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gitea-fork-majority-judgment/modules/git/repo_commit.go

461 lines
14 KiB

// Copyright 2015 The Gogs Authors. All rights reserved.
Improve listing performance by using go-git (#6478) * Use go-git for tree reading and commit info lookup. Signed-off-by: Filip Navara <navara@emclient.com> * Use TreeEntry.IsRegular() instead of ObjectType that was removed. Signed-off-by: Filip Navara <navara@emclient.com> * Use the treePath to optimize commit info search. Signed-off-by: Filip Navara <navara@emclient.com> * Extract the latest commit at treePath along with the other commits. Signed-off-by: Filip Navara <navara@emclient.com> * Fix listing commit info for a directory that was created in one commit and never modified after. Signed-off-by: Filip Navara <navara@emclient.com> * Avoid nearly all external 'git' invocations when doing directory listing (.editorconfig code path is still hit). Signed-off-by: Filip Navara <navara@emclient.com> * Use go-git for reading blobs. Signed-off-by: Filip Navara <navara@emclient.com> * Make SHA1 type alias for plumbing.Hash in go-git. Signed-off-by: Filip Navara <navara@emclient.com> * Make Signature type alias for object.Signature in go-git. Signed-off-by: Filip Navara <navara@emclient.com> * Fix GetCommitsInfo for repository with only one commit. Signed-off-by: Filip Navara <navara@emclient.com> * Fix PGP signature verification. Signed-off-by: Filip Navara <navara@emclient.com> * Fix issues with walking commit graph across merges. Signed-off-by: Filip Navara <navara@emclient.com> * Fix typo in condition. Signed-off-by: Filip Navara <navara@emclient.com> * Speed up loading branch list by keeping the repository reference (and thus all the loaded packfile indexes). Signed-off-by: Filip Navara <navara@emclient.com> * Fix lising submodules. Signed-off-by: Filip Navara <navara@emclient.com> * Fix build Signed-off-by: Filip Navara <navara@emclient.com> * Add back commit cache because of name-rev Signed-off-by: Filip Navara <navara@emclient.com> * Fix tests Signed-off-by: Filip Navara <navara@emclient.com> * Fix code style * Fix spelling * Address PR feedback Signed-off-by: Filip Navara <navara@emclient.com> * Update vendor module list Signed-off-by: Filip Navara <navara@emclient.com> * Fix getting trees by commit id Signed-off-by: Filip Navara <navara@emclient.com> * Fix remaining unit test failures * Fix GetTreeBySHA * Avoid running `git name-rev` if not necessary Signed-off-by: Filip Navara <navara@emclient.com> * Move Branch code to git module * Clean up GPG signature verification and fix it for tagged commits * Address PR feedback (import formatting, copyright headers) * Make blob lookup by SHA working * Update tests to use public API * Allow getting content from any type of object through the blob interface * Change test to actually expect the object content that is in the GIT repository * Change one more test to actually expect the object content that is in the GIT repository * Add comments
5 years ago
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package git
import (
"bytes"
"container/list"
"io"
"io/ioutil"
"strconv"
"strings"
)
// GetBranchCommitID returns last commit ID string of given branch.
func (repo *Repository) GetBranchCommitID(name string) (string, error) {
return repo.GetRefCommitID(BranchPrefix + name)
}
// GetTagCommitID returns last commit ID string of given tag.
func (repo *Repository) GetTagCommitID(name string) (string, error) {
return repo.GetRefCommitID(TagPrefix + name)
}
// ConvertToSHA1 returns a Hash object from a potential ID string
func (repo *Repository) ConvertToSHA1(commitID string) (SHA1, error) {
if len(commitID) == 40 {
sha1, err := NewIDFromString(commitID)
if err == nil {
return sha1, nil
}
}
actualCommitID, err := NewCommand("rev-parse", "--verify", commitID).RunInDir(repo.Path)
if err != nil {
if strings.Contains(err.Error(), "unknown revision or path") ||
strings.Contains(err.Error(), "fatal: Needed a single revision") {
return SHA1{}, ErrNotExist{commitID, ""}
}
return SHA1{}, err
}
return NewIDFromString(actualCommitID)
}
// GetCommit returns commit object of by ID string.
