mirror of https://github.com/go-gitea/gitea.git
Backport #23495, partially backport&refactor The `modules/options` files are just copied from 1.20 to 1.19
This commit is contained in:
wxiaoguang
GitHub
parent
9dfdfe2389
commit
774b37b9f8
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@ -9,9 +9,52 @@ import (
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"os"
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"path/filepath"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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)
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var directories = make(directorySet)
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// Locale reads the content of a specific locale from static/bindata or custom path.
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func Locale(name string) ([]byte, error) {
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return fileFromOptionsDir("locale", name)
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}
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// Readme reads the content of a specific readme from static/bindata or custom path.
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func Readme(name string) ([]byte, error) {
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return fileFromOptionsDir("readme", name)
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}
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// Gitignore reads the content of a gitignore locale from static/bindata or custom path.
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func Gitignore(name string) ([]byte, error) {
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return fileFromOptionsDir("gitignore", name)
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}
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// License reads the content of a specific license from static/bindata or custom path.
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func License(name string) ([]byte, error) {
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return fileFromOptionsDir("license", name)
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}
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// Labels reads the content of a specific labels from static/bindata or custom path.
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func Labels(name string) ([]byte, error) {
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return fileFromOptionsDir("label", name)
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}
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// WalkLocales reads the content of a specific locale
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func WalkLocales(callback func(path, name string, d fs.DirEntry, err error) error) error {
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if IsDynamic() {
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if err := walkAssetDir(filepath.Join(setting.StaticRootPath, "options", "locale"), callback); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("failed to walk locales. Error: %w", err)
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}
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}
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if err := walkAssetDir(filepath.Join(setting.CustomPath, "options", "locale"), callback); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("failed to walk locales. Error: %w", err)
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}
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return nil
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}
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func walkAssetDir(root string, callback func(path, name string, d fs.DirEntry, err error) error) error {
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if err := filepath.WalkDir(root, func(path string, d fs.DirEntry, err error) error {
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// name is the path relative to the root
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@ -37,3 +80,55 @@ func walkAssetDir(root string, callback func(path, name string, d fs.DirEntry, e
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}
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return nil
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}
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// mustLocalPathAbs coverts a path to absolute path
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// FIXME: the old behavior (StaticRootPath might not be absolute), not ideal, just keep the same as before
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func mustLocalPathAbs(s string) string {
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abs, err := filepath.Abs(s)
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if err != nil {
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// This should never happen in a real system. If it happens, the user must have already been in trouble: the system is not able to resolve its own paths.
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log.Fatal("Unable to get absolute path for %q: %v", s, err)
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}
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return abs
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}
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func joinLocalPaths(baseDirs []string, subDir string, elems ...string) (paths []string) {
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abs := make([]string, len(elems)+2)
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abs[1] = subDir
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copy(abs[2:], elems)
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for _, baseDir := range baseDirs {
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abs[0] = mustLocalPathAbs(baseDir)
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paths = append(paths, util.FilePathJoinAbs(abs...))
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}
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return paths
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}
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func listLocalDirIfExist(baseDirs []string, subDir string, elems ...string) (files []string, err error) {
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for _, localPath := range joinLocalPaths(baseDirs, subDir, elems...) {
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isDir, err := util.IsDir(localPath)
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if err != nil {
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return nil, fmt.Errorf("unable to check if path %q is a directory. %w", localPath, err)
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} else if !isDir {
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continue
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}
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dirFiles, err := util.StatDir(localPath, true)
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if err != nil {
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return nil, fmt.Errorf("unable to read directory %q. %w", localPath, err)
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}
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files = append(files, dirFiles...)
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}
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return files, nil
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}
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func readLocalFile(baseDirs []string, subDir string, elems ...string) ([]byte, error) {
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for _, localPath := range joinLocalPaths(baseDirs, subDir, elems...) {
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data, err := os.ReadFile(localPath)
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if err == nil {
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return data, nil
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} else if !os.IsNotExist(err) {
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log.Error("Unable to read file %q. Error: %v", localPath, err)
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}
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}
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return nil, os.ErrNotExist
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}
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@ -6,120 +6,26 @@
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package options
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import (
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"fmt"
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"io/fs"
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"os"
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"path"
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"path/filepath"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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)
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var directories = make(directorySet)
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// Dir returns all files from static or custom directory.
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func Dir(name string) ([]string, error) {
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if directories.Filled(name) {
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return directories.Get(name), nil
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}
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var result []string
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customDir := path.Join(setting.CustomPath, "options", name)
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isDir, err := util.IsDir(customDir)
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result, err := listLocalDirIfExist([]string{setting.CustomPath, setting.StaticRootPath}, "options", name)
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if err != nil {
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return []string{}, fmt.Errorf("Unabe to check if custom directory %s is a directory. %w", customDir, err)
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}
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if isDir {
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files, err := util.StatDir(customDir, true)
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if err != nil {
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return []string{}, fmt.Errorf("Failed to read custom directory. %w", err)
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}
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result = append(result, files...)
