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package project | |
import ( | |
"bytes" | |
"context" | |
"fmt" | |
"io" | |
"log" | |
"os" | |
"runtime" | |
"strings" | |
"golang.org/x/sync/errgroup" | |
"github.com/reviewdog/reviewdog" | |
"github.com/reviewdog/reviewdog/diff" | |
"github.com/reviewdog/reviewdog/filter" | |
"github.com/reviewdog/reviewdog/parser" | |
) | |
// RunAndParse runs commands and parse results. Returns map of tool name to check results. | |
func RunAndParse(ctx context.Context, conf *Config, runners map[string]bool, defaultLevel string, teeMode bool) (*reviewdog.ResultMap, error) { | |
var results reviewdog.ResultMap | |
// environment variables for each commands | |
envs := filteredEnviron() | |
cmdBuilder := newCmdBuilder(envs, teeMode) | |
var usedRunners []string | |
var g errgroup.Group | |
semaphoreNum := runtime.NumCPU() | |
if teeMode { | |
semaphoreNum = 1 | |
} | |
semaphore := make(chan int, semaphoreNum) | |
for key, runner := range conf.Runner { | |
runner := runner | |
runnerName := getRunnerName(key, runner) | |
if len(runners) != 0 && !runners[runnerName] { | |
continue // Skip this runner. | |
} | |
usedRunners = append(usedRunners, runnerName) | |
semaphore <- 1 | |
log.Printf("reviewdog: [start]\trunner=%s", runnerName) | |
fname := runner.Format | |
if fname == "" && len(runner.Errorformat) == 0 { | |
fname = runnerName | |
} | |
opt := &parser.Option{FormatName: fname, Errorformat: runner.Errorformat} | |
p, err := parser.New(opt) | |
if err != nil { | |
return nil, err | |
} | |
cmd, stdout, stderr, err := cmdBuilder.build(ctx, runner.Cmd) | |
if err != nil { | |
return nil, err | |
} | |
if err := cmd.Start(); err != nil { | |
return nil, fmt.Errorf("fail to start command: %w", err) | |
} | |
g.Go(func() error { | |
defer func() { <-semaphore }() | |
diagnostics, err := p.Parse(io.MultiReader(stdout, stderr)) | |
if err != nil { | |
return err | |
} | |
level := runner.Level | |
if level == "" { | |
level = defaultLevel | |
} | |
cmdErr := cmd.Wait() | |
results.Store(runnerName, &reviewdog.Result{ | |
Name: runnerName, | |
Level: level, | |
Diagnostics: diagnostics, | |
CmdErr: cmdErr, | |
}) | |
msg := fmt.Sprintf("reviewdog: [finish]\trunner=%s", runnerName) | |
if cmdErr != nil { | |
msg += fmt.Sprintf("\terror=%v", cmdErr) | |
} | |
log.Println(msg) | |
return nil | |
}) | |
} | |
if err := g.Wait(); err != nil { | |
return nil, fmt.Errorf("fail to run reviewdog: %w", err) | |
} | |
if err := checkUnknownRunner(runners, usedRunners); err != nil { | |
return nil, err | |
} | |
return &results, nil | |
} | |
// Run runs reviewdog tasks based on Config. | |
func Run(ctx context.Context, conf *Config, runners map[string]bool, c reviewdog.CommentService, d reviewdog.DiffService, teeMode bool, filterMode filter.Mode, failOnError bool) error { | |
results, err := RunAndParse(ctx, conf, runners, "", teeMode) // Level is not used. | |
if err != nil { | |
return err | |
} | |
if results.Len() == 0 { | |
return nil | |
} | |
b, err := d.Diff(ctx) | |
if err != nil { | |
return err | |
} | |
filediffs, err := diff.ParseMultiFile(bytes.NewReader(b)) | |
if err != nil { | |
return err | |
} | |
var g errgroup.Group | |
results.Range(func(toolname string, result *reviewdog.Result) { | |
ds := result.Diagnostics | |
g.Go(func() error { | |
if err := result.CheckUnexpectedFailure(); err != nil { | |
return err | |
} | |
return reviewdog.RunFromResult(ctx, c, ds, filediffs, d.Strip(), toolname, filterMode, failOnError) | |
}) | |
}) | |
return g.Wait() | |
} | |
var secretEnvs = [...]string{ | |
"REVIEWDOG_GITHUB_API_TOKEN", | |
"REVIEWDOG_GITLAB_API_TOKEN", | |
"REVIEWDOG_TOKEN", | |
} | |
func filteredEnviron() []string { | |
for _, name := range secretEnvs { | |
defer func(name, value string) { | |
if value != "" { | |
os.Setenv(name, value) | |
} | |
}(name, os.Getenv(name)) | |
os.Unsetenv(name) | |
} | |
return os.Environ() | |
} | |
func checkUnknownRunner(specifiedRunners map[string]bool, usedRunners []string) error { | |
if len(specifiedRunners) == 0 { | |
return nil | |
} | |
for _, r := range usedRunners { | |
delete(specifiedRunners, r) | |
} | |
var rs []string | |
for r := range specifiedRunners { | |
rs = append(rs, r) | |
} | |
if len(specifiedRunners) != 0 { | |
return fmt.Errorf("runner not found: [%s]", strings.Join(rs, ",")) | |
} | |
return nil | |
} | |
func getRunnerName(key string, runner *Runner) string { | |
if runner.Name != "" { | |
return runner.Name | |
} | |
return key | |
} |