func (repo *Repository) GetCommit(commitID string) (*Commit, error) {
id, err := repo.ConvertToSHA1(commitID)
if err != nil {
return nil, err
}
return repo.getCommit(id)
}
// GetBranchCommit returns the last commit of given branch.
func (repo *Repository) GetBranchCommit(name string) (*Commit, error) {
commitID, err := repo.GetBranchCommitID(name)
if err != nil {
return nil, err
}
return repo.GetCommit(commitID)
}
// GetTagCommit get the commit of the specific tag via name
func (repo *Repository) GetTagCommit(name string) (*Commit, error) {
commitID, err := repo.GetTagCommitID(name)
if err != nil {
return nil, err
}
return repo.GetCommit(commitID)
}
func (repo *Repository) getCommitByPathWithID(id SHA1, relpath string) (*Commit, error) {
// File name starts with ':' must be escaped.
if relpath[0] == ':' {
relpath = `\` + relpath
}
stdout, err := NewCommand("log", "-1", prettyLogFormat, id.String(), "--", relpath).RunInDir(repo.Path)
if err != nil {
return nil, err
}
id, err = NewIDFromString(stdout)
if err != nil {
return nil, err
}
return repo.getCommit(id)
}
// GetCommitByPath returns the last commit of relative path.
func (repo *Repository) GetCommitByPath(relpath string) (*Commit, error) {
stdout, err := NewCommand("log", "-1", prettyLogFormat, "--", relpath).RunInDirBytes(repo.Path)
if err != nil {
return nil, err
}
commits, err := repo.parsePrettyFormatLogToList(stdout)
if err != nil {
return nil, err
}
return commits.Front().Value.(*Commit), nil
}
// CommitsRangeSize the default commits range size
var CommitsRangeSize = 50
// BranchesRangeSize the default branches range size
var BranchesRangeSize = 20
API add/generalize pagination (#9452) * paginate results * fixed deadlock * prevented breaking change * updated swagger * go fmt * fixed find topic * go mod tidy * go mod vendor with go1.13.5 * fixed repo find topics * fixed unit test * added Limit method to Engine struct; use engine variable when provided; fixed gitignore * use ItemsPerPage for default pagesize; fix GetWatchers, getOrgUsersByOrgID and GetStargazers; fix GetAllCommits headers; reverted some changed behaviors * set Page value on Home route * improved memory allocations * fixed response headers * removed logfiles * fixed import order * import order * improved swagger * added function to get models.ListOptions from context * removed pagesize diff on unit test * fixed imports * removed unnecessary struct field * fixed go fmt * scoped PR * code improvements * code improvements * go mod tidy * fixed import order * fixed commit statuses session * fixed files headers * fixed headers; added pagination for notifications * go mod tidy * go fmt * removed Private from user search options; added setting.UI.IssuePagingNum as default valeu on repo's issues list * Apply suggestions from code review Co-Authored-By: 6543 <6543@obermui.de> Co-Authored-By: zeripath <art27@cantab.net> * fixed build error * CI.restart() * fixed merge conflicts resolve * fixed conflicts resolve * improved FindTrackedTimesOptions.ToOptions() method * added backwards compatibility on ListReleases request; fixed issue tracked time ToSession * fixed build error; fixed swagger template * fixed swagger template * fixed ListReleases backwards compatibility * added page to user search route Co-authored-by: techknowlogick <matti@mdranta.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: zeripath <art27@cantab.net>
4 years ago
func (repo *Repository) commitsByRange(id SHA1, page, pageSize int) (*list.List, error) {
stdout, err := NewCommand("log", id.String(), "--skip="+strconv.Itoa((page-1)*pageSize),
"--max-count="+strconv.Itoa(pageSize), prettyLogFormat).RunInDirBytes(repo.Path)
if err != nil {
return nil, err
}
