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How to use CombinedOutput method of types Package

Best Ginkgo code snippet using types.CombinedOutput

runtime-gdb_test.go

Source:runtime-gdb_test.go

...44	}45}46func checkGdbVersion(t *testing.T) {47	// Issue 11214 reports various failures with older versions of gdb.48	out, err := exec.Command("gdb", "--version").CombinedOutput()49	if err != nil {50		t.Skipf("skipping: error executing gdb: %v", err)51	}52	re := regexp.MustCompile(`([0-9]+)\.([0-9]+)`)53	matches := re.FindSubmatch(out)54	if len(matches) < 3 {55		t.Skipf("skipping: can't determine gdb version from\n%s\n", out)56	}57	major, err1 := strconv.Atoi(string(matches[1]))58	minor, err2 := strconv.Atoi(string(matches[2]))59	if err1 != nil || err2 != nil {60		t.Skipf("skipping: can't determine gdb version: %v, %v", err1, err2)61	}62	if major < 7 || (major == 7 && minor < 7) {63		t.Skipf("skipping: gdb version %d.%d too old", major, minor)64	}65	t.Logf("gdb version %d.%d", major, minor)66}67func checkGdbPython(t *testing.T) {68	if runtime.GOOS == "solaris" || runtime.GOOS == "illumos" {69		t.Skip("skipping gdb python tests on illumos and solaris; see golang.org/issue/20821")70	}71	cmd := exec.Command("gdb", "-nx", "-q", "--batch", "-iex", "python import sys; print('go gdb python support')")72	out, err := cmd.CombinedOutput()73	if err != nil {74		t.Skipf("skipping due to issue running gdb: %v", err)75	}76	if strings.TrimSpace(string(out)) != "go gdb python support" {77		t.Skipf("skipping due to lack of python gdb support: %s", out)78	}79}80// checkCleanBacktrace checks that the given backtrace is well formed and does81// not contain any error messages from GDB.82func checkCleanBacktrace(t *testing.T, backtrace string) {83	backtrace = strings.TrimSpace(backtrace)84	lines := strings.Split(backtrace, "\n")85	if len(lines) == 0 {86		t.Fatalf("empty backtrace")87	}88	for i, l := range lines {89		if !strings.HasPrefix(l, fmt.Sprintf("#%v  ", i)) {90			t.Fatalf("malformed backtrace at line %v: %v", i, l)91		}92	}93	// TODO(mundaym): check for unknown frames (e.g. "??").94}95const helloSource = `96import "fmt"97import "runtime"98var gslice []string99func main() {100	mapvar := make(map[string]string, 13)101	mapvar["abc"] = "def"102	mapvar["ghi"] = "jkl"103	strvar := "abc"104	ptrvar := &strvar105	slicevar := make([]string, 0, 16)106	slicevar = append(slicevar, mapvar["abc"])107	fmt.Println("hi")108	runtime.KeepAlive(ptrvar)109	_ = ptrvar110	gslice = slicevar111	runtime.KeepAlive(mapvar)112}  // END_OF_PROGRAM113`114func lastLine(src []byte) int {115	eop := []byte("END_OF_PROGRAM")116	for i, l := range bytes.Split(src, []byte("\n")) {117		if bytes.Contains(l, eop) {118			return i119		}120	}121	return 0122}123func TestGdbPython(t *testing.T) {124	testGdbPython(t, false)125}126func TestGdbPythonCgo(t *testing.T) {127	if runtime.GOARCH == "mips" || runtime.GOARCH == "mipsle" || runtime.GOARCH == "mips64" {128		testenv.SkipFlaky(t, 18784)129	}130	testGdbPython(t, true)131}132func testGdbPython(t *testing.T, cgo bool) {133	if cgo {134		testenv.MustHaveCGO(t)135	}136	checkGdbEnvironment(t)137	t.Parallel()138	checkGdbVersion(t)139	checkGdbPython(t)140	dir, err := ioutil.TempDir("", "go-build")141	if err != nil {142		t.Fatalf("failed to create temp directory: %v", err)143	}144	defer os.RemoveAll(dir)145	var buf bytes.Buffer146	