Adding upstream version 9.0.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

16 files changed, 1674 insertions, 0 deletions

diff --git a/build.go b/build.go
new file mode 100644
index 0000000..234579b
--- /dev/null
+++ b/build.go
@@ -0,0 +1,23 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build vendor
+
+package main
+
+// Libraries that are included to vendor utilities used during build.
+// These libraries will not be included in a normal compilation.
+
+import (
+	// for embed
+	_ "github.com/shurcooL/vfsgen"
+
+	// for cover merge
+	_ "golang.org/x/tools/cover"
+
+	// for vet
+	_ "code.gitea.io/gitea-vet"
+
+	// for swagger
+	_ "github.com/go-swagger/go-swagger/cmd/swagger"
+)
diff --git a/build/backport-locales.go b/build/backport-locales.go
new file mode 100644
index 0000000..3df83ea
--- /dev/null
+++ b/build/backport-locales.go
@@ -0,0 +1,115 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+
+	"code.gitea.io/gitea/modules/container"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Println("usage: backport-locales <to-ref>")
+		fmt.Println("eg: backport-locales release/v1.19")
+		os.Exit(1)
+	}
+
+	mustNoErr := func(err error) {
+		if err != nil {
+			panic(err)
+		}
+	}
+	collectInis := func(ref string) map[string]setting.ConfigProvider {
+		inis := map[string]setting.ConfigProvider{}
+		err := filepath.WalkDir("options/locale", func(path string, d os.DirEntry, err error) error {
+			if err != nil {
+				return err
+			}
+			if d.IsDir() || !strings.HasSuffix(d.Name(), ".ini") {
+				return nil
+			}
+			cfg, err := setting.NewConfigProviderForLocale(path)
+			mustNoErr(err)
+			inis[path] = cfg
+			fmt.Printf("collecting: %s @ %s\n", path, ref)
+			return nil
+		})
+		mustNoErr(err)
+		return inis
+	}
+
+	// collect new locales from current working directory
+	inisNew := collectInis("HEAD")
+
+	// switch to the target ref, and collect the old locales
+	cmd := exec.Command("git", "checkout", os.Args[1])
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	mustNoErr(cmd.Run())
+	inisOld := collectInis(os.Args[1])
+
+	// use old en-US as the base, and copy the new translations to the old locales
+	enUsOld := inisOld["options/locale/locale_en-US.ini"]
+	brokenWarned := make(container.Set[string])
+	for path, iniOld := range inisOld {
+		if iniOld == enUsOld {
+			continue
+		}
+		iniNew := inisNew[path]
+		if iniNew == nil {
+			continue
+		}
+		for _, secEnUS := range enUsOld.Sections() {
+			secOld := iniOld.Section(secEnUS.Name())
+			secNew := iniNew.Section(secEnUS.Name())
+			for _, keyEnUs := range secEnUS.Keys() {
+				if secNew.HasKey(keyEnUs.Name()) {
+					oldStr := secOld.Key(keyEnUs.Name()).String()
+					newStr := secNew.Key(keyEnUs.Name()).String()
+					broken := oldStr != "" && strings.Count(oldStr, "%") != strings.Count(newStr, "%")
+					broken = broken || strings.Contains(oldStr, "\n") || strings.Contains(oldStr, "\n")
+					if broken {
+						brokenWarned.Add(secOld.Name() + "." + keyEnUs.Name())
+						fmt.Println("----")
+						fmt.Printf("WARNING: skip broken locale: %s , [%s] %s\n", path, secEnUS.Name(), keyEnUs.Name())
+						fmt.Printf("\told: %s\n", strings.ReplaceAll(oldStr, "\n", "\\n"))
+						fmt.Printf("\tnew: %s\n", strings.ReplaceAll(newStr, "\n", "\\n"))
+						continue
+					}
+					secOld.Key(keyEnUs.Name()).SetValue(newStr)
+				}
+			}
+		}
+		mustNoErr(iniOld.SaveTo(path))
+	}
+
+	fmt.Println("========")
+
+	for path, iniNew := range inisNew {
+		for _, sec := range iniNew.Sections() {
+			for _, key := range sec.Keys() {
+				str := sec.Key(key.Name()).String()
+				broken := strings.Contains(str, "\n")
+				broken = broken || strings.HasPrefix(str, "`") != strings.HasSuffix(str, "`")
+				broken = broken || strings.HasPrefix(str, "\"`")
+				broken = broken || strings.HasPrefix(str, "`\"")
+				broken = broken || strings.Count(str, `"`)%2 == 1
+				broken = broken || strings.Count(str, "`")%2 == 1
+				if broken && !brokenWarned.Contains(sec.Name()+"."+key.Name()) {
+					fmt.Printf("WARNING: found broken locale: %s , [%s] %s\n", path, sec.Name(), key.Name())
+					fmt.Printf("\tstr: %s\n", strings.ReplaceAll(str, "\n", "\\n"))
+					fmt.Println("----")
+				}
+			}
+		}
+	}
+}
diff --git a/build/code-batch-process.go b/build/code-batch-process.go
new file mode 100644
index 0000000..cc2ab68
--- /dev/null
+++ b/build/code-batch-process.go
@@ -0,0 +1,281 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"code.gitea.io/gitea/build/codeformat"
+)
+
+// Windows has a limitation for command line arguments, the size can not exceed 32KB.
+// So we have to feed the files to some tools (like gofmt) batch by batch
+
+// We also introduce a `gitea-fmt` command, it does better import formatting than gofmt/goimports. `gitea-fmt` calls `gofmt` internally.
+
+var optionLogVerbose bool
+
+func logVerbose(msg string, args ...any) {
+	if optionLogVerbose {
+		log.Printf(msg, args...)
