Bump golangci-lint to 2.7.2, enable modernize stringsbuilder (#36180)

Fixes were done automatically by `make lint-go-fix`. These modernize
fixes are very readable.

Co-authored-by: Giteabot <[email protected]>

Author: silverwind

.golangci.yml

@@ -111,9 +111,6 @@ linters:
         - require-error
     usetesting:
       os-temp-dir: true
-    modernize:
-      disable:
-        - stringsbuilder
     perfsprint:
       concat-loop: false
     govet:

Makefile

@@ -32,7 +32,7 @@ XGO_VERSION := go-1.25.x
 AIR_PACKAGE ?= github.com/air-verse/air@v1
 EDITORCONFIG_CHECKER_PACKAGE ?= github.com/editorconfig-checker/editorconfig-checker/v3/cmd/editorconfig-checker@v3
 GOFUMPT_PACKAGE ?= mvdan.cc/[email protected]
-GOLANGCI_LINT_PACKAGE ?= github.com/golangci/golangci-lint/v2/cmd/[email protected].0
+GOLANGCI_LINT_PACKAGE ?= github.com/golangci/golangci-lint/v2/cmd/[email protected].2
 GXZ_PACKAGE ?= github.com/ulikunitz/xz/cmd/[email protected]
 MISSPELL_PACKAGE ?= github.com/golangci/misspell/cmd/[email protected]
 SWAGGER_PACKAGE ?= github.com/go-swagger/go-swagger/cmd/[email protected]

models/perm/access/repo_permission.go

@@ -8,6 +8,7 @@ import (
 	"errors"
 	"fmt"
 	"slices"
+	"strings"
 
 	actions_model "code.gitea.io/gitea/models/actions"
 	"code.gitea.io/gitea/models/db"
@@ -169,7 +170,8 @@ func (p *Permission) ReadableUnitTypes() []unit.Type {
 }
 
 func (p *Permission) LogString() string {
-	format := "<Permission AccessMode=%s, %d Units, %d UnitsMode(s): ["
+	var format strings.Builder
+	format.WriteString("<Permission AccessMode=%s, %d Units, %d UnitsMode(s): [")
 	args := []any{p.AccessMode.ToString(), len(p.units), len(p.unitsMode)}
 
 	for i, u := range p.units {
@@ -181,19 +183,19 @@ func (p *Permission) LogString() string {
 				config = err.Error()
 			}
 		}
-		format += "\n\tunits[%d]: ID=%d RepoID=%d Type=%s Config=%s"
+		format.WriteString("\n\tunits[%d]: ID=%d RepoID=%d Type=%s Config=%s")
 		args = append(args, i, u.ID, u.RepoID, u.Type.LogString(), config)
 	}
 	for key, value := range p.unitsMode {
-		format += "\n\tunitsMode[%-v]: %-v"
+		format.WriteString("\n\tunitsMode[%-v]: %-v")
 		args = append(args, key.LogString(), value.LogString())
 	}
-	format += "\n\tanonymousAccessMode: %-v"
+	format.WriteString("\n\tanonymousAccessMode: %-v")
 	args = append(args, p.anonymousAccessMode)
-	format += "\n\teveryoneAccessMode: %-v"
+	format.WriteString("\n\teveryoneAccessMode: %-v")
 	args = append(args, p.everyoneAccessMode)
-	format += "\n\t]>"
-	return fmt.Sprintf(format, args...)
+	format.WriteString("\n\t]>")
+	return fmt.Sprintf(format.String(), args...)
 }
 
 func applyPublicAccessPermission(unitType unit.Type, accessMode perm_model.AccessMode, modeMap *map[unit.Type]perm_model.AccessMode) {

modules/git/foreachref/format.go

@@ -75,9 +75,9 @@ func (f Format) Parser(r io.Reader) *Parser {
 // hexEscaped produces hex-escpaed characters from a string. For example, "\n\0"
 // would turn into "%0a%00".
 func (f Format) hexEscaped(delim []byte) string {
-	escaped := ""
+	var escaped strings.Builder
 	for i := range delim {
-		escaped += "%" + hex.EncodeToString([]byte{delim[i]})
+		escaped.WriteString("%" + hex.EncodeToString([]byte{delim[i]}))
 	}
-	return escaped
+	return escaped.String()
 }

modules/setting/config.go

@@ -4,6 +4,7 @@
 package setting
 
 import (
+	"strings"
 	"sync"
 
 	"code.gitea.io/gitea/modules/log"
@@ -23,11 +24,11 @@ type OpenWithEditorApp struct {
 type OpenWithEditorAppsType []OpenWithEditorApp
 
 func (t OpenWithEditorAppsType) ToTextareaString() string {
-	ret := ""
+	var ret strings.Builder
 	for _, app := range t {
-		ret += app.DisplayName + " = " + app.OpenURL + "\n"
+		ret.WriteString(app.DisplayName + " = " + app.OpenURL + "\n")
 	}
-	return ret
+	return ret.String()
 }
 