buf.WriteString("package main\n")147	if cgo {148		buf.WriteString(`import "C"` + "\n")149	}150	buf.WriteString(helloSource)151	src := buf.Bytes()152	err = ioutil.WriteFile(filepath.Join(dir, "main.go"), src, 0644)153	if err != nil {154		t.Fatalf("failed to create file: %v", err)155	}156	nLines := lastLine(src)157	cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", "a.exe", "main.go")158	cmd.Dir = dir159	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()160	if err != nil {161		t.Fatalf("building source %v\n%s", err, out)162	}163	args := []string{"-nx", "-q", "--batch",164		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),165		"-ex", "set startup-with-shell off",166		"-ex", "set print thread-events off",167	}168	if cgo {169		// When we build the cgo version of the program, the system's170		// linker is used. Some external linkers, like GNU gold,171		// compress the .debug_gdb_scripts into .zdebug_gdb_scripts.172		// Until gold and gdb can work together, temporarily load the173		// python script directly.174		args = append(args,175			"-ex", "source "+filepath.Join(runtime.GOROOT(), "src", "runtime", "runtime-gdb.py"),176		)177	} else {178		args = append(args,179			"-ex", "info auto-load python-scripts",180		)181	}182	args = append(args,183		"-ex", "set python print-stack full",184		"-ex", "br main.go:15",185		"-ex", "run",186		"-ex", "echo BEGIN info goroutines\n",187		"-ex", "info goroutines",188		"-ex", "echo END\n",189		"-ex", "echo BEGIN print mapvar\n",190		"-ex", "print mapvar",191		"-ex", "echo END\n",192		"-ex", "echo BEGIN print strvar\n",193		"-ex", "print strvar",194		"-ex", "echo END\n",195		"-ex", "echo BEGIN info locals\n",196		"-ex", "info locals",197		"-ex", "echo END\n",198		"-ex", "echo BEGIN goroutine 1 bt\n",199		"-ex", "goroutine 1 bt",200		"-ex", "echo END\n",201		"-ex", "echo BEGIN goroutine 2 bt\n",202		"-ex", "goroutine 2 bt",203		"-ex", "echo END\n",204		"-ex", "echo BEGIN goroutine all bt\n",205		"-ex", "goroutine all bt",206		"-ex", "echo END\n",207		"-ex", "clear main.go:15", // clear the previous break point208		"-ex", fmt.Sprintf("br main.go:%d", nLines), // new break point at the end of main209		"-ex", "c",210		"-ex", "echo BEGIN goroutine 1 bt at the end\n",211		"-ex", "goroutine 1 bt",212		"-ex", "echo END\n",213		filepath.Join(dir, "a.exe"),214	)215	got, _ := exec.Command("gdb", args...).CombinedOutput()216	t.Logf("gdb output: %s\n", got)217	firstLine := bytes.SplitN(got, []byte("\n"), 2)[0]218	if string(firstLine) != "Loading Go Runtime support." {219		// This can happen when using all.bash with220		// GOROOT_FINAL set, because the tests are run before221		// the final installation of the files.222		cmd := exec.Command(testenv.GoToolPath(t), "env", "GOROOT")223		cmd.Env = []string{}224		out, err := cmd.CombinedOutput()225		if err != nil && bytes.Contains(out, []byte("cannot find GOROOT")) {226			t.Skipf("skipping because GOROOT=%s does not exist", runtime.GOROOT())227		}228		_, file, _, _ := runtime.Caller(1)229		t.Logf("package testing source file: %s", file)230		t.Fatalf("failed to load Go runtime support: %s\n%s", firstLine, got)231	}232	// Extract named BEGIN...END blocks from output233	partRe := regexp.MustCompile(`(?ms)^BEGIN ([^\n]*)\n(.*?)