A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// +build bindata
package cmd
import (
"errors"
"fmt"
"os"
"path/filepath"
"sort"
"strings"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/options"
"code.gitea.io/gitea/modules/public"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/templates"
"github.com/gobwas/glob"
"github.com/urfave/cli"
)
// Cmdembedded represents the available extract sub-command.
var (
Cmdembedded = cli.Command{
Name: "embedded",
Usage: "Extract embedded resources",
Description: "A command for extracting embedded resources, like templates and images",
Subcommands: []cli.Command{
subcmdList,
subcmdView,
subcmdExtract,
},
}
subcmdList = cli.Command{
Name: "list",
Usage: "List files matching the given pattern",
Action: runList,
Flags: []cli.Flag{
cli.BoolFlag{
Name: "include-vendored,vendor",
Usage: "Include files under public/vendor as well",
},
},
}
subcmdView = cli.Command{
Name: "view",
Usage: "View a file matching the given pattern",
Action: runView,
Flags: []cli.Flag{
cli.BoolFlag{
Name: "include-vendored,vendor",
Usage: "Include files under public/vendor as well",
},
},
}
subcmdExtract = cli.Command{
Name: "extract",
Usage: "Extract resources",
Action: runExtract,
Flags: []cli.Flag{
cli.BoolFlag{
Name: "include-vendored,vendor",
Usage: "Include files under public/vendor as well",
},
cli.BoolFlag{
Name: "overwrite",
Usage: "Overwrite files if they already exist",
},
cli.BoolFlag{
Name: "rename",
Usage: "Rename files as {name}.bak if they already exist (overwrites previous .bak)",
},
cli.BoolFlag{
Name: "custom",
Usage: "Extract to the 'custom' directory as per app.ini",
},
cli.StringFlag{
Name: "destination,dest-dir",
Usage: "Extract to the specified directory",
},
},
}
sections map[string]*section
assets []asset
)
type section struct {
Path string
Names func() []string
IsDir func(string) (bool, error)
Asset func(string) ([]byte, error)
}
type asset struct {
Section *section
Name string
Path string
}
func initEmbeddedExtractor(c *cli.Context) error {
// Silence the console logger
log.DelNamedLogger("console")
log.DelNamedLogger(log.DEFAULT)
// Read configuration file
setting.NewContext()
pats, err := getPatterns(c.Args())
if err != nil {
return err
}
sections := make(map[string]*section, 3)
sections["public"] = &section{Path: "public", Names: public.AssetNames, IsDir: public.AssetIsDir, Asset: public.Asset}
sections["options"] = &section{Path: "options", Names: options.AssetNames, IsDir: options.AssetIsDir, Asset: options.Asset}
sections["templates"] = &section{Path: "templates", Names: templates.AssetNames, IsDir: templates.AssetIsDir, Asset: templates.Asset}
for _, sec := range sections {
assets = append(assets, buildAssetList(sec, pats, c)...)
}
// Sort assets
sort.SliceStable(assets, func(i, j int) bool {
return assets[i].Path < assets[j].Path
})
return nil
}
func runList(c *cli.Context) error {
if err := runListDo(c); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return err
}
return nil
}
func runView(c *cli.Context) error {
if err := runViewDo(c); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return err
}
return nil
}
func runExtract(c *cli.Context) error {
if err := runExtractDo(c); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return err
}
return nil
}
func runListDo(c *cli.Context) error {
if err := initEmbeddedExtractor(c); err != nil {
return err
}
for _, a := range assets {
fmt.Println(a.Path)
}
return nil
}
func runViewDo(c *cli.Context) error {
if err := initEmbeddedExtractor(c); err != nil {
return err
}
if len(assets) == 0 {
return fmt.Errorf("No files matched the given pattern")
} else if len(assets) > 1 {
return fmt.Errorf("Too many files matched the given pattern; try to be more specific")
}
data, err := assets[0].Section.Asset(assets[0].Name)
if err != nil {
return fmt.Errorf("%s: %v", assets[0].Path, err)
}
if _, err = os.Stdout.Write(data); err != nil {
return fmt.Errorf("%s: %v", assets[0].Path, err)
}
return nil
}
func runExtractDo(c *cli.Context) error {
if err := initEmbeddedExtractor(c); err != nil {
return err
}
if len(c.Args()) == 0 {
return fmt.Errorf("A list of pattern of files to extract is mandatory (e.g. '**' for all)")
}
destdir := "."
if c.IsSet("destination") {
destdir = c.String("destination")
} else if c.Bool("custom") {
destdir = setting.CustomPath
fmt.Println("Using app.ini at", setting.CustomConf)
}
fi, err := os.Stat(destdir)
if errors.Is(err, os.ErrNotExist) {
// In case Windows users attempt to provide a forward-slash path
wdestdir := filepath.FromSlash(destdir)
if wfi, werr := os.Stat(wdestdir); werr == nil {
destdir = wdestdir
fi = wfi
err = nil
}
}
if err != nil {
return fmt.Errorf("%s: %s", destdir, err)
} else if !fi.IsDir() {
return fmt.Errorf("%s is not a directory.", destdir)
}
fmt.Printf("Extracting to %s:\n", destdir)
overwrite := c.Bool("overwrite")
rename := c.Bool("rename")
for _, a := range assets {
if err := extractAsset(destdir, a, overwrite, rename); err != nil {
// Non-fatal error
fmt.Fprintf(os.Stderr, "%s: %v", a.Path, err)
}
}
return nil
}
func extractAsset(d string, a asset, overwrite, rename bool) error {
dest := filepath.Join(d, filepath.FromSlash(a.Path))
dir := filepath.Dir(dest)
data, err := a.Section.Asset(a.Name)
if err != nil {
return fmt.Errorf("%s: %v", a.Path, err)
}
if err := os.MkdirAll(dir, os.ModePerm); err != nil {
return fmt.Errorf("%s: %v", dir, err)
}
perms := os.ModePerm & 0666
fi, err := os.Lstat(dest)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
return fmt.Errorf("%s: %v", dest, err)
}
} else if !overwrite && !rename {
fmt.Printf("%s already exists; skipped.\n", dest)
return nil
} else if !fi.Mode().IsRegular() {
return fmt.Errorf("%s already exists, but it's not a regular file", dest)
} else if rename {
if err := os.Rename(dest, dest+".bak"); err != nil {
return fmt.Errorf("Error creating backup for %s: %v", dest, err)
}
// Attempt to respect file permissions mask (even if user:group will be set anew)
perms = fi.Mode()
}
file, err := os.OpenFile(dest, os.O_WRONLY|os.O_TRUNC|os.O_CREATE, perms)
if err != nil {
return fmt.Errorf("%s: %v", dest, err)
}
defer file.Close()
if _, err = file.Write(data); err != nil {
return fmt.Errorf("%s: %v", dest, err)
}
fmt.Println(dest)
return nil
}
func buildAssetList(sec *section, globs []glob.Glob, c *cli.Context) []asset {
var results = make([]asset, 0, 64)
for _, name := range sec.Names() {
if isdir, err := sec.IsDir(name); !isdir && err == nil {
if sec.Path == "public" &&
strings.HasPrefix(name, "vendor/") &&
!c.Bool("include-vendored") {
continue
}
matchName := sec.Path + "/" + name
for _, g := range globs {
if g.Match(matchName) {
results = append(results, asset{Section: sec,
Name: name,
Path: sec.Path + "/" + name})
break
}
}
}
}
return results
}
func getPatterns(args []string) ([]glob.Glob, error) {
if len(args) == 0 {
args = []string{"**"}
}
pat := make([]glob.Glob, len(args))
for i := range args {
if g, err := glob.Compile(args[i], '/'); err != nil {
return nil, fmt.Errorf("'%s': Invalid glob pattern: %v", args[i], err)
} else {
pat[i] = g
}
}
return pat, nil
}