+	}
+}
+
+func passThroughCmd(cmd string, args []string) error {
+	foundCmd, err := exec.LookPath(cmd)
+	if err != nil {
+		log.Fatalf("can not find cmd: %s", cmd)
+	}
+	c := exec.Cmd{
+		Path:   foundCmd,
+		Args:   append([]string{cmd}, args...),
+		Stdin:  os.Stdin,
+		Stdout: os.Stdout,
+		Stderr: os.Stderr,
+	}
+	return c.Run()
+}
+
+type fileCollector struct {
+	dirs            []string
+	includePatterns []*regexp.Regexp
+	excludePatterns []*regexp.Regexp
+	batchSize       int
+}
+
+func newFileCollector(fileFilter string, batchSize int) (*fileCollector, error) {
+	co := &fileCollector{batchSize: batchSize}
+	if fileFilter == "go-own" {
+		co.dirs = []string{
+			"build",
+			"cmd",
+			"contrib",
+			"tests",
+			"models",
+			"modules",
+			"routers",
+			"services",
+		}
+		co.includePatterns = append(co.includePatterns, regexp.MustCompile(`.*\.go$`))
+
+		co.excludePatterns = append(co.excludePatterns, regexp.MustCompile(`.*\bbindata\.go$`))
+		co.excludePatterns = append(co.excludePatterns, regexp.MustCompile(`\.pb\.go$`))
+		co.excludePatterns = append(co.excludePatterns, regexp.MustCompile(`tests/gitea-repositories-meta`))
+		co.excludePatterns = append(co.excludePatterns, regexp.MustCompile(`tests/integration/migration-test`))
+		co.excludePatterns = append(co.excludePatterns, regexp.MustCompile(`modules/git/tests`))
+		co.excludePatterns = append(co.excludePatterns, regexp.MustCompile(`models/fixtures`))
+		co.excludePatterns = append(co.excludePatterns, regexp.MustCompile(`models/migrations/fixtures`))
+		co.excludePatterns = append(co.excludePatterns, regexp.MustCompile(`services/gitdiff/testdata`))
+	}
+
+	if co.dirs == nil {
+		return nil, fmt.Errorf("unknown file-filter: %s", fileFilter)
+	}
+	return co, nil
+}
+
+func (fc *fileCollector) matchPatterns(path string, regexps []*regexp.Regexp) bool {
+	path = strings.ReplaceAll(path, "\\", "/")
+	for _, re := range regexps {
+		if re.MatchString(path) {
+			return true
+		}
+	}
+	return false
+}
+
+func (fc *fileCollector) collectFiles() (res [][]string, err error) {
+	var batch []string
+	for _, dir := range fc.dirs {
+		err = filepath.WalkDir(dir, func(path string, d os.DirEntry, err error) error {
+			include := len(fc.includePatterns) == 0 || fc.matchPatterns(path, fc.includePatterns)
+			exclude := fc.matchPatterns(path, fc.excludePatterns)
+			process := include && !exclude
+			if !process {
+				if d.IsDir() {
+					if exclude {
+						logVerbose("exclude dir %s", path)
+						return filepath.SkipDir
+					}
+					// for a directory, if it is not excluded explicitly, we should walk into
+					return nil
+				}
+				// for a file, we skip it if it shouldn't be processed
+				logVerbose("skip process %s", path)
+				return nil
+			}
+			if d.IsDir() {
+				// skip dir, we don't add dirs to the file list now
+				return nil
+			}
+			if len(batch) >= fc.batchSize {
+				res = append(res, batch)
+				batch = nil
+			}
+			batch = append(batch, path)
+			return nil
+		})
+		if err != nil {
+			return nil, err
+		}
+	}
+	res = append(res, batch)
+	return res, nil
+}
+
+// substArgFiles expands the {file-list} to a real file list for commands
+func substArgFiles(args, files []string) []string {
+	for i, s := range args {
+		if s == "{file-list}" {
+			newArgs := append(args[:i], files...)
+			newArgs = append(newArgs, args[i+1:]...)
+			return newArgs
+		}
+	}
+	return args
+}
+
+func exitWithCmdErrors(subCmd string, subArgs []string, cmdErrors []error) {
+	for _, err := range cmdErrors {
+		if err != nil {
+			if exitError, ok := err.(*exec.ExitError); ok {
+				exitCode := exitError.ExitCode()
+				log.Printf("run command failed (code=%d): %s %v", exitCode, subCmd, subArgs)
+				os.Exit(exitCode)
+			} else {
+				log.Fatalf("run command failed (err=%s) %s %v", err, subCmd, subArgs)
+			}
+		}
+	}
+}
+
+func parseArgs() (mainOptions map[string]string, subCmd string, subArgs []string) {
+	mainOptions = map[string]string{}
+	for i := 1; i < len(os.Args); i++ {
+		arg := os.Args[i]
+		if arg == "" {
+			break
+		}
+		if arg[0] == '-' {
+			arg = strings.TrimPrefix(arg, "-")
+			arg = strings.TrimPrefix(arg, "-")
+			fields := strings.SplitN(arg, "=", 2)
+			if len(fields) == 1 {
+				mainOptions[fields[0]] = "1"
+			} else {
+				mainOptions[fields[0]] = fields[1]
+			}
+		} else {
+			subCmd = arg
+			subArgs = os.Args[i+1:]
+			break
+		}
+	}
+	return
+}
+
+func showUsage() {
+	fmt.Printf(`Usage: %[1]s [options] {command} [arguments]
+
+Options:
+  --verbose
+  --file-filter=go-own
+  --batch-size=100
+
+Commands:
+  %[1]s gofmt ...
+
+Arguments:
+  {file-list}     the file list
+
+Example:
+  %[1]s gofmt -s -d {file-list}
+
+`, "file-batch-exec")
+}
+
+func newFileCollectorFromMainOptions(mainOptions map[string]string) (fc *fileCollector, err error) {
+	fileFilter := mainOptions["file-filter"]
+	if fileFilter == "" {
+		fileFilter = "go-own"
+	}
+	batchSize, _ := strconv.Atoi(mainOptions["batch-size"])
+	if batchSize == 0 {
+		batchSize = 100
+	}
+
+	return newFileCollector(fileFilter, batchSize)
+}
+
+func containsString(a []string, s string) bool {
+	for _, v := range a {
+		if v == s {
+			return true
+		}
+	}
+	return false
+}
+
+func giteaFormatGoImports(files []string, doWriteFile bool) error {
+	for _, file := range files {
+		if err := codeformat.FormatGoImports(file, doWriteFile); err != nil {
+			log.Printf("failed to format go imports: %s, err=%v", file, err)
+			return err
+		}
+	}
+	return nil
+}
+
+func main() {
+	mainOptions, subCmd, subArgs := parseArgs()
+	if subCmd == "" {
+		showUsage()
+		os.Exit(1)
+	}
+	optionLogVerbose = mainOptions["verbose"] != ""
+
+	fc, err := newFileCollectorFromMainOptions(mainOptions)
+	if err != nil {
+		log.Fatalf("can not create file collector: %s", err.Error())
+	}
+
+	fileBatches, err := fc.collectFiles()
+	if err != nil {
+		log.Fatalf("can not collect files: %s", err.Error())
+	}
+
+	processed := 0
+	var cmdErrors []error
+	for _, files := range fileBatches {
+		if len(files) == 0 {
+			break
+		}
+		substArgs := substArgFiles(subArgs, files)
+		logVerbose("batch cmd: %s %v", subCmd, substArgs)
+		switch subCmd {
+		case "gitea-fmt":
+			if containsString(subArgs, "-d") {
+				log.Print("the -d option is not supported by gitea-fmt")
+			}
+			cmdErrors = append(cmdErrors, giteaFormatGoImports(files, containsString(subArgs, "-w")))
+			cmdErrors = append(cmdErrors, passThroughCmd("gofmt", append([]string{"-w", "-r", "interface{} -> any"}, substArgs...)))