\nEND`)234	blocks := map[string]string{}235	for _, subs := range partRe.FindAllSubmatch(got, -1) {236		blocks[string(subs[1])] = string(subs[2])237	}238	infoGoroutinesRe := regexp.MustCompile(`\*\s+\d+\s+running\s+`)239	if bl := blocks["info goroutines"]; !infoGoroutinesRe.MatchString(bl) {240		t.Fatalf("info goroutines failed: %s", bl)241	}242	printMapvarRe1 := regexp.MustCompile(`^\$[0-9]+ = map\[string\]string = {\[(0x[0-9a-f]+\s+)?"abc"\] = (0x[0-9a-f]+\s+)?"def", \[(0x[0-9a-f]+\s+)?"ghi"\] = (0x[0-9a-f]+\s+)?"jkl"}$`)243	printMapvarRe2 := regexp.MustCompile(`^\$[0-9]+ = map\[string\]string = {\[(0x[0-9a-f]+\s+)?"ghi"\] = (0x[0-9a-f]+\s+)?"jkl", \[(0x[0-9a-f]+\s+)?"abc"\] = (0x[0-9a-f]+\s+)?"def"}$`)244	if bl := blocks["print mapvar"]; !printMapvarRe1.MatchString(bl) &&245		!printMapvarRe2.MatchString(bl) {246		t.Fatalf("print mapvar failed: %s", bl)247	}248	strVarRe := regexp.MustCompile(`^\$[0-9]+ = (0x[0-9a-f]+\s+)?"abc"$`)249	if bl := blocks["print strvar"]; !strVarRe.MatchString(bl) {250		t.Fatalf("print strvar failed: %s", bl)251	}252	// The exact format of composite values has changed over time.253	// For issue 16338: ssa decompose phase split a slice into254	// a collection of scalar vars holding its fields. In such cases255	// the DWARF variable location expression should be of the256	// form "var.field" and not just "field".257	// However, the newer dwarf location list code reconstituted258	// aggregates from their fields and reverted their printing259	// back to its original form.260	// Only test that all variables are listed in 'info locals' since261	// different versions of gdb print variables in different262	// order and with differing amount of information and formats.263	if bl := blocks["info locals"]; !strings.Contains(bl, "slicevar") ||264		!strings.Contains(bl, "mapvar") ||265		!strings.Contains(bl, "strvar") {266		t.Fatalf("info locals failed: %s", bl)267	}268	// Check that the backtraces are well formed.269	checkCleanBacktrace(t, blocks["goroutine 1 bt"])270	checkCleanBacktrace(t, blocks["goroutine 2 bt"])271	checkCleanBacktrace(t, blocks["goroutine 1 bt at the end"])272	btGoroutine1Re := regexp.MustCompile(`(?m)^#0\s+(0x[0-9a-f]+\s+in\s+)?main\.main.+at`)273	if bl := blocks["goroutine 1 bt"]; !btGoroutine1Re.MatchString(bl) {274		t.Fatalf("goroutine 1 bt failed: %s", bl)275	}276	btGoroutine2Re := regexp.MustCompile(`(?m)^#0\s+(0x[0-9a-f]+\s+in\s+)?runtime.+at`)277	if bl := blocks["goroutine 2 bt"]; !btGoroutine2Re.MatchString(bl) {278		t.Fatalf("goroutine 2 bt failed: %s", bl)279	}280	if bl := blocks["goroutine all bt"]; !btGoroutine1Re.MatchString(bl) || !btGoroutine2Re.MatchString(bl) {281		t.Fatalf("goroutine all bt failed: %s", bl)282	}283	btGoroutine1AtTheEndRe := regexp.MustCompile(`(?m)^#0\s+(0x[0-9a-f]+\s+in\s+)?main\.main.+at`)284	if bl := blocks["goroutine 1 bt at the end"]; !btGoroutine1AtTheEndRe.MatchString(bl) {285		t.Fatalf("goroutine 1 bt at the end failed: %s", bl)286	}287}288const backtraceSource = `289package main290//go:noinline291func aaa() bool { return bbb() }292//go:noinline293func bbb() bool { return ccc() }294//go:noinline295func ccc() bool { return ddd() }296//go:noinline297func ddd() bool { return f() }298//go:noinline299func eee() bool { return true }300var f = eee301func main() {302	_ = aaa()303}304`305// TestGdbBacktrace tests that gdb can unwind the stack correctly306// using only the DWARF debug info.307func TestGdbBacktrace(t *testing.T) {308	if runtime.GOOS == "netbsd" {309		testenv.SkipFlaky(t, 15603)310	}311	checkGdbEnvironment(t)312	t.Parallel()313	checkGdbVersion(t)314	dir, err := ioutil.TempDir("", "go-build")315	if err != nil {316		t.Fatalf("failed to create temp directory: %v", err)317	}318	defer os.RemoveAll(dir)319	// Build the source code.320	src := filepath.Join(dir, "main.go")321	err = ioutil.WriteFile(src, []byte(backtraceSource), 0644)322	if err != nil {323		t.Fatalf("failed to create file: %v", err)324	}325	cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", "a.exe", "main.go")326	cmd.Dir = dir327	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()328	if err != nil {329		t.Fatalf("building source %v\n%s", err, out)330	}331	// Execute gdb commands.332	args := []string{"-nx", "-batch",333		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),334		"-ex", "set startup-with-shell off",335		"-ex", "break main.eee",336		"-ex", "run",337		"-ex", "backtrace",338		"-ex", "continue",339		filepath.Join(dir, "a.exe"),340	}341	got, _ := exec.Command("gdb", args...).CombinedOutput()342	// Check that the backtrace matches the source code.343	bt := []string{344		"eee",345		"ddd",346		"ccc",347		"bbb",348		"aaa",349		"main",350	}351	for i, name := range bt {352		s := fmt.Sprintf("#%v.*main\\.%v", i, name)353		re := regexp.MustCompile(s)354		if found := re.Find(got) != nil; !found {355			t.Errorf("could not find '%v' in backtrace", s)356			t.Fatalf("gdb output:\n%v", string(got))357		}358	}359}360const autotmpTypeSource = `361package main362type astruct struct {363	a, b int364}365func main() {366	var iface interface{} = map[string]astruct{}367	var iface2 interface{} = []astruct{}368	println(iface, iface2)369}370`371// TestGdbAutotmpTypes ensures that types of autotmp variables appear in .debug_info372// See bug #17830.373func TestGdbAutotmpTypes(t *testing.T) {374	checkGdbEnvironment(t)375	t.Parallel()376	checkGdbVersion(t)377	if runtime.GOOS == "aix" && testing.Short() {378		t.Skip("TestGdbAutotmpTypes is too slow on aix/ppc64")379	}380	dir, err := ioutil.TempDir("", "go-build")381	if err != nil {382		t.Fatalf("failed to create temp directory: %v", err)383	}384	defer os.RemoveAll(dir)385	// Build the source code.386	src := filepath.Join(dir, "main.go")387	err = ioutil.WriteFile(src, []byte(autotmpTypeSource), 0644)388	if err != nil {389		t.Fatalf("failed to create file: %v", err)390	}391	cmd := exec.Command(testenv.GoToolPath(t), "build", "-gcflags=all=-N -l", "-o", "a.exe", "main.go")392	cmd.Dir = dir393	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()394	if err != nil {395		t.Fatalf("building source %v\n%s", err, out)396	}397	// Execute gdb commands.398	args := []string{"-nx", "-batch",399		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),400		"-ex", "set startup-with-shell off",401		"-ex", "break main.main",402		"-ex", "run",403		"-ex", "step",404		"-ex", "info types astruct",405		filepath.Join(dir, "a.exe"),406	}407	got, _ := exec.Command("gdb", args...).CombinedOutput()408	sgot := string(got)409	// Check that the backtrace matches the source code.410	types := []string{411		"[]main.astruct;",412		"bucket<string,main.astruct>;",413		"hash<string,main.astruct>;",414		"main.astruct;",415		"hash<string,main.astruct> * map[string]main.astruct;",416	}417	for _, name := range types {418		if !strings.Contains(sgot, name) {419			t.Errorf("could