 func DefaultOpenWithEditorApps() OpenWithEditorAppsType {

modules/templates/util_render.go

@@ -249,17 +249,18 @@ func (ut *RenderUtils) MarkdownToHtml(input string) template.HTML { //nolint:rev
 func (ut *RenderUtils) RenderLabels(labels []*issues_model.Label, repoLink string, issue *issues_model.Issue) template.HTML {
 	isPullRequest := issue != nil && issue.IsPull
 	baseLink := fmt.Sprintf("%s/%s", repoLink, util.Iif(isPullRequest, "pulls", "issues"))
-	htmlCode := `<span class="labels-list">`
+	var htmlCode strings.Builder
+	htmlCode.WriteString(`<span class="labels-list">`)
 	for _, label := range labels {
 		// Protect against nil value in labels - shouldn't happen but would cause a panic if so
 		if label == nil {
 			continue
 		}
 		link := fmt.Sprintf("%s?labels=%d", baseLink, label.ID)
-		htmlCode += string(ut.RenderLabelWithLink(label, template.URL(link)))
+		htmlCode.WriteString(string(ut.RenderLabelWithLink(label, template.URL(link))))
 	}
-	htmlCode += "</span>"
-	return template.HTML(htmlCode)
+	htmlCode.WriteString("</span>")
+	return template.HTML(htmlCode.String())
 }
 
 func (ut *RenderUtils) RenderThemeItem(info *webtheme.ThemeMetaInfo, iconSize int) template.HTML {

routers/api/packages/rubygems/rubygems.go

@@ -433,15 +433,16 @@ func makePackageVersionDependency(ctx *context.Context, version *packages_model.
 }
 
 func makePackageInfo(ctx *context.Context, versions []*packages_model.PackageVersion, c *cache.EphemeralCache) (string, error) {
-	ret := "---\n"
+	var ret strings.Builder
+	ret.WriteString("---\n")
 	for _, v := range versions {
 		dep, err := makePackageVersionDependency(ctx, v, c)
 		if err != nil {
 			return "", err
 		}
-		ret += dep + "\n"
+		ret.WriteString(dep + "\n")
 	}
-	return ret, nil
+	return ret.String(), nil
 }
 
 func makeGemFullFileName(gemName, version, platform string) string {

routers/web/auth/oauth2_provider.go

@@ -179,11 +179,11 @@ func AuthorizeOAuth(ctx *context.Context) {
 	errs := binding.Errors{}
 	errs = form.Validate(ctx.Req, errs)
 	if len(errs) > 0 {
-		errstring := ""
+		var errstring strings.Builder
 		for _, e := range errs {
-			errstring += e.Error() + "\n"
+			errstring.WriteString(e.Error() + "\n")
 		}
-		ctx.ServerError("AuthorizeOAuth: Validate: ", fmt.Errorf("errors occurred during validation: %s", errstring))
+		ctx.ServerError("AuthorizeOAuth: Validate: ", fmt.Errorf("errors occurred during validation: %s", errstring.String()))
 		return
 	}
 

services/webhook/dingtalk.go

@@ -72,22 +72,22 @@ func (dc dingtalkConvertor) Push(p *api.PushPayload) (DingtalkPayload, error) {
 
 	title := fmt.Sprintf("[%s:%s] %s", p.Repo.FullName, branchName, commitDesc)
 
-	var text string
+	var text strings.Builder
 	// for each commit, generate attachment text
 	for i, commit := range p.Commits {
 		var authorName string
 		if commit.Author != nil {
 			authorName = " - " + commit.Author.Name
 		}
-		text += fmt.Sprintf("[%s](%s) %s", commit.ID[:7], commit.URL,
-			strings.TrimRight(commit.Message, "\r\n")) + authorName
+		text.WriteString(fmt.Sprintf("[%s](%s) %s", commit.ID[:7], commit.URL,
+			strings.TrimRight(commit.Message, "\r\n")) + authorName)
 		// add linebreak to each commit but the last
 		if i < len(p.Commits)-1 {
-			text += "\r\n"
+			text.WriteString("\r\n")
 		}
 	}
 
-	return createDingtalkPayload(title, text, linkText, titleLink), nil
+	return createDingtalkPayload(title, text.String(), linkText, titleLink), nil
 }
 
 // Issue implements PayloadConvertor Issue method

services/webhook/discord.go

@@ -159,7 +159,7 @@ func (d discordConvertor) Push(p *api.PushPayload) (DiscordPayload, error) {
 
 	title := fmt.Sprintf("[%s:%s] %s", p.Repo.FullName, branchName, commitDesc)
 
-	var text string
+	var text strings.Builder
 	// for each commit, generate attachment text
 	for i, commit := range p.Commits {
 		// limit the commit message display to just the summary, otherwise it would be hard to read
@@ -169,14 +169,14 @@ func (d discordConvertor) Push(p *api.PushPayload) (DiscordPayload, error) {
 		if utf8.RuneCountInString(message) > 50 {
 			message = fmt.Sprintf("%.47s...", message)
 		}
-		text += fmt.Sprintf("[%s](%s) %s - %s", commit.ID[:7], commit.URL, message, commit.Author.Name)
+		text.WriteString(fmt.Sprintf("[%s](%s) %s - %s", commit.ID[:7], commit.URL, message, commit.Author.Name))
 		// add linebreak to each commit but the last
 		if i < len(p.Commits)-1 {
-			text += "\n"
+			text.WriteString("\n")
 		}
 	}
 
-	return d.createPayload(p.Sender, title, text, titleLink, greenColor), nil
+	return d.createPayload(p.Sender, title, text.String(), titleLink, greenColor), nil
 }
 
 // Issue implements PayloadConvertor Issue method