+			cmdErrors = append(cmdErrors, passThroughCmd("go", append([]string{"run", os.Getenv("GOFUMPT_PACKAGE"), "-extra"}, substArgs...)))
+		default:
+			log.Fatalf("unknown cmd: %s %v", subCmd, subArgs)
+		}
+		processed += len(files)
+	}
+
+	logVerbose("processed %d files", processed)
+	exitWithCmdErrors(subCmd, subArgs, cmdErrors)
+}
diff --git a/build/codeformat/formatimports.go b/build/codeformat/formatimports.go
new file mode 100644
index 0000000..c9fc2a2
--- /dev/null
+++ b/build/codeformat/formatimports.go
@@ -0,0 +1,195 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package codeformat
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"os"
+	"sort"
+	"strings"
+)
+
+var importPackageGroupOrders = map[string]int{
+	"":                     1, // internal
+	"code.gitea.io/gitea/": 2,
+}
+
+var errInvalidCommentBetweenImports = errors.New("comments between imported packages are invalid, please move comments to the end of the package line")
+
+var (
+	importBlockBegin = []byte("\nimport (\n")
+	importBlockEnd   = []byte("\n)")
+)
+
+type importLineParsed struct {
+	group   string
+	pkg     string
+	content string
+}
+
+func parseImportLine(line string) (*importLineParsed, error) {
+	il := &importLineParsed{content: line}
+	p1 := strings.IndexRune(line, '"')
+	if p1 == -1 {
+		return nil, errors.New("invalid import line: " + line)
+	}
+	p1++
+	p := strings.IndexRune(line[p1:], '"')
+	if p == -1 {
+		return nil, errors.New("invalid import line: " + line)
+	}
+	p2 := p1 + p
+	il.pkg = line[p1:p2]
+
+	pDot := strings.IndexRune(il.pkg, '.')
+	pSlash := strings.IndexRune(il.pkg, '/')
+	if pDot != -1 && pDot < pSlash {
+		il.group = "domain-package"
+	}
+	for groupName := range importPackageGroupOrders {
+		if groupName == "" {
+			continue // skip internal
+		}
+		if strings.HasPrefix(il.pkg, groupName) {
+			il.group = groupName
+		}
+	}
+	return il, nil
+}
+
+type (
+	importLineGroup    []*importLineParsed
+	importLineGroupMap map[string]importLineGroup
+)
+
+func formatGoImports(contentBytes []byte) ([]byte, error) {
+	p1 := bytes.Index(contentBytes, importBlockBegin)
+	if p1 == -1 {
+		return nil, nil
+	}
+	p1 += len(importBlockBegin)
+	p := bytes.Index(contentBytes[p1:], importBlockEnd)
+	if p == -1 {
+		return nil, nil
+	}
+	p2 := p1 + p
+
+	importGroups := importLineGroupMap{}
+	r := bytes.NewBuffer(contentBytes[p1:p2])
+	eof := false
+	for !eof {
+		line, err := r.ReadString('\n')
+		eof = err == io.EOF
+		if err != nil && !eof {
+			return nil, err
+		}
+		line = strings.TrimSpace(line)
+		if line != "" {
+			if strings.HasPrefix(line, "//") || strings.HasPrefix(line, "/*") {
+				return nil, errInvalidCommentBetweenImports
+			}
+			importLine, err := parseImportLine(line)
+			if err != nil {
+				return nil, err
+			}
+			importGroups[importLine.group] = append(importGroups[importLine.group], importLine)
+		}
+	}
+
+	var groupNames []string
+	for groupName, importLines := range importGroups {
+		groupNames = append(groupNames, groupName)
+		sort.Slice(importLines, func(i, j int) bool {
+			return strings.Compare(importLines[i].pkg, importLines[j].pkg) < 0
+		})
+	}
+
+	sort.Slice(groupNames, func(i, j int) bool {
+		n1 := groupNames[i]
+		n2 := groupNames[j]
+		o1 := importPackageGroupOrders[n1]
+		o2 := importPackageGroupOrders[n2]
+		if o1 != 0 && o2 != 0 {
+			return o1 < o2
+		}
+		if o1 == 0 && o2 == 0 {
+			return strings.Compare(n1, n2) < 0
+		}
+		return o1 != 0
+	})
+
+	formattedBlock := bytes.Buffer{}
+	for _, groupName := range groupNames {
+		hasNormalImports := false
+		hasDummyImports := false
+		// non-dummy import comes first
+		for _, importLine := range importGroups[groupName] {
+			if strings.HasPrefix(importLine.content, "_") {
+				hasDummyImports = true
+			} else {
+				formattedBlock.WriteString("\t" + importLine.content + "\n")
+				hasNormalImports = true
+			}
+		}
+		// dummy (_ "pkg") comes later
+		if hasDummyImports {
+			if hasNormalImports {
+				formattedBlock.WriteString("\n")
+			}
+			for _, importLine := range importGroups[groupName] {
+				if strings.HasPrefix(importLine.content, "_") {
+					formattedBlock.WriteString("\t" + importLine.content + "\n")
+				}
+			}
+		}
+		formattedBlock.WriteString("\n")
+	}
+	formattedBlockBytes := bytes.TrimRight(formattedBlock.Bytes(), "\n")
+
+	var formattedBytes []byte
+	formattedBytes = append(formattedBytes, contentBytes[:p1]...)
+	formattedBytes = append(formattedBytes, formattedBlockBytes...)
+	formattedBytes = append(formattedBytes, contentBytes[p2:]...)
+	return formattedBytes, nil
+}
+
+// FormatGoImports format the imports by our rules (see unit tests)
+func FormatGoImports(file string, doWriteFile bool) error {
+	f, err := os.Open(file)
+	if err != nil {
+		return err
+	}
+	var contentBytes []byte
+	{
+		defer f.Close()
+		contentBytes, err = io.ReadAll(f)
+		if err != nil {
+			return err
+		}
+	}
+	formattedBytes, err := formatGoImports(contentBytes)
+	if err != nil {
+		return err
+	}
+	if formattedBytes == nil {
+		return nil
+	}
+	if bytes.Equal(contentBytes, formattedBytes) {
+		return nil
+	}
+
+	if doWriteFile {
+		f, err = os.OpenFile(file, os.O_TRUNC|os.O_WRONLY, 0o644)
+		if err != nil {
+			return err
+		}
+		defer f.Close()
+		_, err = f.Write(formattedBytes)
+		return err
+	}
+
+	return err
+}
diff --git a/build/codeformat/formatimports_test.go b/build/codeformat/formatimports_test.go
new file mode 100644
index 0000000..1abc9f8
--- /dev/null
+++ b/build/codeformat/formatimports_test.go
@@ -0,0 +1,125 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package codeformat
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestFormatImportsSimple(t *testing.T) {
+	formatted, err := formatGoImports([]byte(`
+package codeformat
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+`))
+
+	expected := `
+package codeformat
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+`
+
+	require.NoError(t, err)
+	assert.Equal(t, expected, string(formatted))
+}
+
+func TestFormatImportsGroup(t *testing.T) {
+	// gofmt/goimports won't group the packages, for example, they produce such code:
+	//     "bytes"
+	//     "image"
+	//        (a blank line)
+	//     "fmt"
+	//     "image/color/palette"
+	// our formatter does better, and these packages are grouped into one.
+
+	formatted, err := formatGoImports([]byte(`
+package test
+
+import (
+	"bytes"
+	"fmt"
+	"image"
+	"image/color"
+
+	_ "image/gif"  // for processing gif images
+	_ "image/jpeg" // for processing jpeg images
+	_ "image/png"  // for processing png images
+
+	"code.gitea.io/other/package"
+
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
+
+  "xorm.io/the/package"
+
+	"github.com/issue9/identicon"
+	"github.com/nfnt/resize"
+	"github.com/oliamb/cutter"
+)
+`))
+
+	expected := `
+package test
+
+import (
+	"bytes"
+	"fmt"
+	"image"
+	"image/color"
+
+	_ "image/gif"  // for processing gif images
+	_ "image/jpeg" // for processing jpeg images
+	_ "image/png"  // for processing png images
+
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
+
+	"code.gitea.io/other/package"
+	"github.com/issue9/identicon"
+	"github.com/nfnt/resize"
+	"github.com/oliamb/cutter"
+	"xorm.io/the/package"
+)
+`
+
+	require.NoError(t, err)
+	assert.Equal(t, expected, string(formatted))
+}
+
+func TestFormatImportsInvalidComment(t *testing.T) {
+	// why we shouldn't write comments between imports: it breaks the grouping of imports
+	// for example:
+	//    "pkg1"
+	//    "pkg2"
+	//    // a comment
+	//    "pkgA"
+	//    "pkgB"
+	// the comment splits the packages into two groups, pkg1/2 are sorted separately, pkgA/B are sorted separately
+	// we don't want such code, so the code should be:
+	//    "pkg1"
+	//    "pkg2"
+	//    "pkgA" // a comment
+	//    "pkgB"
+
+	_, err := formatGoImports([]byte(`
+package test
+
+import (
+  "image/jpeg"
+	// for processing gif images
+	"image/gif"
+)
+`))
+	require.ErrorIs(t, err, errInvalidCommentBetweenImports)
+}
diff --git a/build/generate-bindata.go b/build/generate-bindata.go
new file mode 100644
index 0000000..2fcb7c2
--- /dev/null
+++ b/build/generate-bindata.go
@@ -0,0 +1,92 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"bytes"
+	"crypto/sha1"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+
+	"github.com/shurcooL/vfsgen"
+)
+
+func needsUpdate(dir, filename string) (bool, []byte) {
+	needRegen := false
+	_, err := os.Stat(filename)
+	if err != nil {
+		needRegen = true
+	}
+
+	oldHash, err := os.ReadFile(filename + ".hash")
+	if err != nil {
+		oldHash = []byte{}
+	}
+
+	hasher := sha1.New()
+
+	err = filepath.WalkDir(dir, func(path string, d os.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		info, err := d.Info()
+		if err != nil {
+			return err
+		}
+		_, _ = hasher.Write([]byte(d.Name()))
+		_, _ = hasher.Write([]byte(info.ModTime().String()))
+		_, _ = hasher.Write([]byte(strconv.FormatInt(info.Size(), 16)))
+		return nil
+	})
+	if err != nil {
+		return true, oldHash
+	}
+
+	newHash := hasher.Sum([]byte{})
+
+	if bytes.Compare(oldHash, newHash) != 0 {
+		return true, newHash
+	}
+
+	return needRegen, newHash
+}
+
+func main() {
+	if len(os.Args) < 4 {
+		log.Fatal("Insufficient number of arguments. Need: directory packageName filename")
+	}
+
+	dir, packageName, filename := os.Args[1], os.Args[2], os.Args[3]
+	var useGlobalModTime bool
+	if len(os.Args) == 5 {
+		useGlobalModTime, _ = strconv.ParseBool(os.Args[4])
+	}
+
+	update, newHash := needsUpdate(dir, filename)
+
+	if !update {
+		fmt.Printf("bindata for %s already up-to-date\n", packageName)
+		return
+	}
+
+	fmt.Printf("generating bindata for %s\n", packageName)
+	var fsTemplates http.FileSystem = http.Dir(dir)
+	err := vfsgen.Generate(fsTemplates, vfsgen.Options{
+		PackageName:      packageName,
+		BuildTags:        "bindata",
+		VariableName:     "Assets",
+		Filename:         filename,
+		UseGlobalModTime: useGlobalModTime,
+	})
+	if err != nil {
+		log.Fatalf("%v\n", err)
+	}
+	_ = os.WriteFile(filename+".hash", newHash, 0o666)
+}
diff --git a/build/generate-emoji.go b/build/generate-emoji.go
new file mode 100644
index 0000000..5a88e45
--- /dev/null
+++ b/build/generate-emoji.go
@@ -0,0 +1,223 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Copyright 2015 Kenneth Shaw
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"go/format"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"regexp"
+	"sort"
+	"strconv"
+	"strings"
+	"unicode/utf8"
+
+	"code.gitea.io/gitea/modules/json"
+)
+
+const (
+	gemojiURL         = "https://raw.githubusercontent.com/github/gemoji/master/db/emoji.json"
+	maxUnicodeVersion = 15
+)
+
+var flagOut = flag.String("o", "modules/emoji/emoji_data.go", "out")
+
+// Gemoji is a set of emoji data.