not find %s in 'info typrs astruct' output", name)420			t.Fatalf("gdb output:\n%v", sgot)421		}422	}423}424const constsSource = `425package main426const aConstant int = 42427const largeConstant uint64 = ^uint64(0)428const minusOne int64 = -1429func main() {430	println("hello world")431}432`433func TestGdbConst(t *testing.T) {434	checkGdbEnvironment(t)435	t.Parallel()436	checkGdbVersion(t)437	dir, err := ioutil.TempDir("", "go-build")438	if err != nil {439		t.Fatalf("failed to create temp directory: %v", err)440	}441	defer os.RemoveAll(dir)442	// Build the source code.443	src := filepath.Join(dir, "main.go")444	err = ioutil.WriteFile(src, []byte(constsSource), 0644)445	if err != nil {446		t.Fatalf("failed to create file: %v", err)447	}448	cmd := exec.Command(testenv.GoToolPath(t), "build", "-gcflags=all=-N -l", "-o", "a.exe", "main.go")449	cmd.Dir = dir450	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()451	if err != nil {452		t.Fatalf("building source %v\n%s", err, out)453	}454	// Execute gdb commands.455	args := []string{"-nx", "-batch",456		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),457		"-ex", "set startup-with-shell off",458		"-ex", "break main.main",459		"-ex", "run",460		"-ex", "print main.aConstant",461		"-ex", "print main.largeConstant",462		"-ex", "print main.minusOne",463		"-ex", "print 'runtime.mSpanInUse'",464		"-ex", "print 'runtime._PageSize'",465		filepath.Join(dir, "a.exe"),466	}467	got, _ := exec.Command("gdb", args...).CombinedOutput()468	sgot := strings.ReplaceAll(string(got), "\r\n", "\n")469	t.Logf("output %q", sgot)470	if !strings.Contains(sgot, "\n$1 = 42\n$2 = 18446744073709551615\n$3 = -1\n$4 = 1 '\\001'\n$5 = 8192") {471		t.Fatalf("output mismatch")472	}473}474const panicSource = `475package main476import "runtime/debug"477func main() {478	debug.SetTraceback("crash")479	crash()480}481func crash() {482	panic("panic!")483}484`485// TestGdbPanic tests that gdb can unwind the stack correctly486// from SIGABRTs from Go panics.487func TestGdbPanic(t *testing.T) {488	checkGdbEnvironment(t)489	t.Parallel()490	checkGdbVersion(t)491	dir, err := ioutil.TempDir("", "go-build")492	if err != nil {493		t.Fatalf("failed to create temp directory: %v", err)494	}495	defer os.RemoveAll(dir)496	// Build the source code.497	src := filepath.Join(dir, "main.go")498	err = ioutil.WriteFile(src, []byte(panicSource), 0644)499	if err != nil {500		t.Fatalf("failed to create file: %v", err)501	}502	cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", "a.exe", "main.go")503	cmd.Dir = dir504	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()505	if err != nil {506		t.Fatalf("building source %v\n%s", err, out)507	}508	// Execute gdb commands.509	args := []string{"-nx", "-batch",510		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),511		"-ex", "set startup-with-shell off",512		"-ex", "run",513		"-ex", "backtrace",514		filepath.Join(dir, "a.exe"),515	}516	got, _ := exec.Command("gdb", args...).CombinedOutput()517	// Check that the backtrace matches the source code.518	bt := []string{519		`crash`,520		`main`,521	}522	for _, name := range bt {523		s := fmt.Sprintf("(#.* .* in )?main\\.%v", name)524		re := regexp.MustCompile(s)525		if found := re.Find(got) != nil; !found {526			t.Errorf("could not find '%v' in backtrace", s)527			t.Fatalf("gdb output:\n%v", string(got))528		}529	}530}...

