments(repoPath, remoteName string) result.Result {
return gg.WithRemote(repoPath, remoteName, func(remote *git.Remote) result.Result {
success := func(values ...interface{}) result.Result {
return result.NewSuccess(true)
}
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
pushRef := commentDefaultPush
fetchRef := fmt.Sprintf(commentDefaultFetch, remoteName)
return result.Combine(success, gg.AddPush(repo, remote, pushRef), gg.AddFetch(repo, remote, fetchRef))
})
})
}
// Check the version of git-comment in use against
// the version in use in the repository.
// @return result.Result<VersionStatus, error>
func VersionCheck(repoPath, toolVersion string) result.Result {
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
return readVersion(repo).Analysis(func(version interface{}) result.Result {
return compareVersion(toolVersion, version.(string))
}, func(err error) result.Result {
if git.IsErrorCode(err, git.ErrNotFound) {
return writeVersion(repo, toolVersion)
}
return result.NewFailure(err)
})
})
}
// Open or create a search index
// @return result.Result<bleve.Index, error>
func openIndex(repoPath string, ifSuccess func(*git.Repository, bleve.Index) result.Result) result.Result {
storage := filepath.Join(repoPath, gc.CommentStorageDir)
indexPath := filepath.Join(storage, indexFilePath)
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
os.Mkdir(storage, 0700)
success := func(index interface{}) result.Result {
return ifSuccess(repo, index.(bleve.Index))
}
return result.NewResult(bleve.Open(indexPath)).Analysis(success, func(err error) result.Result {
mapping := bleve.NewIndexMapping()
index := result.NewResult(bleve.New(indexPath, mapping))
return index.FlatMap(success)
})
})
}
// Create a new comment on a commit, optionally with a file and line
// @return result.Result<*string, error>
func CreateComment(repoPath, commit, author, message string, fileRef *FileRef) result.Result {
return gg.WithRepository(repoPath, func(repo *git.Repository) result.Result {
return validatedCommitForComment(repo, commit).FlatMap(func(hash interface{}) result.Result {
return commentAuthor(repoPath, author).FlatMap(func(author interface{}) result.Result {
return NewComment(message, *(hash).(*string), fileRef, author.(*Person))
}).FlatMap(func(value interface{}) result.Result {
comment := value.(*Comment)
success := writeCommentToDisk(repo, comment)
return success.FlatMap(func(value interface{}) result.Result {
return result.NewSuccess(comment.ID)
})
})
})
})
}