+type Gemoji []Emoji
+
+// Emoji represents a single emoji and associated data.
+type Emoji struct {
+	Emoji          string   `json:"emoji"`
+	Description    string   `json:"description,omitempty"`
+	Aliases        []string `json:"aliases"`
+	UnicodeVersion string   `json:"unicode_version,omitempty"`
+	SkinTones      bool     `json:"skin_tones,omitempty"`
+}
+
+// Don't include some fields in JSON
+func (e Emoji) MarshalJSON() ([]byte, error) {
+	type emoji Emoji
+	x := emoji(e)
+	x.UnicodeVersion = ""
+	x.Description = ""
+	x.SkinTones = false
+	return json.Marshal(x)
+}
+
+func main() {
+	var err error
+
+	flag.Parse()
+
+	// generate data
+	buf, err := generate()
+	if err != nil {
+		log.Fatalf("generate err: %v", err)
+	}
+
+	// write
+	err = os.WriteFile(*flagOut, buf, 0o644)
+	if err != nil {
+		log.Fatalf("WriteFile err: %v", err)
+	}
+}
+
+var replacer = strings.NewReplacer(
+	"main.Gemoji", "Gemoji",
+	"main.Emoji", "\n",
+	"}}", "},\n}",
+	", Description:", ", ",
+	", Aliases:", ", ",
+	", UnicodeVersion:", ", ",
+	", SkinTones:", ", ",
+)
+
+var emojiRE = regexp.MustCompile(`\{Emoji:"([^"]*)"`)
+
+func generate() ([]byte, error) {
+	var err error
+
+	// load gemoji data
+	res, err := http.Get(gemojiURL)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	// read all
+	body, err := io.ReadAll(res.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	// unmarshal
+	var data Gemoji
+	err = json.Unmarshal(body, &data)
+	if err != nil {
+		return nil, err
+	}
+
+	skinTones := make(map[string]string)
+
+	skinTones["\U0001f3fb"] = "Light Skin Tone"
+	skinTones["\U0001f3fc"] = "Medium-Light Skin Tone"
+	skinTones["\U0001f3fd"] = "Medium Skin Tone"
+	skinTones["\U0001f3fe"] = "Medium-Dark Skin Tone"
+	skinTones["\U0001f3ff"] = "Dark Skin Tone"
+
+	var tmp Gemoji
+
+	// filter out emoji that require greater than max unicode version
+	for i := range data {
+		val, _ := strconv.ParseFloat(data[i].UnicodeVersion, 64)
+		if int(val) <= maxUnicodeVersion {
+			tmp = append(tmp, data[i])
+		}
+	}
+	data = tmp
+
+	sort.Slice(data, func(i, j int) bool {
+		return data[i].Aliases[0] < data[j].Aliases[0]
+	})
+
+	aliasMap := make(map[string]int, len(data))
+
+	for i, e := range data {
+		if e.Emoji == "" || len(e.Aliases) == 0 {
+			continue
+		}
+		for _, a := range e.Aliases {
+			if a == "" {
+				continue
+			}
+			aliasMap[a] = i
+		}
+	}
+
+	// Forgejo customizations
+	i, ok := aliasMap["tada"]
+	if ok {
+		data[i].Aliases = append(data[i].Aliases, "hooray")
+	}
+	i, ok = aliasMap["laughing"]
+	if ok {
+		data[i].Aliases = append(data[i].Aliases, "laugh")
+	}
+
+	// write a JSON file to use with tribute (write before adding skin tones since we can't support them there yet)
+	file, _ := json.Marshal(data)
+	_ = os.WriteFile("assets/emoji.json", file, 0o644)
+
+	// Add skin tones to emoji that support it
+	var (
+		s              []string
+		newEmoji       string
+		newDescription string
+		newData        Emoji
+	)
+
+	for i := range data {
+		if data[i].SkinTones {
+			for k, v := range skinTones {
+				s = strings.Split(data[i].Emoji, "")
+
+				if utf8.RuneCountInString(data[i].Emoji) == 1 {
+					s = append(s, k)
+				} else {
+					// insert into slice after first element because all emoji that support skin tones
+					// have that modifier placed at this spot
+					s = append(s, "")
+					copy(s[2:], s[1:])
+					s[1] = k
+				}
+
+				newEmoji = strings.Join(s, "")
+				newDescription = data[i].Description + ": " + v
+				newAlias := data[i].Aliases[0] + "_" + strings.ReplaceAll(v, " ", "_")
+
+				newData = Emoji{newEmoji, newDescription, []string{newAlias}, "12.0", false}
+				data = append(data, newData)
+			}
+		}
+	}
+
+	sort.Slice(data, func(i, j int) bool {
+		return data[i].Aliases[0] < data[j].Aliases[0]
+	})
+
+	// add header
+	str := replacer.Replace(fmt.Sprintf(hdr, gemojiURL, data))
+
+	// change the format of the unicode string
+	str = emojiRE.ReplaceAllStringFunc(str, func(s string) string {
+		var err error
+		s, err = strconv.Unquote(s[len("{Emoji:"):])
+		if err != nil {
+			panic(err)
+		}
+		return "{" + strconv.QuoteToASCII(s)
+	})
+
+	// format
+	return format.Source([]byte(str))
+}
+
+const hdr = `
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+
+package emoji
+
+// Code generated by build/generate-emoji.go. DO NOT EDIT.
+// Sourced from %s
+var GemojiData = %#v
+`
diff --git a/build/generate-gitignores.go b/build/generate-gitignores.go
new file mode 100644
index 0000000..1e09c83
--- /dev/null
+++ b/build/generate-gitignores.go
@@ -0,0 +1,126 @@
+//go:build ignore
+
+package main
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"code.gitea.io/gitea/modules/util"
+)
+
+func main() {
+	var (
+		prefix         = "gitea-gitignore"
+		url            = "https://api.github.com/repos/github/gitignore/tarball"
+		githubApiToken = ""
+		githubUsername = ""
+		destination    = ""
+	)
+
+	flag.StringVar(&destination, "dest", "options/gitignore/", "destination for the gitignores")
+	flag.StringVar(&githubUsername, "username", "", "github username")
+	flag.StringVar(&githubApiToken, "token", "", "github api token")
+	flag.Parse()
+
+	file, err := os.CreateTemp(os.TempDir(), prefix)
+	if err != nil {
+		log.Fatalf("Failed to create temp file. %s", err)
+	}
+
+	defer util.Remove(file.Name())
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Fatalf("Failed to download archive. %s", err)
+	}
+
+	if len(githubApiToken) > 0 && len(githubUsername) > 0 {
+		req.SetBasicAuth(githubUsername, githubApiToken)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		log.Fatalf("Failed to download archive. %s", err)
+	}
+	defer resp.Body.Close()
+
+	if _, err := io.Copy(file, resp.Body); err != nil {
+		log.Fatalf("Failed to copy archive to file. %s", err)
+	}
+
+	if _, err := file.Seek(0, 0); err != nil {
+		log.Fatalf("Failed to reset seek on archive. %s", err)
+	}
+
+	gz, err := gzip.NewReader(file)
+	if err != nil {
+		log.Fatalf("Failed to gunzip the archive. %s", err)
+	}
+
+	tr := tar.NewReader(gz)
+
+	filesToCopy := make(map[string]string, 0)
+
+	for {
+		hdr, err := tr.Next()
+
+		if err == io.EOF {
+			break
+		}
+
+		if err != nil {
+			log.Fatalf("Failed to iterate archive. %s", err)
+		}
+
+		if filepath.Ext(hdr.Name) != ".gitignore" {
+			continue
+		}
+
+		if hdr.Typeflag == tar.TypeSymlink {
+			fmt.Printf("Found symlink %s -> %s\n", hdr.Name, hdr.Linkname)
+			filesToCopy[strings.TrimSuffix(filepath.Base(hdr.Name), ".gitignore")] = strings.TrimSuffix(filepath.Base(hdr.Linkname), ".gitignore")
+			continue
+		}
+
+		out, err := os.Create(path.Join(destination, strings.TrimSuffix(filepath.Base(hdr.Name), ".gitignore")))
+		if err != nil {
+			log.Fatalf("Failed to create new file. %s", err)
+		}
+
+		defer out.Close()
+
+		if _, err := io.Copy(out, tr); err != nil {
+			log.Fatalf("Failed to write new file. %s", err)
+		} else {
+			fmt.Printf("Written %s\n", out.Name())
+		}
+	}
+
+	for dst, src := range filesToCopy {
+		// Read all content of src to data
+		src = path.Join(destination, src)
+		data, err := os.ReadFile(src)
+		if err != nil {
+			log.Fatalf("Failed to read src file. %s", err)
+		}
+		// Write data to dst
+		dst = path.Join(destination, dst)
+		err = os.WriteFile(dst, data, 0o644)
+		if err != nil {
+			log.Fatalf("Failed to write new file. %s", err)
+		}
+		fmt.Printf("Written (copy of %s) %s\n", src, dst)
+	}
+
+	fmt.Println("Done")
+}
diff --git a/build/generate-go-licenses.go b/build/generate-go-licenses.go
new file mode 100644
index 0000000..22ef817
--- /dev/null
+++ b/build/generate-go-licenses.go
@@ -0,0 +1,132 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/fs"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+	"sort"
+	"strings"
+
+	"code.gitea.io/gitea/modules/container"
+)
+
+// regexp is based on go-license, excluding README and NOTICE
+// https://github.com/google/go-licenses/blob/master/licenses/find.go
+var licenseRe = regexp.MustCompile(`^(?i)((UN)?LICEN(S|C)E|COPYING).*$`)
+
+type LicenseEntry struct {
+	Name        string `json:"name"`
+	Path        string `json:"path"`
+	LicenseText string `json:"licenseText"`
+}
+
+func main() {
+	if len(os.Args) != 3 {
+		fmt.Println("usage: go run generate-go-licenses.go <base-dir> <out-json-file>")
+		os.Exit(1)
+	}
+
+	base, out := os.Args[1], os.Args[2]
+
+	// Add ext for excluded files because license_test.go will be included for some reason.
+	// And there are more files that should be excluded, check with:
+	//
+	// go run github.com/google/go-licenses@v1.6.0 save . --force --save_path=.go-licenses 2>/dev/null
+	// find .go-licenses -type f | while read FILE; do echo "${$(basename $FILE)##*.}"; done | sort -u
+	//    AUTHORS
+	//    COPYING
+	//    LICENSE
+	//    Makefile
+	//    NOTICE
+	//    gitignore
+	//    go
+	//    md
+	//    mod
+	//    sum
+	//    toml
+	//    txt
+	//    yml
+	//
+	// It could be removed once we have a better regex.
+	excludedExt := container.SetOf(".gitignore", ".go", ".mod", ".sum", ".toml", ".yml")
+
+	var paths []string
+	err := filepath.WalkDir(base, func(path string, entry fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if entry.IsDir() || !licenseRe.MatchString(entry.Name()) || excludedExt.Contains(filepath.Ext(entry.Name())) {
+			return nil
+		}
+		paths = append(paths, path)
+		return nil
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	sort.Strings(paths)
+
+	var entries []LicenseEntry
+
+	{
+		licenseText, err := os.ReadFile("LICENSE")
+		if err != nil {
+			panic(err)
+		}
+
+		entries = append(entries, LicenseEntry{
+			Name:        "codeberg.org/forgejo/forgejo",
+			Path:        "codeberg.org/forgejo/forgejo/GPL-3.0-or-later",
+			LicenseText: string(licenseText),
+		})
+	}
+
+	for _, filePath := range paths {
+		licenseText, err := os.ReadFile(filePath)
+		if err != nil {
+			panic(err)
+		}
+
+		pkgPath := filepath.ToSlash(filePath)
+		pkgPath = strings.TrimPrefix(pkgPath, base+"/")
+		pkgName := path.Dir(pkgPath)
+
+		// There might be a bug somewhere in go-licenses that sometimes interprets the
+		// root package as "." and sometimes as "code.gitea.io/gitea". Workaround by
+		// removing both of them for the sake of stable output.