iptables_context.go

Source:iptables_context.go

...20func (ctx *ipTablesContext) CheckAndCreate() error {21	var err error22	/* check if the set already exist */23	cmd := exec.Command(ctx.ipsetBin, "-L", ctx.SetName)24	if _, err = cmd.CombinedOutput(); err != nil { // if doesn't exist, create it25		if ctx.version == "v6" {26			cmd = exec.Command(ctx.ipsetBin, "-exist", "create", ctx.SetName, "nethash", "timeout", "300", "family", "inet6")27		} else {28			cmd = exec.Command(ctx.ipsetBin, "-exist", "create", ctx.SetName, "nethash", "timeout", "300")29		}30		log.Infof("ipset set-up : %s", cmd.String())31		if out, err := cmd.CombinedOutput(); err != nil {32			return fmt.Errorf("Error while creating set : %v --> %s", err, string(out))33		}34	}35	//waiting for propagation36	time.Sleep(1 * time.Second)37	// checking if iptables rules exist38	cmd = exec.Command(ctx.iptablesBin, ctx.CheckIptableCmds...)39	if _, err := cmd.CombinedOutput(); err != nil { // if doesn't exist, create it40		cmd = exec.Command(ctx.iptablesBin, ctx.StartupCmds...)41		log.Infof("iptables set-up : %s", cmd.String())42		if out, err := cmd.CombinedOutput(); err != nil {43			return fmt.Errorf("Error while insert set in iptables (%s): %v --> %s", cmd.String(), err, string(out))44		}45	}46	return nil47}48func (ctx *ipTablesContext) addBan(ban types.BanApplication) error {49	/*Create our set*/50	banDuration := int(ban.Until.Sub(time.Now()).Seconds())51	log.Infof("ipset add ban [%s] (for %d seconds)", ban.IpText, banDuration)52	cmd := exec.Command(ctx.ipsetBin, "-exist", "add", ctx.SetName, ban.IpText, "timeout", fmt.Sprintf("%d", banDuration))53	log.Debugf("ipset add : %s", cmd.String())54	if out, err := cmd.CombinedOutput(); err != nil {55		log.Infof("Error while inserting in set (%s): %v --> %s", cmd.String(), err, string(out))56	}57	//ipset -exist add test 192.168.0.1 timeout 60058	return nil59}60func (ctx *ipTablesContext) shutDown() error {61	/*clean iptables rules*/62	cmd := exec.Command(ctx.iptablesBin, ctx.ShutdownCmds...)63	log.Infof("iptables clean-up : %s", cmd.String())64	if out, err := cmd.CombinedOutput(); err != nil {65		/*if the set doesn't exist, don't frigthen user with error messages*/66		if strings.Contains(string(out), "Set crowdsec-blacklists doesn't exist.") {67			log.Infof("ipset 'crowdsec-blacklists' doesn't exist, skip")68		} else {69			log.Errorf("error while removing set entry in iptables : %v --> %s", err, string(out))70		}71	}72	/*clean ipset set*/73	cmd = exec.Command(ctx.ipsetBin, "-exist", "destroy", ctx.SetName)74	log.Infof("ipset clean-up : %s", cmd.String())75	if out, err := cmd.CombinedOutput(); err != nil {76		if strings.Contains(string(out), "The set with the given name does not exist") {77			log.Infof("ipset 'crowdsec-blacklists' doesn't exist, skip")78		} else {79			log.Errorf("Error while destroying set : %v --> %s", err, string(out))80		}81	}82	return nil83}84func (ctx *ipTablesContext) deleteBan(ban types.BanApplication) error {85	/*86		ipset -exist delete test 192.168.0.1 timeout 60087		ipset -exist add test 192.168.0.1 timeout 60088	*/89	log.Infof("ipset del ban for [%s]", ban.IpText)90	cmd := exec.Command(ctx.ipsetBin, "-exist", "del", ctx.SetName, ban.IpText)91	if out, err := cmd.CombinedOutput(); err != nil {92		log.Infof("Error while deleting from set (%s): %v --> %s", cmd.String(), err, string(out))93	}94	//ipset -exist add test 192.168.0.1 timeout 60095	return nil96}...

main.go

Source:main.go

1package main2import (3	"encoding/json"4	"fmt"5	"os"6	aurora "github.com/logrusorgru/aurora/v3"7)8var protocol Protocol9type checkOutput struct {10	id     string11	String string12}13type checkOutputs struct {14	warnings []checkOutput15	failures []checkOutput16}17type check func() checkOutputs18type fieldCheck func(string, string, string, DataType) checkOutputs19var checks = []check{checkRequestResponseTypesExist, checkMissingCriticalFields, checkErrorsExist}20var fieldChecks = []fieldCheck{checkTypeFieldCasing, checkCrossVersionReferences}21func main() {22	err := json.NewDecoder(os.Stdin).Decode(&protocol)23	if err != nil {24		fmt.Println(aurora.Red("error parsing stdin"))25		panic(err)26	}27	combinedOutput := checkOutputs{}28	for _, c := range checks {29		result := c()30		combinedOutput.failures = append(combinedOutput.failures, result.failures...)31		combinedOutput.warnings = append(combinedOutput.warnings, result.warnings...)32	}33	d, err := checkDiff()34	if err != nil {35		fmt.Println(aurora.Red("error diffing against stable protocol version"))36		panic(err)37	}38	combinedOutput.failures = append(combinedOutput.failures, d.failures...)39	combinedOutput.warnings = append(combinedOutput.warnings, d.warnings...)40	for _, failure := range combinedOutput.failures {41		fmt.Println(aurora.Red(aurora.Bold(failure)))42	}43	for _, warn := range combinedOutput.warnings {44		fmt.Println(aurora.Yellow(warn))45	}46	recordMetrics(combinedOutput)47	if len(combinedOutput.failures) > 0 {48		os.Exit(1)49	}50}...

