How to use Error method of build Package

Best Syzkaller code snippet using build.Error

hugo_sites_build_errors_test.go

Source:hugo_sites_build_errors_test.go Github

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...8 "github.com/fortytw2/leaktest"9 qt "github.com/frankban/quicktest"10 "github.com/gohugoio/hugo/common/herrors"11)12type testSiteBuildErrorAsserter struct {13 name string14 c *qt.C15}16func (t testSiteBuildErrorAsserter) getFileError(err error) *herrors.ErrorWithFileContext {17 t.c.Assert(err, qt.Not(qt.IsNil), qt.Commentf(t.name))18 ferr := herrors.UnwrapErrorWithFileContext(err)19 t.c.Assert(ferr, qt.Not(qt.IsNil))20 return ferr21}22func (t testSiteBuildErrorAsserter) assertLineNumber(lineNumber int, err error) {23 fe := t.getFileError(err)24 t.c.Assert(fe.Position().LineNumber, qt.Equals, lineNumber)25}26func (t testSiteBuildErrorAsserter) assertErrorMessage(e1, e2 string) {27 // The error message will contain filenames with OS slashes. Normalize before compare.28 e1, e2 = filepath.ToSlash(e1), filepath.ToSlash(e2)29 t.c.Assert(e2, qt.Contains, e1)30}31func TestSiteBuildErrors(t *testing.T) {32 const (33 yamlcontent = "yamlcontent"34 tomlcontent = "tomlcontent"35 jsoncontent = "jsoncontent"36 shortcode = "shortcode"37 base = "base"38 single = "single"39 )40 // TODO(bep) add content tests after https://github.com/gohugoio/hugo/issues/532441 // is implemented.42 tests := []struct {43 name string44 fileType string45 fileFixer func(content string) string46 assertCreateError func(a testSiteBuildErrorAsserter, err error)47 assertBuildError func(a testSiteBuildErrorAsserter, err error)48 }{49 {50 name: "Base template parse failed",51 fileType: base,52 fileFixer: func(content string) string {53 return strings.Replace(content, ".Title }}", ".Title }", 1)54 },55 assertCreateError: func(a testSiteBuildErrorAsserter, err error) {56 a.assertLineNumber(4, err)57 },58 },59 {60 name: "Base template execute failed",61 fileType: base,62 fileFixer: func(content string) string {63 return strings.Replace(content, ".Title", ".Titles", 1)64 },65 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {66 a.assertLineNumber(4, err)67 },68 },69 {70 name: "Single template parse failed",71 fileType: single,72 fileFixer: func(content string) string {73 return strings.Replace(content, ".Title }}", ".Title }", 1)74 },75 assertCreateError: func(a testSiteBuildErrorAsserter, err error) {76 fe := a.getFileError(err)77 a.c.Assert(fe.Position().LineNumber, qt.Equals, 5)78 a.c.Assert(fe.Position().ColumnNumber, qt.Equals, 1)79 a.c.Assert(fe.ChromaLexer, qt.Equals, "go-html-template")80 a.assertErrorMessage("\"layouts/_default/single.html:5:1\": parse failed: template: _default/single.html:5: unexpected \"}\" in operand", fe.Error())81 },82 },83 {84 name: "Single template execute failed",85 fileType: single,86 fileFixer: func(content string) string {87 return strings.Replace(content, ".Title", ".Titles", 1)88 },89 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {90 fe := a.getFileError(err)91 a.c.Assert(fe.Position().LineNumber, qt.Equals, 5)92 a.c.Assert(fe.Position().ColumnNumber, qt.Equals, 14)93 a.c.Assert(fe.ChromaLexer, qt.Equals, "go-html-template")94 a.assertErrorMessage("\"layouts/_default/single.html:5:14\": execute of template failed", fe.Error())95 },96 },97 {98 name: "Single template execute failed, long keyword",99 fileType: single,100 fileFixer: func(content string) string {101 return strings.Replace(content, ".Title", ".ThisIsAVeryLongTitle", 1)102 },103 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {104 fe := a.getFileError(err)105 a.c.Assert(fe.Position().LineNumber, qt.Equals, 5)106 a.c.Assert(fe.Position().ColumnNumber, qt.Equals, 14)107 a.c.Assert(fe.ChromaLexer, qt.Equals, "go-html-template")108 a.assertErrorMessage("\"layouts/_default/single.html:5:14\": execute of template failed", fe.Error())109 },110 },111 {112 name: "Shortcode parse failed",113 fileType: shortcode,114 fileFixer: func(content string) string {115 return strings.Replace(content, ".Title }}", ".Title }", 1)116 },117 assertCreateError: func(a testSiteBuildErrorAsserter, err error) {118 a.assertLineNumber(4, err)119 },120 },121 {122 name: "Shortode execute failed",123 fileType: shortcode,124 fileFixer: func(content string) string {125 return strings.Replace(content, ".Title", ".Titles", 1)126 },127 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {128 fe := a.getFileError(err)129 a.c.Assert(fe.Position().LineNumber, qt.Equals, 7)130 a.c.Assert(fe.ChromaLexer, qt.Equals, "md")131 // Make sure that it contains both the content file and template132 a.assertErrorMessage(`content/myyaml.md:7:10": failed to render shortcode "sc"`, fe.Error())133 a.assertErrorMessage(`shortcodes/sc.html:4:22: executing "shortcodes/sc.html" at <.Page.Titles>: can't evaluate`, fe.Error())134 },135 },136 {137 name: "Shortode does not exist",138 fileType: yamlcontent,139 fileFixer: func(content string) string {140 return strings.Replace(content, "{{< sc >}}", "{{< nono >}}", 1)141 },142 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {143 fe := a.getFileError(err)144 a.c.Assert(fe.Position().LineNumber, qt.Equals, 7)145 a.c.Assert(fe.Position().ColumnNumber, qt.Equals, 10)146 a.c.Assert(fe.ChromaLexer, qt.Equals, "md")147 a.assertErrorMessage(`"content/myyaml.md:7:10": failed to extract shortcode: template for shortcode "nono" not found`, fe.Error())148 },149 },150 {151 name: "Invalid YAML front matter",152 fileType: yamlcontent,153 fileFixer: func(content string) string {154 return strings.Replace(content, "title:", "title: %foo", 1)155 },156 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {157 a.assertLineNumber(2, err)158 },159 },160 {161 name: "Invalid TOML front matter",162 fileType: tomlcontent,163 fileFixer: func(content string) string {164 return strings.Replace(content, "description = ", "description &", 1)165 },166 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {167 fe := a.getFileError(err)168 a.c.Assert(fe.Position().LineNumber, qt.Equals, 6)169 a.c.Assert(fe.ErrorContext.ChromaLexer, qt.Equals, "toml")170 },171 },172 {173 name: "Invalid JSON front matter",174 fileType: jsoncontent,175 fileFixer: func(content string) string {176 return strings.Replace(content, "\"description\":", "\"description\"", 1)177 },178 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {179 fe := a.getFileError(err)180 a.c.Assert(fe.Position().LineNumber, qt.Equals, 3)181 a.c.Assert(fe.ErrorContext.ChromaLexer, qt.Equals, "json")182 },183 },184 {185 // See https://github.com/gohugoio/hugo/issues/5327186 name: "Panic in template Execute",187 fileType: single,188 fileFixer: func(content string) string {189 return strings.Replace(content, ".Title", ".Parent.Parent.Parent", 1)190 },191 assertBuildError: func(a testSiteBuildErrorAsserter, err error) {192 a.c.Assert(err, qt.Not(qt.IsNil))193 fe := a.getFileError(err)194 a.c.Assert(fe.Position().LineNumber, qt.Equals, 5)195 a.c.Assert(fe.Position().ColumnNumber, qt.Equals, 21)196 },197 },198 }199 for _, test := range tests {200 test := test201 t.Run(test.name, func(t *testing.T) {202 t.Parallel()203 c := qt.New(t)204 errorAsserter := testSiteBuildErrorAsserter{205 c: c,206 name: test.name,207 }208 b := newTestSitesBuilder(t).WithSimpleConfigFile()209 f := func(fileType, content string) string {210 if fileType != test.fileType {211 return content212 }213 return test.fileFixer(content)214 }215 b.WithTemplatesAdded("layouts/shortcodes/sc.html", f(shortcode, `SHORTCODE L1216SHORTCODE L2217SHORTCODE L3:218SHORTCODE L4: {{ .Page.Title }}219`))220 b.WithTemplatesAdded("layouts/_default/baseof.html", f(base, `BASEOF L1221BASEOF L2222BASEOF L3223BASEOF L4{{ if .Title }}{{ end }}224{{block "main" .}}This is the main content.{{end}}225BASEOF L6226`))227 b.WithTemplatesAdded("layouts/_default/single.html", f(single, `{{ define "main" }}228SINGLE L2:229SINGLE L3:230SINGLE L4:231SINGLE L5: {{ .Title }} {{ .Content }}232{{ end }}233`))234 b.WithContent("myyaml.md", f(yamlcontent, `---235title: "The YAML"236---237Some content.238 {{< sc >}}239Some more text.240The end.241`))242 b.WithContent("mytoml.md", f(tomlcontent, `+++243title = "The TOML"244p1 = "v"245p2 = "v"246p3 = "v"247description = "Descriptioon"248+++249Some content.250`))251 b.WithContent("myjson.md", f(jsoncontent, `{252 "title": "This is a title",253 "description": "This is a description."254}255Some content.256`))257 createErr := b.CreateSitesE()258 if test.assertCreateError != nil {259 test.assertCreateError(errorAsserter, createErr)260 } else {261 c.Assert(createErr, qt.IsNil)262 }263 if createErr == nil {264 buildErr := b.BuildE(BuildCfg{})265 if test.assertBuildError != nil {266 test.assertBuildError(errorAsserter, buildErr)267 } else {268 c.Assert(buildErr, qt.IsNil)269 }270 }271 })272 }273}274// https://github.com/gohugoio/hugo/issues/5375275func TestSiteBuildTimeout(t *testing.T) {276 if !isCI() {277 defer leaktest.CheckTimeout(t, 10*time.Second)()278 }279 b := newTestSitesBuilder(t)280 b.WithConfigFile("toml", `...

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tag.go

Source:tag.go Github

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...13 if app, err = s.AppByTree(treeID, env, zone); err != nil {14 return15 }16 tag.AppID = app.ID17 return s.dao.DB.Create(tag).Error18}19//LastTags get tags by app name.20func (s *Service) LastTags(treeID int64, env, zone, bName string) (tags []*model.Tag, err error) {21 var (22 app *model.App23 build *model.Build24 )25 if app, err = s.AppByTree(treeID, env, zone); err != nil {26 return27 }28 if build, err = s.BuildByName(app.ID, bName); err != nil {29 return30 }31 if err = s.dao.DB.Where("app_id = ? and build_id = ?", app.ID, build.ID).Order("id desc").Limit(10).Find(&tags).Error; err != nil {32 log.Error("Tags(%v) error(%v)", app.ID, err)33 if err == sql.ErrNoRows {34 err = nil35 }36 }37 return38}39//TagsByBuild get tags by app name.40func (s *Service) TagsByBuild(appName, env, zone, name string, ps, pn, treeID int64) (tagPager *model.TagConfigPager, err error) {41 var (42 app *model.App43 build *model.Build44 tags []*model.Tag45 confIDs []int6446 confs []*model.Config47 total int6448 )49 tagConfigs := make([]*model.TagConfig, 0)50 if app, err = s.AppByTree(treeID, env, zone); err != nil {51 if err == ecode.NothingFound {52 err = s.CreateApp(appName, env, zone, treeID)53 return54 }55 }56 if build, err = s.BuildByName(app.ID, name); err != nil {57 if err == ecode.NothingFound {58 err = nil59 }60 return61 }62 if err = s.dao.DB.Where("app_id = ? and build_id =?", app.ID, build.ID).Order("id desc").Offset((pn - 1) * ps).Limit(ps).Find(&tags).Error; err != nil {63 log.Error("TagsByBuild() findTags() error(%v)", err)64 if err == sql.ErrNoRows {65 err = nil66 }67 return68 }69 tmp := make(map[int64]struct{})70 for _, tag := range tags {71 tmpIDs := strings.Split(tag.ConfigIDs, ",")72 for _, tmpID := range tmpIDs {73 var id int6474 if id, err = strconv.ParseInt(tmpID, 10, 64); err != nil {75 log.Error("strconv.ParseInt() error(%v)", err)76 return77 }78 if _, ok := tmp[id]; !ok {79 tmp[id] = struct{}{}80 confIDs = append(confIDs, id)81 }82 }83 }84 if confs, err = s.ConfigsByIDs(confIDs); err != nil {85 return86 }87 for _, tag := range tags {88 tagConfig := new(model.TagConfig)89 tagConfig.Tag = tag90 tagConfigs = append(tagConfigs, tagConfig)91 tmpIDs := strings.Split(tag.ConfigIDs, ",")92 for _, tmpID := range tmpIDs {93 var id int6494 if id, err = strconv.ParseInt(tmpID, 10, 64); err != nil {95 log.Error("strconv.ParseInt() error(%v)", err)96 return97 }98 for _, conf := range confs {99 if id != conf.ID { //judge config is in build.100 continue101 }102 tagConfig.Confs = append(tagConfig.Confs, conf)103 }104 }105 }106 if err = s.dao.DB.Where("app_id = ? and build_id =?", app.ID, build.ID).Model(&model.Tag{}).Count(&total).Error; err != nil {107 log.Error("TagsByBuild() count() error(%v)", err)108 return109 }110 tagPager = &model.TagConfigPager{Ps: ps, Pn: pn, Total: total, Items: tagConfigs}111 return112}113//LastTagByAppBuild get tags by app and build.114func (s *Service) LastTagByAppBuild(appID, buildID int64) (tag *model.Tag, err error) {115 var (116 tags []*model.Tag117 )118 if err = s.dao.DB.Where("app_id = ? and build_id =?", appID, buildID).Order("id desc").Limit(2).Find(&tags).Error; err != nil {119 log.Error("LastTagByAppBuild() error(%v)", err)120 if err == sql.ErrNoRows {121 err = nil122 }123 return124 }125 if len(tags) != 2 {126 err = ecode.NothingFound127 return128 }129 return tags[1], nil130}131//Tag get tag by id.132func (s *Service) Tag(ID int64) (tag *model.Tag, err error) {133 tag = new(model.Tag)134 if err = s.dao.DB.First(&tag, ID).Error; err != nil {135 log.Error("Tag(%v) error(%v)", ID, err)136 if err == sql.ErrNoRows {137 err = ecode.NothingFound138 }139 }140 return141}142//TagByAppBuild ...143func (s *Service) TagByAppBuild(appID, buildID int64) (tag *model.Tag, err error) {144 tag = new(model.Tag)145 if err = s.dao.DB.Where("app_id = ? and build_id =?", appID, buildID).Order("id desc").First(&tag).Error; err != nil {146 log.Error("TagByAppBuild() error(%v)", err)147 if err == sql.ErrNoRows {148 err = nil149 }150 return151 }152 return153}154// TagByAppBuildLastConfig ...155func (s *Service) TagByAppBuildLastConfig(appID, buildID, tagID int64, cids []int64) (configID int64, err error) {156 tags := []*model.Tag{}157 if err = s.dao.DB.Where("app_id = ? and build_id = ? and id != ?", appID, buildID, tagID).Order("id desc").Find(&tags).Error; err != nil {158 log.Error("TagByAppBuildLastConfig() error(%v)", err)159 return160 }161 var id int64162 for _, v := range tags {163 tmpIDs := strings.Split(v.ConfigIDs, ",")164 for _, tmpID := range tmpIDs {165 id, err = strconv.ParseInt(tmpID, 10, 64)166 if err != nil {167 log.Error("strconv.ParseInt(%s) error(%v)", tmpID, err)168 continue169 }170 for _, vv := range cids {171 if vv == id {172 configID = id173 return174 }175 }176 }177 }178 return179}180//RollBackTag ...181func (s *Service) RollBackTag(tagID int64) (tag *model.Tag, err error) {182 tag = &model.Tag{}183 row := s.dao.DB.Select("`app_id`,`build_id`,`config_ids`,`force`,`mark`,`operator`").Where("id=?", tagID).Model(&model.Tag{}).Row()184 if err = row.Scan(&tag.AppID, &tag.BuildID, &tag.ConfigIDs, &tag.Force, &tag.Mark, &tag.Operator); err != nil {185 log.Error("RollBackTag(%v) err(%v)", tagID, err)186 if err == sql.ErrNoRows {187 err = ecode.NothingFound188 }189 }190 return191}192// GetConfigIDS ...193func (s *Service) GetConfigIDS(tagIDS []int64) (tags []*model.Tag, err error) {194 if err = s.dao.DB.Where("id in (?)", tagIDS).Find(&tags).Error; err != nil {195 log.Error("GetConfigIDS err(%v)", err)196 }197 return198}199// LastTasConfigDiff ...200func (s *Service) LastTasConfigDiff(tagID, appID, buildID int64) (tag *model.Tag, err error) {201 tag = new(model.Tag)202 if err = s.dao.DB.Where("id < ? and app_id = ? and build_id = ?", tagID, appID, buildID).Order("id desc").First(tag).Error; err != nil {203 log.Error("LastTasConfigDiff() error(%v)", err)204 if err == sql.ErrNoRows {205 err = nil206 }207 return208 }209 return210}...

