forgejo/modules/options/static.go
flynnnnnnnnnn e81ccc406b
Implement FSFE REUSE for golang files (#21840)
Change all license headers to comply with REUSE specification.

Fix #16132

Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
2022-11-27 18:20:29 +00:00

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// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
//go:build bindata
package options
import (
"fmt"
"io"
"io/fs"
"os"
"path"
"path/filepath"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
)
var directories = make(directorySet)
// Dir returns all files from bindata or custom directory.
func Dir(name string) ([]string, error) {
if directories.Filled(name) {
return directories.Get(name), nil
}
var result []string
customDir := path.Join(setting.CustomPath, "options", name)
isDir, err := util.IsDir(customDir)
if err != nil {
return []string{}, fmt.Errorf("unable to check if custom directory %q is a directory. %w", customDir, err)
}
if isDir {
files, err := util.StatDir(customDir, true)
if err != nil {
return []string{}, fmt.Errorf("unable to read custom directory %q. %w", customDir, err)
}
result = append(result, files...)
}
files, err := AssetDir(name)
if err != nil {
return []string{}, fmt.Errorf("unable to read embedded directory %q. %w", name, err)
}
result = append(result, files...)
return directories.AddAndGet(name, result), nil
}
func AssetDir(dirName string) ([]string, error) {
d, err := Assets.Open(dirName)
if err != nil {
return nil, err
}
defer d.Close()
files, err := d.Readdir(-1)
if err != nil {
return nil, err
}
results := make([]string, 0, len(files))
for _, file := range files {
results = append(results, file.Name())
}
return results, nil
}
// Locale reads the content of a specific locale from bindata or custom path.
func Locale(name string) ([]byte, error) {
return fileFromDir(path.Join("locale", name))
}
// WalkLocales reads the content of a specific locale from static or custom path.
func WalkLocales(callback func(path, name string, d fs.DirEntry, err error) error) error {
if err := walkAssetDir(filepath.Join(setting.CustomPath, "options", "locale"), callback); err != nil && !os.IsNotExist(err) {
return fmt.Errorf("failed to walk locales. Error: %w", err)
}
return nil
}
// Readme reads the content of a specific readme from bindata or custom path.
func Readme(name string) ([]byte, error) {
return fileFromDir(path.Join("readme", name))
}
// Gitignore reads the content of a gitignore locale from bindata or custom path.
func Gitignore(name string) ([]byte, error) {
return fileFromDir(path.Join("gitignore", name))
}
// License reads the content of a specific license from bindata or custom path.
func License(name string) ([]byte, error) {
return fileFromDir(path.Join("license", name))
}
// Labels reads the content of a specific labels from static or custom path.
func Labels(name string) ([]byte, error) {
return fileFromDir(path.Join("label", name))
}
// fileFromDir is a helper to read files from bindata or custom path.
func fileFromDir(name string) ([]byte, error) {
customPath := path.Join(setting.CustomPath, "options", name)
isFile, err := util.IsFile(customPath)
if err != nil {
log.Error("Unable to check if %s is a file. Error: %v", customPath, err)
}
if isFile {
return os.ReadFile(customPath)
}
f, err := Assets.Open(name)
if err != nil {
return nil, err
}
defer f.Close()
return io.ReadAll(f)
}
func Asset(name string) ([]byte, error) {
f, err := Assets.Open("/" + name)
if err != nil {
return nil, err
}
defer f.Close()
return io.ReadAll(f)
}
func AssetNames() []string {
realFS := Assets.(vfsgen۰FS)
results := make([]string, 0, len(realFS))
for k := range realFS {
results = append(results, k[1:])
}
return results
}
func AssetIsDir(name string) (bool, error) {
if f, err := Assets.Open("/" + name); err != nil {
return false, err
} else {
defer f.Close()
if fi, err := f.Stat(); err != nil {
return false, err
} else {
return fi.IsDir(), nil
}
}
}
// IsDynamic will return false when using embedded data (-tags bindata)
func IsDynamic() bool {
return false
}