CombinedOutput

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "-l")4    out, err := cmd.CombinedOutput()5    if err != nil {6        fmt.Println(err)7    }8    fmt.Println(string(out))9}

CombinedOutput

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-l")4	output, err := cmd.CombinedOutput()5	if err != nil {6		fmt.Println(err)7	}8	fmt.Println(string(output))9}10import (11func main() {12	cmd := exec.Command("ls", "-l")13	output, err := cmd.Output()14	if err != nil {15		fmt.Println(err)16	}17	fmt.Println(string(output))18}19import (20func main() {21	cmd := exec.Command("ls", "-l")22	err := cmd.Run()23	if err != nil {24		fmt.Println(err)25	}26}27import (28func main() {29	cmd := exec.Command("ls", "-l")30	err := cmd.Start()

CombinedOutput

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "-l")4    out, err := cmd.CombinedOutput()5    if err != nil {6        fmt.Printf("%s", err)7    }8    fmt.Printf("%s", out)9}10import (11func main() {12    cmd := exec.Command("ls", "-l")13    out, err := cmd.Output()14    if err != nil {15        fmt.Printf("%s", err)16    }17    fmt.Printf("%s", out)18}19import (20func main() {21    cmd := exec.Command("ls", "-l")22    err := cmd.Run()23    if err != nil {24        fmt.Printf("%s", err)25    }26}27import (28func main() {29    cmd := exec.Command("ls", "-l")30    err := cmd.Start()31    if err != nil {32        fmt.Printf("%s", err)33    }34}35import (36func main() {37    cmd := exec.Command("ls", "-l")38    err := cmd.Wait()39    if err != nil {40        fmt.Printf("%s", err)41    }42}

CombinedOutput

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-l")4	out, err := cmd.CombinedOutput()5	if err != nil {6		fmt.Println(err)7		os.Exit(1)8	}9	fmt.Println(string(out))10}

CombinedOutput

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "-l")4    out, err := cmd.CombinedOutput()5    if err != nil {6        fmt.Println(err)7    }8    fmt.Println(string(out))9}10import (11func main() {12    cmd := exec.Command("ls", "-l")13    out, err := cmd.CombinedOutput()14    if err != nil {15        fmt.Println(err)16    }17    fmt.Println(string(out))18}

CombinedOutput

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "dir")4    out, err := cmd.CombinedOutput()5    if err != nil {6        log.Fatal(err)7    }8    fmt.Printf("Output: %s", out)9}10import (11func main() {12    cmd := exec.Command("ls", "dir")13    out, err := cmd.Output()14    if err != nil {15        log.Fatal(err)16    }17    fmt.Printf("Output: %s", out)18}19import (20func main() {21    cmd := exec.Command("ls", "dir")22    err := cmd.Start()23    if err != nil {24        log.Fatal(err)25    }26    fmt.Printf("Waiting for command to finish...")27    err = cmd.Wait()28    fmt.Printf("Command finished with error: %v", err)29}30import (31func main() {32    cmd := exec.Command("ls", "dir")33    err := cmd.Run()34    if err != nil {35        log.Fatal(err)36    }37    fmt.Printf("Output: %s", out)38}39import (40func main() {41    cmd := exec.Command("ls", "dir")42    stdin, err := cmd.StdinPipe()43    if err != nil {44        log.Fatal(err)45    }46    go func() {47        defer stdin.Close()48        fmt.Fprintln(stdin, "some input")49    }()50    out, err := cmd.CombinedOutput()51    if err != nil {52        log.Fatal(err)53    }54    fmt.Printf("Output: %s", out)55}56import (

CombinedOutput

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-la")4	out, err := cmd.CombinedOutput()5	if err != nil {6		fmt.Printf("Error while executing command: %s", err)7	}8	fmt.Println(string(out))9}

CombinedOutput

Using AI Code Generation

1import (2func main() {3	out, err := exec.Command("ls", "-l").CombinedOutput()4	if err != nil {5		fmt.Printf("%s", err)6	}7	fmt.Printf("%s", out)8}9import (10func main() {11	out, err := exec.Command("ls", "-l", "file").CombinedOutput()12	if err != nil {13		fmt.Printf("%s", err)14	}15	fmt.Printf("%s", out)16}17import (18func main() {19	out, err := exec.Command("ls", "-l", "file", "file2").CombinedOutput()20	if err != nil {21		fmt.Printf("%s", err)22	}23	fmt.Printf("%s", out)24}

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