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build.go

Source:build.go Github

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...12 if app, err = s.AppByTree(treeID, env, zone); err != nil {13 return14 }15 build.AppID = app.ID16 return s.dao.DB.Create(build).Error17}18//UpdateTag update tag.19func (s *Service) UpdateTag(ctx context.Context, treeID int64, env, zone, name string, tag *model.Tag) (err error) {20 var (21 app *model.App22 build *model.Build23 )24 if app, err = s.AppByTree(treeID, env, zone); err != nil {25 return26 }27 if build, err = s.BuildByName(app.ID, name); err != nil {28 if err != ecode.NothingFound {29 return30 }31 build = &model.Build{AppID: app.ID, Name: name, Mark: tag.Mark, Operator: tag.Operator}32 if err = s.dao.DB.Create(build).Error; err != nil {33 log.Error("CreateBuild(%s) error(%v)", build.Name, err)34 return35 }36 }37 tag.AppID = app.ID38 tag.BuildID = build.ID39 if err = s.dao.DB.Create(&tag).Error; err != nil {40 log.Error("CreateTag(%s) error(%v)", tag.Mark, err)41 return42 }43 if tag.Force == 1 {44 //Clear stand-alone force45 forces := []*model.Force{}46 if err = s.dao.DB.Where("app_id = ?", app.ID).Find(&forces).Error; err != nil {47 log.Error("select forces(%s) error(%v)", app.ID, err)48 return49 }50 mHosts := model.MapHosts{}51 for _, val := range forces {52 mHosts[val.Hostname] = val.IP53 }54 if len(mHosts) > 0 {55 if err = s.ClearForce(ctx, treeID, env, zone, name, mHosts); err != nil {56 log.Error("clear forces(%s) error(%v)", app.ID, err)57 return58 }59 }60 }61 tx := s.dao.DB.Begin()62 if err = tx.Model(&model.Build{ID: build.ID}).Update(map[string]interface{}{63 "tag_id": tag.ID,64 "operator": tag.Operator,65 }).Error; err != nil {66 tx.Rollback()67 log.Error("updateTagID(%d) error(%v)", tag.ID, err)68 return69 }70 //push71 if err = s.Push(ctx, treeID, env, zone, build.Name, tag.ID); err != nil {72 tx.Rollback()73 return74 }75 tx.Commit()76 return77}78//UpdateTagID update tag.79func (s *Service) UpdateTagID(ctx context.Context, env, zone, bName string, tag, TreeID int64) (err error) {80 build := new(model.Build)81 build.Name = bName82 build.TagID = tag83 var app *model.App84 if app, err = s.AppByTree(TreeID, env, zone); err != nil {85 return86 }87 tx := s.dao.DB.Begin()88 if err = tx.Model(&model.Build{}).Where("app_id = ? and name = ?", app.ID, build.Name).Update(map[string]interface{}{89 "tag_id": build.TagID,90 "operator": build.Operator,91 }).Error; err != nil {92 tx.Rollback()93 log.Error("updateTagID(%d) error(%v)", build.TagID, err)94 return95 }96 if err = s.Push(ctx, TreeID, env, zone, build.Name, build.TagID); err != nil {97 tx.Rollback()98 return99 }100 tx.Commit()101 return102}103//Builds get builds by app id.104func (s *Service) Builds(treeID int64, appName, env, zone string) (builds []*model.Build, err error) {105 var (106 app *model.App107 tag *model.Tag108 )109 if app, err = s.AppByTree(treeID, env, zone); err != nil {110 if err == ecode.NothingFound {111 if err = s.CreateApp(appName, env, zone, treeID); err == nil {112 builds = make([]*model.Build, 0)113 }114 return115 }116 }117 if builds, err = s.BuildsByApp(app.ID); err != nil {118 return119 }120 for _, build := range builds {121 if tag, err = s.Tag(build.TagID); err != nil {122 if err == ecode.NothingFound {123 err = nil124 }125 }126 build.Mark = tag.Mark127 build.Operator = tag.Operator128 build.Mtime = tag.Mtime129 }130 return131}132//BuildsByApp buildsByApp.133func (s *Service) BuildsByApp(appID int64) (builds []*model.Build, err error) {134 if err = s.dao.DB.Find(&builds, "app_id = ? ", appID).Error; err != nil {135 log.Error("BuildsByApp(%s) error(%v)", appID, err)136 if err == sql.ErrNoRows {137 err = nil138 }139 }140 return141}142//Build get Build by build ID.143func (s *Service) Build(ID int64) (build *model.Build, err error) {144 build = new(model.Build)145 if err = s.dao.DB.First(&build, ID).Error; err != nil {146 log.Error("Build(%v) error(%v)", ID, err)147 if err == sql.ErrNoRows {148 err = ecode.NothingFound149 }150 }151 return152}153//Delete delete Build by build ID.154func (s *Service) Delete(ID int64) (err error) {155 if err = s.dao.DB.Delete(&model.Build{}, ID).Error; err != nil {156 log.Error("Delete(%v) error(%v)", ID, err)157 }158 return159}160//BuildByName get Build by build ID.161func (s *Service) BuildByName(appID int64, name string) (build *model.Build, err error) {162 build = new(model.Build)163 if err = s.dao.DB.First(&build, "app_id = ? and name = ?", appID, name).Error; err != nil {164 log.Error("BuildByName(%s) error(%v)", name, err)165 if err == sql.ErrNoRows {166 err = ecode.NothingFound167 }168 }169 return170}171//GetDelInfos get delete info.172func (s *Service) GetDelInfos(c context.Context, BuildID int64) (err error) {173 build := &model.Build{}174 if err = s.dao.DB.Where("id = ?", BuildID).First(build).Error; err != nil {175 log.Error("GetDelInfos BuildID(%v) error(%v)", BuildID, err)176 return177 }178 app := &model.App{}179 if err = s.dao.DB.Where("id = ?", build.AppID).First(app).Error; err != nil {180 log.Error("GetDelInfos AppID(%v) error(%v)", build.AppID, err)181 return182 }183 hosts, err := s.Hosts(c, app.TreeID, app.Name, app.Env, app.Zone)184 if err != nil {185 log.Error("GetDelInfos hosts(%v) error(%v)", hosts, err)186 return187 }188 for _, v := range hosts {189 if v.BuildVersion == build.Name {190 err = ecode.NothingFound191 return192 }193 }194 return195}196// AllBuilds ...197func (s *Service) AllBuilds(appIDS []int64) (builds []*model.Build, err error) {198 if err = s.dao.DB.Where("app_id in (?)", appIDS).Find(&builds).Error; err != nil {199 log.Error("AllBuild error(%v)", err)200 }201 return202}...

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

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

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1import (2func main() {3 pkg, err := build.Import("fmt", "", build.FindOnly)4 if err != nil {5 fmt.Println("Error: ", err)6 os.Exit(1)7 }8 fmt.Println(pkg)9}10 /usr/lib/go/src/fmt (from $GOROOT)11 /home/username/go/src/fmt (from $GOPATH)12import (13func main() {14 pkg, err := build.Import("fmt", "", build.FindOnly)15 if err != nil {16 fmt.Println(err.Error())17 os.Exit(1)18 }19 fmt.Println(pkg)20}21 /usr/lib/go/src/fmt (from $GOROOT)22 /home/username/go/src/fmt (from $GOPATH)23import (24func main() {25 pkg, err := build.Import("fmt", "", build.FindOnly)26 if err != nil {27 fmt.Println(err.Errorf("Error: %v", err))28 os.Exit(1)29 }30 fmt.Println(pkg)31}32 /usr/lib/go/src/fmt (from $GOROOT)33 /home/username/go/src/fmt (from $GOPATH)

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1import (2func main() {3 cmd := exec.Command("go", "build")4 err := cmd.Run()5 if err != nil {6 fmt.Println("Error:", err)7 }8}9import (10func main() {11 cmd := exec.Command("go", "build")12 output, err := cmd.Output()13 if err != nil {14 fmt.Println("Error:", err)15 }16 fmt.Println(string(output))17}18import (19func main() {20 cmd := exec.Command("go", "build")21 output, err := cmd.CombinedOutput()22 if err != nil {23 fmt.Println("Error:", err)24 }25 fmt.Println(string(output))26}27import (28func main() {29 cmd := exec.Command("go", "build")30 output, err := cmd.CombinedOutput()31 if err != nil {32 fmt.Println("Error:", err)33 }34 fmt.Println(string(output))35}

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1import (2func main() {3 _, err := build.Import("fmt", "", 0)4 if err != nil {5 fmt.Println(err)6 }7}8 /usr/local/go/src/fmt (from $GOROOT)9 /home/knoldus/go/src/fmt (from $GOPATH)10import (11func main() {12 err := errors.New("This is an error")13 fmt.Println(err)14}15import (16func main() {17 file, err := os.Create("file.txt")18 if err != nil {19 fmt.Println(err)20 }21 fmt.Println(file)22}23import (24func main() {25 _, err := io.WriteString(nil, "Hello World")26 if err != nil {27 fmt.Println(err)28 }29}30import (31func main() {32 _, err := regexp.Compile("*")33 if err != nil {34 fmt.Println(err)35 }36}37import (38func main() {39 _, err := strconv.Atoi("Hello World")40 if err != nil {41 fmt.Println(err)42 }43}44import (45func main() {46 _, err := time.Parse("2006-01-02", "2018-13-02")47 if err != nil {48 fmt.Println(err)49 }50}

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Error

Using AI Code Generation

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1import (2func main() {3 cmd := exec.Command("go", "get", "github.com/julienschmidt/httprouter")4 err := cmd.Run()5 if err != nil {6 fmt.Println("Error: ", err)7 }8}9 /usr/local/go/src/github.com/julienschmidt/httprouter (from $GOROOT)10 /home/ashish/go/src/github.com/julienschmidt/httprouter (from $GOPATH)11import (12func main() {13 cmd := exec.Command("go", "get", "github.com/julienschmidt/httprouter")14 out, err := cmd.CombinedOutput()15 if err != nil {16 fmt.Println("Error: ", err)17 fmt.Println("Output: ", string(out))18 }19}20 /usr/local/go/src/github.com/julienschmidt/httprouter (from $GOROOT)21 /home/ashish/go/src/github.com/julienschmidt/httprouter (from $GOPATH)