+		if pkgName == "." || pkgName == "code.gitea.io/gitea" {
+			continue
+		}
+
+		entries = append(entries, LicenseEntry{
+			Name:        pkgName,
+			Path:        pkgPath,
+			LicenseText: string(licenseText),
+		})
+	}
+
+	jsonBytes, err := json.MarshalIndent(entries, "", "  ")
+	if err != nil {
+		panic(err)
+	}
+
+	// Ensure file has a final newline
+	if jsonBytes[len(jsonBytes)-1] != '\n' {
+		jsonBytes = append(jsonBytes, '\n')
+	}
+
+	err = os.WriteFile(out, jsonBytes, 0o644)
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/build/generate-licenses.go b/build/generate-licenses.go
new file mode 100644
index 0000000..9a111bc
--- /dev/null
+++ b/build/generate-licenses.go
@@ -0,0 +1,122 @@
+//go:build ignore
+
+package main
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"code.gitea.io/gitea/modules/util"
+)
+
+func main() {
+	var (
+		prefix         = "gitea-licenses"
+		url            = "https://api.github.com/repos/spdx/license-list-data/tarball"
+		githubApiToken = ""
+		githubUsername = ""
+		destination    = ""
+	)
+
+	flag.StringVar(&destination, "dest", "options/license/", "destination for the licenses")
+	flag.StringVar(&githubUsername, "username", "", "github username")
+	flag.StringVar(&githubApiToken, "token", "", "github api token")
+	flag.Parse()
+
+	file, err := os.CreateTemp(os.TempDir(), prefix)
+	if err != nil {
+		log.Fatalf("Failed to create temp file. %s", err)
+	}
+
+	defer util.Remove(file.Name())
+
+	if err := os.RemoveAll(destination); err != nil {
+		log.Fatalf("Cannot clean destination folder: %v", err)
+	}
+
+	if err := os.MkdirAll(destination, 0o755); err != nil {
+		log.Fatalf("Cannot create destination: %v", err)
+	}
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Fatalf("Failed to download archive. %s", err)
+	}
+
+	if len(githubApiToken) > 0 && len(githubUsername) > 0 {
+		req.SetBasicAuth(githubUsername, githubApiToken)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		log.Fatalf("Failed to download archive. %s", err)
+	}
+
+	defer resp.Body.Close()
+
+	if _, err := io.Copy(file, resp.Body); err != nil {
+		log.Fatalf("Failed to copy archive to file. %s", err)
+	}
+
+	if _, err := file.Seek(0, 0); err != nil {
+		log.Fatalf("Failed to reset seek on archive. %s", err)
+	}
+
+	gz, err := gzip.NewReader(file)
+	if err != nil {
+		log.Fatalf("Failed to gunzip the archive. %s", err)
+	}
+
+	tr := tar.NewReader(gz)
+
+	for {
+		hdr, err := tr.Next()
+
+		if err == io.EOF {
+			break
+		}
+
+		if err != nil {
+			log.Fatalf("Failed to iterate archive. %s", err)
+		}
+
+		if !strings.Contains(hdr.Name, "/text/") {
+			continue
+		}
+
+		if filepath.Ext(hdr.Name) != ".txt" {
+			continue
+		}
+
+		if strings.HasPrefix(filepath.Base(hdr.Name), "README") {
+			continue
+		}
+
+		if strings.HasPrefix(filepath.Base(hdr.Name), "deprecated_") {
+			continue
+		}
+		out, err := os.Create(path.Join(destination, strings.TrimSuffix(filepath.Base(hdr.Name), ".txt")))
+		if err != nil {
+			log.Fatalf("Failed to create new file. %s", err)
+		}
+
+		defer out.Close()
+
+		if _, err := io.Copy(out, tr); err != nil {
+			log.Fatalf("Failed to write new file. %s", err)
+		} else {
+			fmt.Printf("Written %s\n", out.Name())
+		}
+	}
+
+	fmt.Println("Done")
+}
diff --git a/build/gocovmerge.go b/build/gocovmerge.go
new file mode 100644
index 0000000..c6f74ed
--- /dev/null
+++ b/build/gocovmerge.go
@@ -0,0 +1,118 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Copyright (c) 2015, Wade Simmons
+// SPDX-License-Identifier: MIT
+
+// gocovmerge takes the results from multiple `go test -coverprofile` runs and
+// merges them into one profile
+
+//go:build ignore
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"sort"
+
+	"golang.org/x/tools/cover"
+)
+
+func mergeProfiles(p, merge *cover.Profile) {
+	if p.Mode != merge.Mode {
+		log.Fatalf("cannot merge profiles with different modes")
+	}
+	// Since the blocks are sorted, we can keep track of where the last block
+	// was inserted and only look at the blocks after that as targets for merge
+	startIndex := 0
+	for _, b := range merge.Blocks {
+		startIndex = mergeProfileBlock(p, b, startIndex)
+	}
+}
+
+func mergeProfileBlock(p *cover.Profile, pb cover.ProfileBlock, startIndex int) int {
+	sortFunc := func(i int) bool {
+		pi := p.Blocks[i+startIndex]
+		return pi.StartLine >= pb.StartLine && (pi.StartLine != pb.StartLine || pi.StartCol >= pb.StartCol)
+	}
+
+	i := 0
+	if sortFunc(i) != true {
+		i = sort.Search(len(p.Blocks)-startIndex, sortFunc)
+	}
+	i += startIndex
+	if i < len(p.Blocks) && p.Blocks[i].StartLine == pb.StartLine && p.Blocks[i].StartCol == pb.StartCol {
+		if p.Blocks[i].EndLine != pb.EndLine || p.Blocks[i].EndCol != pb.EndCol {
+			log.Fatalf("OVERLAP MERGE: %v %v %v", p.FileName, p.Blocks[i], pb)
+		}
+		switch p.Mode {
+		case "set":
+			p.Blocks[i].Count |= pb.Count
+		case "count", "atomic":
+			p.Blocks[i].Count += pb.Count
+		default:
+			log.Fatalf("unsupported covermode: '%s'", p.Mode)
+		}
+	} else {
+		if i > 0 {
+			pa := p.Blocks[i-1]
+			if pa.EndLine >= pb.EndLine && (pa.EndLine != pb.EndLine || pa.EndCol > pb.EndCol) {
+				log.Fatalf("OVERLAP BEFORE: %v %v %v", p.FileName, pa, pb)
+			}
+		}
+		if i < len(p.Blocks)-1 {
+			pa := p.Blocks[i+1]