return repo.parsePrettyFormatLogToList(stdout)
}
func (repo *Repository) searchCommits(id SHA1, opts SearchCommitsOptions) (*list.List, error) {
// create new git log command with limit of 100 commis
cmd := NewCommand("log", id.String(), "-100", prettyLogFormat)
// ignore case
args := []string{"-i"}
// add authors if present in search query
if len(opts.Authors) > 0 {
for _, v := range opts.Authors {
args = append(args, "--author="+v)
}
}
// add commiters if present in search query
if len(opts.Committers) > 0 {
for _, v := range opts.Committers {
args = append(args, "--committer="+v)
}
}
// add time constraints if present in search query
if len(opts.After) > 0 {
args = append(args, "--after="+opts.After)
}
if len(opts.Before) > 0 {
args = append(args, "--before="+opts.Before)
}
// pretend that all refs along with HEAD were listed on command line as <commis>
// https://git-scm.com/docs/git-log#Documentation/git-log.txt---all
// note this is done only for command created above
if opts.All {
cmd.AddArguments("--all")
}
// add remaining keywords from search string
// note this is done only for command created above
if len(opts.Keywords) > 0 {
for _, v := range opts.Keywords {
cmd.AddArguments("--grep=" + v)
}
}
// search for commits matching given constraints and keywords in commit msg
cmd.AddArguments(args...)
stdout, err := cmd.RunInDirBytes(repo.Path)
if err != nil {
return nil, err
}
if len(stdout) != 0 {
stdout = append(stdout, '\n')
}
// if there are any keywords (ie not commiter:, author:, time:)
// then let's iterate over them
if len(opts.Keywords) > 0 {
for _, v := range opts.Keywords {
// ignore anything below 4 characters as too unspecific
if len(v) >= 4 {
// create new git log command with 1 commit limit
hashCmd := NewCommand("log", "-1", prettyLogFormat)
// add previous arguments except for --grep and --all
hashCmd.AddArguments(args...)
// add keyword as <commit>
hashCmd.AddArguments(v)
// search with given constraints for commit matching sha hash of v
hashMatching, err := hashCmd.RunInDirBytes(repo.Path)
if err != nil || bytes.Contains(stdout, hashMatching) {
continue
}
stdout = append(stdout, hashMatching...)
stdout = append(stdout, '\n')
}
}
}
return repo.parsePrettyFormatLogToList(bytes.TrimSuffix(stdout, []byte{'\n'}))
}
func (repo *Repository) getFilesChanged(id1, id2 string) ([]string, error) {
stdout, err := NewCommand("diff", "--name-only", id1, id2).RunInDirBytes(repo.Path)
if err != nil {
return nil, err
}
return strings.Split(string(stdout), "\n"), nil
}
// FileChangedBetweenCommits Returns true if the file changed between commit IDs id1 and id2
// You must ensure that id1 and id2 are valid commit ids.
func (repo *Repository) FileChangedBetweenCommits(filename, id1, id2 string) (bool, error) {
stdout, err := NewCommand("diff", "--name-only", "-z", id1, id2, "--", filename).RunInDirBytes(repo.Path)
if err != nil {
return false, err
}
return len(strings.TrimSpace(string(stdout))) > 0, nil
}
// FileCommitsCount return the number of files at a revison
func (repo *Repository) FileCommitsCount(revision, file string) (int64, error) {
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
3 years ago
return CommitsCountFiles(repo.Path, []string{revision}, []string{file})
}
// CommitsByFileAndRange return the commits according revison file and the page
func (repo *Repository) CommitsByFileAndRange(revision, file string, page int) (*list.List, error) {
skip := (page - 1) * CommitsRangeSize
stdoutReader, stdoutWriter := io.Pipe()
defer func() {
_ = stdoutReader.Close()
_ = stdoutWriter.Close()
}()
go func() {
stderr := strings.Builder{}
err := NewCommand("log", revision, "--follow",
"--max-count="+strconv.Itoa(CommitsRangeSize*page),
prettyLogFormat, "--", file).
RunInDirPipeline(repo.Path, stdoutWriter, &stderr)
if err != nil {
_ = stdoutWriter.CloseWithError(ConcatenateError(err, (&stderr).String()))
} else {
_ = stdoutWriter.Close()
}
}()
if skip > 0 {
_, err := io.CopyN(ioutil.Discard, stdoutReader, int64(skip*41))
if err != nil {
if err == io.EOF {
return list.New(), nil
}
_ = stdoutReader.CloseWithError(err)
return nil, err
}
}
stdout, err := ioutil.ReadAll(stdoutReader)
if err != nil {
return nil, err
}
return repo.parsePrettyFormatLogToList(stdout)
}
// CommitsByFileAndRangeNoFollow return the commits according revison file and the page
func (repo *Repository) CommitsByFileAndRangeNoFollow(revision, file string, page int) (*list.List, error) {
stdout, err := NewCommand("log", revision, "--skip="+strconv.Itoa((page-1)*50),
"--max-count="+strconv.Itoa(CommitsRangeSize), prettyLogFormat, "--", file).RunInDirBytes(repo.Path)
if err != nil {
return nil, err
}
return repo.parsePrettyFormatLogToList(stdout)
}
// FilesCountBetween return the number of files changed between two commits
func (repo *Repository) FilesCountBetween(startCommitID, endCommitID string) (int, error) {
stdout, err := NewCommand("diff", "--name-only", startCommitID+"..."+endCommitID).RunInDir(repo.Path)
if err != nil && strings.Contains(err.Error(), "no merge base") {
// git >= 2.28 now returns an error if startCommitID and endCommitID have become unrelated.
// previously it would return the results of git diff --name-only startCommitID endCommitID so let's try that...
stdout, err = NewCommand("diff", "--name-only", startCommitID, endCommitID).RunInDir(repo.Path)
}
if err != nil {
return 0, err
}
return len(strings.Split(stdout, "\n")) - 1, nil
}
// CommitsBetween returns a list that contains commits between [last, before).
func (repo *Repository) CommitsBetween(last *Commit, before *Commit) (*list.List, error) {
var stdout []byte
var err error
if before == nil {
stdout, err = NewCommand("rev-list", last.ID.String()).RunInDirBytes(repo.Path)
} else {
stdout, err = NewCommand("rev-list", before.ID.String()+"..."+last.ID.String()).RunInDirBytes(repo.Path)
if err != nil && strings.Contains(err.Error(), "no merge base") {
// future versions of git >= 2.28 are likely to return an error if before and last have become unrelated.
// previously it would return the results of git rev-list before last so let's try that...
stdout, err = NewCommand("rev-list", before.ID.String(), last.ID.String()).RunInDirBytes(repo.Path)
}
}
if err != nil {
return nil, err
}
return repo.parsePrettyFormatLogToList(bytes.TrimSpace(stdout))
}
// CommitsBetweenLimit returns a list that contains at most limit commits skipping the first skip commits between [last, before)
func (repo *Repository) CommitsBetweenLimit(last *Commit, before *Commit, limit, skip int) (*list.List, error) {
var stdout []byte
var err error
if before == nil {
stdout, err = NewCommand("rev-list", "--max-count", strconv.Itoa(limit), "--skip", strconv.Itoa(skip), last.ID.String()).RunInDirBytes(repo.Path)
} else {
stdout, err = NewCommand("rev-list", "--max-count", strconv.Itoa(limit), "--skip", strconv.Itoa(skip), before.ID.String()+"..."+last.ID.String()).RunInDirBytes(repo.Path)
if err != nil && strings.Contains(err.Error(), "no merge base") {
// future versions of git >= 2.28 are likely to return an error if before and last have become unrelated.
