improve code quality (#21464) (#21463)

Backport #21464 and #21465

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
tokarchuk/v1.17
6543 2 years ago committed by GitHub
parent 6afbef5a8b
commit cd48a007bb
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GPG Key ID: 4AEE18F83AFDEB23
  1. 28
      modules/git/command.go
  2. 15
      modules/git/command_test.go
  3. 2
      modules/git/commit.go
  4. 19
      modules/git/repo_commit.go
  5. 8
      modules/git/repo_stats.go
  6. 19
      modules/gitgraph/graph.go

@ -40,6 +40,7 @@ type Command struct {
parentContext context.Context
desc string
globalArgsLength int
brokenArgs []string
}
func (c *Command) String() string {
@ -50,6 +51,7 @@ func (c *Command) String() string {
}
// NewCommand creates and returns a new Git Command based on given command and arguments.
// Each argument should be safe to be trusted. User-provided arguments should be passed to AddDynamicArguments instead.
func NewCommand(ctx context.Context, args ...string) *Command {
// Make an explicit copy of globalCommandArgs, otherwise append might overwrite it
cargs := make([]string, len(globalCommandArgs))
@ -63,11 +65,13 @@ func NewCommand(ctx context.Context, args ...string) *Command {
}
// NewCommandNoGlobals creates and returns a new Git Command based on given command and arguments only with the specify args and don't care global command args
// Each argument should be safe to be trusted. User-provided arguments should be passed to AddDynamicArguments instead.
func NewCommandNoGlobals(args ...string) *Command {
return NewCommandContextNoGlobals(DefaultContext, args...)
}
// NewCommandContextNoGlobals creates and returns a new Git Command based on given command and arguments only with the specify args and don't care global command args
// Each argument should be safe to be trusted. User-provided arguments should be passed to AddDynamicArguments instead.
func NewCommandContextNoGlobals(ctx context.Context, args ...string) *Command {
return &Command{
name: GitExecutable,
@ -89,12 +93,28 @@ func (c *Command) SetDescription(desc string) *Command {
return c
}
// AddArguments adds new argument(s) to the command.
// AddArguments adds new argument(s) to the command. Each argument must be safe to be trusted.
// User-provided arguments should be passed to AddDynamicArguments instead.
func (c *Command) AddArguments(args ...string) *Command {
c.args = append(c.args, args...)
return c
}
// AddDynamicArguments adds new dynamic argument(s) to the command.
// The arguments may come from user input and can not be trusted, so no leading '-' is allowed to avoid passing options
func (c *Command) AddDynamicArguments(args ...string) *Command {
for _, arg := range args {
if arg != "" && arg[0] == '-' {
c.brokenArgs = append(c.brokenArgs, arg)
}
}
if len(c.brokenArgs) != 0 {
return c
}
c.args = append(c.args, args...)
return c
}
// RunOpts represents parameters to run the command. If UseContextTimeout is specified, then Timeout is ignored.
type RunOpts struct {
Env []string
@ -138,8 +158,14 @@ func CommonCmdServEnvs() []string {
return commonBaseEnvs()
}
var ErrBrokenCommand = errors.New("git command is broken")
// Run runs the command with the RunOpts
func (c *Command) Run(opts *RunOpts) error {
if len(c.brokenArgs) != 0 {
log.Error("git command is broken: %s, broken args: %s", c.String(), strings.Join(c.brokenArgs, " "))
return ErrBrokenCommand
}
if opts == nil {
opts = &RunOpts{}
}

@ -26,4 +26,19 @@ func TestRunWithContextStd(t *testing.T) {
assert.Contains(t, err.Error(), "exit status 129 - unknown option:")
assert.Empty(t, stdout)
}
cmd = NewCommand(context.Background())
cmd.AddDynamicArguments("-test")
assert.ErrorIs(t, cmd.Run(&RunOpts{}), ErrBrokenCommand)
cmd = NewCommand(context.Background())
cmd.AddDynamicArguments("--test")
assert.ErrorIs(t, cmd.Run(&RunOpts{}), ErrBrokenCommand)
subCmd := "version"
cmd = NewCommand(context.Background()).AddDynamicArguments(subCmd) // for test purpose only, the sub-command should never be dynamic for production
stdout, stderr, err = cmd.RunStdString(&RunOpts{})
assert.NoError(t, err)
assert.Empty(t, stderr)
assert.Contains(t, stdout, "git version")
}

@ -163,7 +163,7 @@ func AllCommitsCount(ctx context.Context, repoPath string, hidePRRefs bool, file
// CommitsCountFiles returns number of total commits of until given revision.
func CommitsCountFiles(ctx context.Context, repoPath string, revision, relpath []string) (int64, error) {
cmd := NewCommand(ctx, "rev-list", "--count")
cmd.AddArguments(revision...)
cmd.AddDynamicArguments(revision...)
if len(relpath) > 0 {
cmd.AddArguments("--")
cmd.AddArguments(relpath...)