+			if pa.StartLine <= pb.StartLine && (pa.StartLine != pb.StartLine || pa.StartCol < pb.StartCol) {
+				log.Fatalf("OVERLAP AFTER: %v %v %v", p.FileName, pa, pb)
+			}
+		}
+		p.Blocks = append(p.Blocks, cover.ProfileBlock{})
+		copy(p.Blocks[i+1:], p.Blocks[i:])
+		p.Blocks[i] = pb
+	}
+	return i + 1
+}
+
+func addProfile(profiles []*cover.Profile, p *cover.Profile) []*cover.Profile {
+	i := sort.Search(len(profiles), func(i int) bool { return profiles[i].FileName >= p.FileName })
+	if i < len(profiles) && profiles[i].FileName == p.FileName {
+		mergeProfiles(profiles[i], p)
+	} else {
+		profiles = append(profiles, nil)
+		copy(profiles[i+1:], profiles[i:])
+		profiles[i] = p
+	}
+	return profiles
+}
+
+func dumpProfiles(profiles []*cover.Profile, out io.Writer) {
+	if len(profiles) == 0 {
+		return
+	}
+	fmt.Fprintf(out, "mode: %s\n", profiles[0].Mode)
+	for _, p := range profiles {
+		for _, b := range p.Blocks {
+			fmt.Fprintf(out, "%s:%d.%d,%d.%d %d %d\n", p.FileName, b.StartLine, b.StartCol, b.EndLine, b.EndCol, b.NumStmt, b.Count)
+		}
+	}
+}
+
+func main() {
+	flag.Parse()
+
+	var merged []*cover.Profile
+
+	for _, file := range flag.Args() {
+		profiles, err := cover.ParseProfiles(file)
+		if err != nil {
+			log.Fatalf("failed to parse profile '%s': %v", file, err)
+		}
+		for _, p := range profiles {
+			merged = addProfile(merged, p)
+		}
+	}
+
+	dumpProfiles(merged, os.Stdout)
+}
diff --git a/build/merge-forgejo-locales.go b/build/merge-forgejo-locales.go
new file mode 100644
index 0000000..05c8d9b
--- /dev/null
+++ b/build/merge-forgejo-locales.go
@@ -0,0 +1,15 @@
+// Copyright 2024 The Forgejo Authors c/o Codeberg e.V.. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+//go:build ignore
+
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("NOT NEEDED: THIS IS A NOOP AS OF Forgejo 7.0 BUT KEPT FOR BACKWARD COMPATIBILITY")
+}
diff --git a/build/test-echo.go b/build/test-echo.go
new file mode 100644
index 0000000..093364f
--- /dev/null
+++ b/build/test-echo.go
@@ -0,0 +1,20 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+)
+
+func main() {
+	_, err := io.Copy(os.Stdout, os.Stdin)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error: %v", err)
+		os.Exit(1)
+	}
+}
diff --git a/build/test-env-check.sh b/build/test-env-check.sh
new file mode 100755
index 0000000..38e5a28
--- /dev/null
+++ b/build/test-env-check.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -f ./build/test-env-check.sh ]; then
+  echo "${0} can only be executed in gitea source root directory"
+  exit 1
+fi
+
+
+echo "check uid ..."
+
+# the uid of gitea defined in "https://gitea.com/gitea/test-env" is 1000
+gitea_uid=$(id -u gitea)
+if [ "$gitea_uid" != "1000" ]; then
+  echo "The uid of linux user 'gitea' is expected to be 1000, but it is $gitea_uid"
+  exit 1
+fi
+
+cur_uid=$(id -u)
+if [ "$cur_uid" != "0" -a "$cur_uid" != "$gitea_uid" ]; then
+  echo "The uid of current linux user is expected to be 0 or $gitea_uid, but it is $cur_uid"
+  exit 1
+fi
diff --git a/build/test-env-prepare.sh b/build/test-env-prepare.sh
new file mode 100755
index 0000000..0c5bc25
--- /dev/null
+++ b/build/test-env-prepare.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -f ./build/test-env-prepare.sh ]; then
+  echo "${0} can only be executed in gitea source root directory"
+  exit 1
+fi
+
+echo "change the owner of files to gitea ..."
+chown -R gitea:gitea .
diff --git a/build/update-locales.sh b/build/update-locales.sh
new file mode 100755
index 0000000..6f9ee33
--- /dev/null
+++ b/build/update-locales.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# this script runs in alpine image which only has `sh` shell
+
+set +e
+if sed --version 2>/dev/null | grep -q GNU; then
+  SED_INPLACE="sed -i"
+else
+  SED_INPLACE="sed -i ''"
+fi
+set -e
+
+if [ ! -f ./options/locale/locale_en-US.ini ]; then
+  echo "please run this script in the root directory of the project"
+  exit 1
+fi
+
+mv ./options/locale/locale_en-US.ini ./options/
+
+# the "ini" library for locale has many quirks, its behavior is different from Crowdin.
+# see i18n_test.go for more details
+
+# this script helps to unquote the Crowdin outputs for the quirky ini library
+# * find all `key="...\"..."` lines
+# * remove the leading quote
+# * remove the trailing quote
+# * unescape the quotes
+# * eg: key="...\"..." => key=..."...
+$SED_INPLACE -r -e '/^[-.A-Za-z0-9_]+[ ]*=[ ]*".*"$/ {
+	s/^([-.A-Za-z0-9_]+)[ ]*=[ ]*"/\1=/
+	s/"$//
+	s/\\"/"/g
+	}' ./options/locale/*.ini
+
+# * if the escaped line is incomplete like `key="...` or `key=..."`, quote it with backticks
+# * eg: key="... => key=`"...`
+# * eg: key=..." => key=`..."`
+$SED_INPLACE -r -e 's/^([-.A-Za-z0-9_]+)[ ]*=[ ]*(".*[^"])$/\1=`\2`/' ./options/locale/*.ini
+$SED_INPLACE -r -e 's/^([-.A-Za-z0-9_]+)[ ]*=[ ]*([^"].*")$/\1=`\2`/' ./options/locale/*.ini
+
+# Remove translation under 25% of en_us
+baselines=$(wc -l "./options/locale_en-US.ini" | cut -d" " -f1)
+baselines=$((baselines / 4))
+for filename in ./options/locale/*.ini; do
+  lines=$(wc -l "$filename" | cut -d" " -f1)
+  if [ $lines -lt $baselines ]; then
+    echo "Removing $filename: $lines/$baselines"
+    rm "$filename"
+  fi
+done
+
+mv ./options/locale_en-US.ini ./options/locale/