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}
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staticDir := path.Join(setting.StaticRootPath, "options", name)
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isDir, err = util.IsDir(staticDir)
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if err != nil {
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return []string{}, fmt.Errorf("unable to check if static directory %s is a directory. %w", staticDir, err)
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}
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if isDir {
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files, err := util.StatDir(staticDir, true)
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if err != nil {
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return []string{}, fmt.Errorf("Failed to read static directory. %w", err)
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}
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result = append(result, files...)
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return nil, err
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}
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return directories.AddAndGet(name, result), nil
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}
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// Locale reads the content of a specific locale from static or custom path.
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func Locale(name string) ([]byte, error) {
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return fileFromDir(path.Join("locale", name))
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}
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// WalkLocales reads the content of a specific locale from static or custom path.
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func WalkLocales(callback func(path, name string, d fs.DirEntry, err error) error) error {
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if err := walkAssetDir(filepath.Join(setting.StaticRootPath, "options", "locale"), callback); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("failed to walk locales. Error: %w", err)
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}
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if err := walkAssetDir(filepath.Join(setting.CustomPath, "options", "locale"), callback); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("failed to walk locales. Error: %w", err)
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}
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return nil
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}
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// Readme reads the content of a specific readme from static or custom path.
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func Readme(name string) ([]byte, error) {
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return fileFromDir(path.Join("readme", name))
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}
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// Gitignore reads the content of a specific gitignore from static or custom path.
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func Gitignore(name string) ([]byte, error) {
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return fileFromDir(path.Join("gitignore", name))
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}
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// License reads the content of a specific license from static or custom path.
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func License(name string) ([]byte, error) {
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return fileFromDir(path.Join("license", name))
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}
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// Labels reads the content of a specific labels from static or custom path.
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func Labels(name string) ([]byte, error) {
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return fileFromDir(path.Join("label", name))
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}
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// fileFromDir is a helper to read files from static or custom path.
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func fileFromDir(name string) ([]byte, error) {
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customPath := path.Join(setting.CustomPath, "options", name)
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isFile, err := util.IsFile(customPath)
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if err != nil {
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log.Error("Unable to check if %s is a file. Error: %v", customPath, err)
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}
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if isFile {
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return os.ReadFile(customPath)
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}
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staticPath := path.Join(setting.StaticRootPath, "options", name)
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isFile, err = util.IsFile(staticPath)
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if err != nil {
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log.Error("Unable to check if %s is a file. Error: %v", staticPath, err)
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}
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if isFile {
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return os.ReadFile(staticPath)
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}
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return []byte{}, fmt.Errorf("Asset file does not exist: %s", name)
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// fileFromOptionsDir is a helper to read files from custom or static path.
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func fileFromOptionsDir(elems ...string) ([]byte, error) {
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return readLocalFile([]string{setting.CustomPath, setting.StaticRootPath}, "options", elems...)
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}
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// IsDynamic will return false when using embedded data (-tags bindata)
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@ -8,38 +8,20 @@ package options
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import (
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"fmt"
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"io"
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"io/fs"
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"os"
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"path"
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"path/filepath"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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)
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var directories = make(directorySet)
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// Dir returns all files from bindata or custom directory.
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// Dir returns all files from custom directory or bindata.
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func Dir(name string) ([]string, error) {
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if directories.Filled(name) {
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return directories.Get(name), nil
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}
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var result []string
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customDir := path.Join(setting.CustomPath, "options", name)
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isDir, err := util.IsDir(customDir)
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result, err := listLocalDirIfExist([]string{setting.CustomPath}, "options", name)
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if err != nil {
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return []string{}, fmt.Errorf("unable to check if custom directory %q is a directory. %w", customDir, err)
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}
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if isDir {
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files, err := util.StatDir(customDir, true)
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if err != nil {
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return []string{}, fmt.Errorf("unable to read custom directory %q. %w", customDir, err)
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}
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result = append(result, files...)
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return nil, err
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}
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files, err := AssetDir(name)
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@ -69,57 +51,18 @@ func AssetDir(dirName string) ([]string, error) {
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return results, nil
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}
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// Locale reads the content of a specific locale from bindata or custom path.
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func Locale(name string) ([]byte, error) {
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return fileFromDir(path.Join("locale", name))
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// fileFromOptionsDir is a helper to read files from custom path or bindata.
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func fileFromOptionsDir(elems ...string) ([]byte, error) {
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// only try custom dir, no static dir
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if data, err := readLocalFile([]string{setting.CustomPath}, "options", elems...); err == nil {
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return data, nil
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}
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// WalkLocales reads the content of a specific locale from static or custom path.