@ -158,7 +158,7 @@ func (repo *Repository) searchCommits(id SHA1, opts SearchCommitsOptions) ([]*Co
// add previous arguments except for --grep and --all
hashCmd.AddArguments(args...)
// add keyword as <commit>
hashCmd.AddArguments(v)
hashCmd.AddDynamicArguments(v)
// search with given constraints for commit matching sha hash of v
hashMatching, _, err := hashCmd.RunStdBytes(&RunOpts{Dir: repo.Path})
@ -208,14 +208,15 @@ func (repo *Repository) CommitsByFileAndRange(revision, file string, page int) (
}()
go func() {
stderr := strings.Builder{}
err := NewCommand(repo.Ctx, "log", revision, "--follow",
"--max-count="+strconv.Itoa(setting.Git.CommitsRangeSize*page),
prettyLogFormat, "--", file).
Run(&RunOpts{
Dir: repo.Path,
Stdout: stdoutWriter,
Stderr: &stderr,
})
gitCmd := NewCommand(repo.Ctx, "log", prettyLogFormat, "--follow",
"--max-count="+strconv.Itoa(setting.Git.CommitsRangeSize*page))
gitCmd.AddDynamicArguments(revision)
gitCmd.AddArguments("--", file)
err := gitCmd.Run(&RunOpts{
Dir: repo.Path,
Stdout: stdoutWriter,
Stderr: &stderr,
})
if err != nil {
_ = stdoutWriter.CloseWithError(ConcatenateError(err, (&stderr).String()))
} else {

@ -59,15 +59,15 @@ func (repo *Repository) GetCodeActivityStats(fromTime time.Time, branch string)
_ = stdoutWriter.Close()
}()
args := []string{"log", "--numstat", "--no-merges", "--pretty=format:---%n%h%n%aN%n%aE%n", "--date=iso", fmt.Sprintf("--since='%s'", since)}
gitCmd := NewCommand(repo.Ctx, "log", "--numstat", "--no-merges", "--pretty=format:---%n%h%n%aN%n%aE%n", "--date=iso", fmt.Sprintf("--since='%s'", since))
if len(branch) == 0 {
args = append(args, "--branches=*")
gitCmd.AddArguments("--branches=*")
} else {
args = append(args, "--first-parent", branch)
gitCmd.AddArguments("--first-parent").AddDynamicArguments(branch)
}
stderr := new(strings.Builder)
err = NewCommand(repo.Ctx, args...).Run(&RunOpts{
err = gitCmd.Run(&RunOpts{
Env: []string{},
Dir: repo.Path,
Stdout: stdoutWriter,

@ -24,19 +24,17 @@ func GetCommitGraph(r *git.Repository, page, maxAllowedColors int, hidePRRefs bo
page = 1
}
args := make([]string, 0, 12+len(branches)+len(files))
args = append(args, "--graph", "--date-order", "--decorate=full")
graphCmd := git.NewCommand(r.Ctx, "log", "--graph", "--date-order", "--decorate=full")
if hidePRRefs {
args = append(args, "--exclude="+git.PullPrefix+"*")
graphCmd.AddArguments("--exclude=" + git.PullPrefix + "*")
}
if len(branches) == 0 {
args = append(args, "--all")
graphCmd.AddArguments("--all")
}
args = append(args,
graphCmd.AddArguments(
"-C",
"-M",
fmt.Sprintf("-n %d", setting.UI.GraphMaxCommitNum*page),
@ -44,15 +42,12 @@ func GetCommitGraph(r *git.Repository, page, maxAllowedColors int, hidePRRefs bo
fmt.Sprintf("--pretty=format:%s", format))
if len(branches) > 0 {
args = append(args, branches...)
graphCmd.AddDynamicArguments(branches...)
}
args = append(args, "--")
if len(files) > 0 {
args = append(args, files...)
graphCmd.AddArguments("--")
graphCmd.AddArguments(files...)
}
graphCmd := git.NewCommand(r.Ctx, "log")
graphCmd.AddArguments(args...)
graph := NewGraph()
stderr := new(strings.Builder)

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