func diffRange(repo *git.Repository, commitRange *gg.CommitRange, contextLines uint32) result.Result {
return result.Combine(func(values ...interface{}) result.Result {
opts := values[2].(git.DiffOptions)
opts.ContextLines = contextLines
return result.NewResult(repo.DiffTreeToTree(
values[0].(*git.Tree),
values[1].(*git.Tree),
&opts))
}, commitTree(commitRange.Parent), commitTree(commitRange.Child), diffOptions())
}
// @return result.Result<*Diff, error>
func diffCommits(repo *git.Repository, commitRange *gg.CommitRange, contextLines uint32) result.Result {
comments := CommentsOnCommits(repo, commitRange.Commits())
diff := diffRange(repo, commitRange, contextLines)
return result.Combine(func(values ...interface{}) result.Result {
parentID := commitRange.Parent.Id().String()
childID := commitRange.Child.Id().String()
files := parseDiffForLines(values[0].(*git.Diff), values[1].(CommentSlice))
return result.NewSuccess(&Diff{files, parentID, childID})
}, diff, comments)
}
// @return result.Result<VersionStatus, error>
func compareVersion(toolVersion, repoVersion string) result.Result {
errorMsg := fmt.Sprintf(toolInvalidError, toolVersion, repoVersion)
invalidErr := result.NewFailure(errors.New(errorMsg))
vt := result.NewResult(semver.Make(toolVersion)).RecoverWith(invalidErr)
vr := result.NewResult(semver.Make(repoVersion)).RecoverWith(invalidErr)
return result.Combine(func(values ...interface{}) result.Result {
vt, vr := values[0].(semver.Version), values[1].(semver.Version)
return comparisonStatus(vt.Compare(vr))
}, vt, vr)
}
// 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))
})
})
}
// Finds all comments on an array of commits
// @return result.Result<[]*Comment, error>
func CommentsOnCommits(repo *git.Repository, commits []*git.Commit) result.Result {
results := make([]result.Result, len(commits))
for index, commit := range commits {
results[index] = commentsOnCommit(repo, commit)
}
return result.Combine(func(values ...interface{}) result.Result {
comments := make(CommentSlice, 0)
for _, list := range values {
for _, comment := range list.([]interface{}) {
comments = append(comments, comment.(*Comment))
}
}
sort.Stable(comments)
return result.NewSuccess(comments)
}, results...)
}
// @return result.Result<bool, error>
func IndexComments(repoPath string) result.Result {
return openIndex(repoPath, func(repo *git.Repository, index bleve.Index) result.Result {
results := make([]result.Result, 0)
batch := index.NewBatch()
return gg.CommentRefIterator(repo, func(ref *git.Reference) {
gc.CommentFromRef(repo, ref.Name()).FlatMap(func(c interface{}) result.Result {
comment := c.(*gc.Comment)
err := batch.Index(*comment.ID, commentIndex(comment))
results = append(results, gg.BoolResult(true, err))
return result.NewSuccess(true)
})
}).FlatMap(func(value interface{}) result.Result {
return result.Combine(func(values ...interface{}) result.Result {
return gg.BoolResult(true, index.Batch(batch))
}, results...)
})
})
}