// previously it would return the results of git rev-list --max-count n before last so let's try that...
stdout, err = NewCommand("rev-list", "--max-count", strconv.Itoa(limit), "--skip", strconv.Itoa(skip), before.ID.String(), last.ID.String()).RunInDirBytes(repo.Path)
}
}
if err != nil {
return nil, err
}
return repo.parsePrettyFormatLogToList(bytes.TrimSpace(stdout))
}
// CommitsBetweenIDs return commits between twoe commits
func (repo *Repository) CommitsBetweenIDs(last, before string) (*list.List, error) {
lastCommit, err := repo.GetCommit(last)
if err != nil {
return nil, err
}
if before == "" {
return repo.CommitsBetween(lastCommit, nil)
}
beforeCommit, err := repo.GetCommit(before)
if err != nil {
return nil, err
}
return repo.CommitsBetween(lastCommit, beforeCommit)
}
// CommitsCountBetween return numbers of commits between two commits
func (repo *Repository) CommitsCountBetween(start, end string) (int64, error) {
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
3 years ago
count, err := CommitsCountFiles(repo.Path, []string{start + "..." + end}, []string{})
if err != nil && strings.Contains(err.Error(), "no merge base") {
// future versions of git >= 2.28 are likely to return an error if before and last have become unrelated.
// previously it would return the results of git rev-list before last so let's try that...
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
3 years ago
return CommitsCountFiles(repo.Path, []string{start, end}, []string{})
}
return count, err
}
// commitsBefore the limit is depth, not total number of returned commits.
func (repo *Repository) commitsBefore(id SHA1, limit int) (*list.List, error) {
cmd := NewCommand("log")
if limit > 0 {
cmd.AddArguments("-"+strconv.Itoa(limit), prettyLogFormat, id.String())
} else {
cmd.AddArguments(prettyLogFormat, id.String())
}
stdout, err := cmd.RunInDirBytes(repo.Path)
if err != nil {
return nil, err
}
formattedLog, err := repo.parsePrettyFormatLogToList(bytes.TrimSpace(stdout))
if err != nil {
return nil, err
}
commits := list.New()
for logEntry := formattedLog.Front(); logEntry != nil; logEntry = logEntry.Next() {
commit := logEntry.Value.(*Commit)
branches, err := repo.getBranches(commit, 2)
if err != nil {
return nil, err
}
if len(branches) > 1 {
break
}
commits.PushBack(commit)
}
return commits, nil
}
func (repo *Repository) getCommitsBefore(id SHA1) (*list.List, error) {
return repo.commitsBefore(id, 0)
}
func (repo *Repository) getCommitsBeforeLimit(id SHA1, num int) (*list.List, error) {
return repo.commitsBefore(id, num)
}
func (repo *Repository) getBranches(commit *Commit, limit int) ([]string, error) {
if CheckGitVersionAtLeast("2.7.0") == nil {
stdout, err := NewCommand("for-each-ref", "--count="+strconv.Itoa(limit), "--format=%(refname:strip=2)", "--contains", commit.ID.String(), BranchPrefix).RunInDir(repo.Path)
if err != nil {
return nil, err
}
branches := strings.Fields(stdout)
return branches, nil
}
stdout, err := NewCommand("branch", "--contains", commit.ID.String()).RunInDir(repo.Path)
if err != nil {
return nil, err
}
refs := strings.Split(stdout, "\n")
var max int
if len(refs) > limit {
max = limit
} else {
max = len(refs) - 1
}
branches := make([]string, max)
for i, ref := range refs[:max] {
parts := strings.Fields(ref)
branches[i] = parts[len(parts)-1]
}
return branches, nil
}
// GetCommitsFromIDs get commits from commit IDs
func (repo *Repository) GetCommitsFromIDs(commitIDs []string) (commits *list.List) {
commits = list.New()
for _, commitID := range commitIDs {
commit, err := repo.GetCommit(commitID)
if err == nil && commit != nil {
commits.PushBack(commit)
}
}
return commits
}
// IsCommitInBranch check if the commit is on the branch
func (repo *Repository) IsCommitInBranch(commitID, branch string) (r bool, err error) {
stdout, err := NewCommand("branch", "--contains", commitID, branch).RunInDir(repo.Path)
if err != nil {
return false, err
}
return len(stdout) > 0, err
}