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func WalkLocales(callback func(path, name string, d fs.DirEntry, err error) error) error {
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if err := walkAssetDir(filepath.Join(setting.CustomPath, "options", "locale"), callback); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("failed to walk locales. Error: %w", err)
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}
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return nil
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}
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// Readme reads the content of a specific readme from bindata or custom path.
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func Readme(name string) ([]byte, error) {
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return fileFromDir(path.Join("readme", name))
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}
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// Gitignore reads the content of a gitignore locale from bindata or custom path.
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func Gitignore(name string) ([]byte, error) {
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return fileFromDir(path.Join("gitignore", name))
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}
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// License reads the content of a specific license from bindata or custom path.
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func License(name string) ([]byte, error) {
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return fileFromDir(path.Join("license", name))
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}
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// Labels reads the content of a specific labels from static or custom path.
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func Labels(name string) ([]byte, error) {
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return fileFromDir(path.Join("label", name))
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}
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// fileFromDir is a helper to read files from bindata or custom path.
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func fileFromDir(name string) ([]byte, error) {
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customPath := path.Join(setting.CustomPath, "options", name)
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isFile, err := util.IsFile(customPath)
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if err != nil {
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log.Error("Unable to check if %s is a file. Error: %v", customPath, err)
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}
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if isFile {
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return os.ReadFile(customPath)
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}
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f, err := Assets.Open(name)
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f, err := Assets.Open(util.PathJoinRelX(elems...))
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return io.ReadAll(f)
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}
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@ -5,6 +5,7 @@ package util
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import (
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"errors"
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"fmt"
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"net/url"
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"os"
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"path"
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@ -14,13 +15,92 @@ import (
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"strings"
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)
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// EnsureAbsolutePath ensure that a path is absolute, making it
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// relative to absoluteBase if necessary
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func EnsureAbsolutePath(path, absoluteBase string) string {
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if filepath.IsAbs(path) {
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return path
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// PathJoinRel joins the path elements into a single path, each element is cleaned by path.Clean separately.
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// It only returns the following values (like path.Join), any redundant part (empty, relative dots, slashes) is removed.
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// It's caller's duty to make every element not bypass its own directly level, to avoid security issues.
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//
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// empty => ``
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// `` => ``
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// `..` => `.`
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// `dir` => `dir`
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// `/dir/` => `dir`
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// `foo\..\bar` => `foo\..\bar`
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// {`foo`, ``, `bar`} => `foo/bar`
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// {`foo`, `..`, `bar`} => `foo/bar`
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func PathJoinRel(elem ...string) string {
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elems := make([]string, len(elem))
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for i, e := range elem {
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if e == "" {
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continue
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}
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return filepath.Join(absoluteBase, path)
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elems[i] = path.Clean("/" + e)
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}
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p := path.Join(elems...)
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if p == "" {
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return ""
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} else if p == "/" {
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return "."
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} else {
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return p[1:]
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}
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}
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// PathJoinRelX joins the path elements into a single path like PathJoinRel,
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// and covert all backslashes to slashes. (X means "extended", also means the combination of `\` and `/`).
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// It's caller's duty to make every element not bypass its own directly level, to avoid security issues.
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// It returns similar results as PathJoinRel except:
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//
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// `foo\..\bar` => `bar` (because it's processed as `foo/../bar`)
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//
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// All backslashes are handled as slashes, the result only contains slashes.
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func PathJoinRelX(elem ...string) string {
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elems := make([]string, len(elem))
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for i, e := range elem {
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if e == "" {
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continue
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}
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elems[i] = path.Clean("/" + strings.ReplaceAll(e, "\\", "/"))
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}
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return PathJoinRel(elems...)
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}
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const pathSeparator = string(os.PathSeparator)
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// FilePathJoinAbs joins the path elements into a single file path, each element is cleaned by filepath.Clean separately.
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// All slashes/backslashes are converted to path separators before cleaning, the result only contains path separators.
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// The first element must be an absolute path, caller should prepare the base path.
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// It's caller's duty to make every element not bypass its own directly level, to avoid security issues.
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// Like PathJoinRel, any redundant part (empty, relative dots, slashes) is removed.
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//
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// {`/foo`, ``, `bar`} => `/foo/bar`
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// {`/foo`, `..`, `bar`} => `/foo/bar`
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func FilePathJoinAbs(elem ...string) string {
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elems := make([]string, len(elem))
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// POISX filesystem can have `\` in file names. Windows: `\` and `/` are both used for path separators
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// to keep the behavior consistent, we do not allow `\` in file names, replace all `\` with `/`
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if isOSWindows() {
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elems[0] = filepath.Clean(elem[0])
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} else {
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elems[0] = filepath.Clean(strings.ReplaceAll(elem[0], "\\", pathSeparator))
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}
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if !filepath.IsAbs(elems[0]) {
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// This shouldn't happen. If there is really necessary to pass in relative path, return the full path with filepath.Abs() instead
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panic(fmt.Sprintf("FilePathJoinAbs: %q (for path %v) is not absolute, do not guess a relative path based on current working directory", elems[0], elems))
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}
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for i := 1; i < len(elem); i++ {
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if elem[i] == "" {
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continue
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}
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if isOSWindows() {
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elems[i] = filepath.Clean(pathSeparator + elem[i])
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} else {
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elems[i] = filepath.Clean(pathSeparator + strings.ReplaceAll(elem[i], "\\", pathSeparator))
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}
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}
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// the elems[0] must be an absolute path, just join them together
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return filepath.Join(elems...)