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Error

Using AI Code Generation

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1import (2func main() {3 wd, err := os.Getwd()4 if err != nil {5 fmt.Println(err)6 }7 path := filepath.Join(wd, "src")8 pkg, err := ctx.Import("github.com/ardanlabs/gotraining/topics/go/language/errors/example2/lib", path, build.FindOnly)9 if err != nil {10 fmt.Println(err)11 }12 fmt.Println("pkg:", pkg)13}14 /usr/local/go/src/github.com/ardanlabs/gotraining/topics/go/language/errors/example2/lib (from $GOROOT)15 /Users/ardanlabs/go/src/github.com/ardanlabs/gotraining/topics/go/language/errors/example2/lib (from $GOPATH)16The error returned by the Import method is not of type *build.NoGoError. It is of type *build.NoGoError. This is because the Import method is a wrapper around the importDir method. The importDir method is the one that actually returns the *build.NoGoError type. The Import method wraps the importDir method and returns the error type as a *

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Error

Using AI Code Generation

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1func main() {2 err := errors.New("error")3 fmt.Println(err.Error())4}5func main() {6 err := errors.New("error")7 fmt.Println(err)8}9func main() {10 err := errors.New("error")11 fmt.Println(fmt.Sprintf("%v", err))12}13func main() {14 err := errors.New("error")15 fmt.Println(fmt.Sprintf("%s", err))16}17func main() {18 err := errors.New("error")19 fmt.Println(fmt.Sprintf("%q", err))20}21func main() {22 err := errors.New("error")23 fmt.Println(fmt.Sprintf("%+v", err))24}25{error}26func main() {27 err := errors.New("error")28 fmt.Println(fmt.Sprintf("%#v", err))29}30errors.New("error")31func main() {32 err := errors.New("error")33 fmt.Println(fmt.Sprintf("%T", err))34}35func main() {36 err := errors.New("error")37 fmt.Println(fmt.Sprintf("%b", err))38}

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Error

Using AI Code Generation

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1import (2func main() {3 pkg, err := build.Import("github.com/astaxie/beego", "", 0)4 if err != nil {5 fmt.Println(err.Error())6 }7 fmt.Println(pkg)8}9 /usr/local/go/src/github.com/astaxie/beego (from $GOROOT)10 /home/username/go/src/github.com/astaxie/beego (from $GOPATH)11{github.com/astaxie/beego /home/username/go/src/github.com/astaxie/beego [github.com/astaxie/beego/context github.com/astaxie/beego/logs github.com/astaxie/beego/orm github.com/astaxie/beego/session github.com/astaxie/beego/utils github.com/astaxie/beego/validation github.com/astaxie/beego/cache github.com/astaxie/beego/config github.com/astaxie/beego/migration github.com/astaxie/beego/session/redis github.com/astaxie/beego/session/memcache github.com/astaxie/beego/session/mysql github.com/astaxie/beego/session/mongodb github.com/astaxie/beego/session/file github.com/astaxie/beego/session/memcache_test github.com/astaxie/beego/session/redis_test github.com/astaxie/beego/session/mysql_test github.com/astaxie/beego/session/mongodb_test github.com/astaxie/beego/session/file_test github.com/astaxie/beego/session/memcache_test/memcache github.com/astaxie/beego/session/redis_test/redis github.com/astaxie/beego/session/mysql_test/mysql github.com/astaxie/beego/session/mongodb_test/mongodb github.com/astaxie/beego/session/file_test/file github.com/astaxie/beego/session/memcache_test/memcache_test github.com/astaxie/beego/session/redis_test/redis_test github.com/astaxie/beego/session/mysql_test/mysql_test github.com/astaxie/beego/session/mongodb_test/mongodb_test github.com/astaxie

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