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}
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// IsDir returns true if given path is a directory,
|
||||
|
|
|
|||
|
|
@ -136,3 +136,77 @@ func TestMisc_IsReadmeFileName(t *testing.T) {
|
|||
assert.Equal(t, testCase.idx, idx)
|
||||
}
|
||||
}
|
||||
|
||||
func TestCleanPath(t *testing.T) {
|
||||
cases := []struct {
|
||||
elems []string
|
||||
expected string
|
||||
}{
|
||||
{[]string{}, ``},
|
||||
{[]string{``}, ``},
|
||||
{[]string{`..`}, `.`},
|
||||
{[]string{`a`}, `a`},
|
||||
{[]string{`/a/`}, `a`},
|
||||
{[]string{`../a/`, `../b`, `c/..`, `d`}, `a/b/d`},
|
||||
{[]string{`a\..\b`}, `a\..\b`},
|
||||
{[]string{`a`, ``, `b`}, `a/b`},
|
||||
{[]string{`a`, `..`, `b`}, `a/b`},
|
||||
{[]string{`lfs`, `repo/..`, `user/../path`}, `lfs/path`},
|
||||
}
|
||||
for _, c := range cases {
|
||||
assert.Equal(t, c.expected, PathJoinRel(c.elems...), "case: %v", c.elems)
|
||||
}
|
||||
|
||||
cases = []struct {
|
||||
elems []string
|
||||
expected string
|
||||
}{
|
||||
{[]string{}, ``},
|
||||
{[]string{``}, ``},
|
||||
{[]string{`..`}, `.`},
|
||||
{[]string{`a`}, `a`},
|
||||
{[]string{`/a/`}, `a`},
|
||||
{[]string{`../a/`, `../b`, `c/..`, `d`}, `a/b/d`},
|
||||
{[]string{`a\..\b`}, `b`},
|
||||
{[]string{`a`, ``, `b`}, `a/b`},
|
||||
{[]string{`a`, `..`, `b`}, `a/b`},
|
||||
{[]string{`lfs`, `repo/..`, `user/../path`}, `lfs/path`},
|
||||
}
|
||||
for _, c := range cases {
|
||||
assert.Equal(t, c.expected, PathJoinRelX(c.elems...), "case: %v", c.elems)
|
||||
}
|
||||
|
||||
// for POSIX only, but the result is similar on Windows, because the first element must be an absolute path
|
||||
if isOSWindows() {
|
||||
cases = []struct {
|
||||
elems []string
|
||||
expected string
|
||||
}{
|
||||
{[]string{`C:\..`}, `C:\`},
|
||||
{[]string{`C:\a`}, `C:\a`},
|
||||
{[]string{`C:\a/`}, `C:\a`},
|
||||
{[]string{`C:\..\a\`, `../b`, `c\..`, `d`}, `C:\a\b\d`},
|
||||
{[]string{`C:\a/..\b`}, `C:\b`},
|
||||
{[]string{`C:\a`, ``, `b`}, `C:\a\b`},
|
||||
{[]string{`C:\a`, `..`, `b`}, `C:\a\b`},
|
||||
{[]string{`C:\lfs`, `repo/..`, `user/../path`}, `C:\lfs\path`},
|
||||
}
|
||||
} else {
|
||||
cases = []struct {
|
||||
elems []string
|
||||
expected string
|
||||
}{
|
||||
{[]string{`/..`}, `/`},
|
||||
{[]string{`/a`}, `/a`},
|
||||
{[]string{`/a/`}, `/a`},
|
||||
{[]string{`/../a/`, `../b`, `c/..`, `d`}, `/a/b/d`},
|
||||
{[]string{`/a\..\b`}, `/b`},
|
||||
{[]string{`/a`, ``, `b`}, `/a/b`},
|
||||
{[]string{`/a`, `..`, `b`}, `/a/b`},
|
||||
{[]string{`/lfs`, `repo/..`, `user/../path`}, `/lfs/path`},
|
||||
}
|
||||
}
|
||||
for _, c := range cases {
|
||||
assert.Equal(t, c.expected, FilePathJoinAbs(c.elems...), "case: %v", c.elems)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue