mirror of
https://github.com/go-gitea/gitea
synced 2024-08-26 20:15:23 +02:00
Ref: * https://github.com/go-gitea/gitea/issues/25377#issuecomment-1609757289 And some sub-commands like "generate" / "docs", they do not need to use the ini config
306 lines
7.1 KiB
Go
306 lines
7.1 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/modules/assetfs"
|
|
"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"
|
|
"code.gitea.io/gitea/modules/util"
|
|
|
|
"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",
|
|
},
|
|
},
|
|
}
|
|
|
|
matchedAssetFiles []assetFile
|
|
)
|
|
|
|
type assetFile struct {
|
|
fs *assetfs.LayeredFS
|
|
name string
|
|
path string
|
|
}
|
|
|
|
func initEmbeddedExtractor(c *cli.Context) error {
|
|
setupConsoleLogger(log.ERROR, log.CanColorStderr, os.Stderr)
|
|
|
|
patterns, err := compileCollectPatterns(c.Args())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
collectAssetFilesByPattern(c, patterns, "options", options.BuiltinAssets())
|
|
collectAssetFilesByPattern(c, patterns, "public", public.BuiltinAssets())
|
|
collectAssetFilesByPattern(c, patterns, "templates", templates.BuiltinAssets())
|
|
|
|
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 matchedAssetFiles {
|
|
fmt.Println(a.path)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func runViewDo(c *cli.Context) error {
|
|
if err := initEmbeddedExtractor(c); err != nil {
|
|
return err
|
|
}
|
|
|
|
if len(matchedAssetFiles) == 0 {
|
|
return fmt.Errorf("no files matched the given pattern")
|
|
} else if len(matchedAssetFiles) > 1 {
|
|
return fmt.Errorf("too many files matched the given pattern, try to be more specific")
|
|
}
|
|
|
|
data, err := matchedAssetFiles[0].fs.ReadFile(matchedAssetFiles[0].name)
|
|
if err != nil {
|
|
return fmt.Errorf("%s: %w", matchedAssetFiles[0].path, err)
|
|
}
|
|
|
|
if _, err = os.Stdout.Write(data); err != nil {
|
|
return fmt.Errorf("%s: %w", matchedAssetFiles[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("destination %q is not a directory", destdir)
|
|
}
|
|
|
|
fmt.Printf("Extracting to %s:\n", destdir)
|
|
|
|
overwrite := c.Bool("overwrite")
|
|
rename := c.Bool("rename")
|
|
|
|
for _, a := range matchedAssetFiles {
|
|
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 assetFile, overwrite, rename bool) error {
|
|
dest := filepath.Join(d, filepath.FromSlash(a.path))
|
|
dir := filepath.Dir(dest)
|
|
|
|
data, err := a.fs.ReadFile(a.name)
|
|
if err != nil {
|
|
return fmt.Errorf("%s: %w", a.path, err)
|
|
}
|
|
|
|
if err := os.MkdirAll(dir, os.ModePerm); err != nil {
|
|
return fmt.Errorf("%s: %w", dir, err)
|
|
}
|
|
|
|
perms := os.ModePerm & 0o666
|
|
|
|
fi, err := os.Lstat(dest)
|
|
if err != nil {
|
|
if !errors.Is(err, os.ErrNotExist) {
|
|
return fmt.Errorf("%s: %w", 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 := util.Rename(dest, dest+".bak"); err != nil {
|
|
return fmt.Errorf("error creating backup for %s: %w", 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: %w", dest, err)
|
|
}
|
|
defer file.Close()
|
|
|
|
if _, err = file.Write(data); err != nil {
|
|
return fmt.Errorf("%s: %w", dest, err)
|
|
}
|
|
|
|
fmt.Println(dest)
|
|
|
|
return nil
|
|
}
|
|
|
|
func collectAssetFilesByPattern(c *cli.Context, globs []glob.Glob, path string, layer *assetfs.Layer) {
|
|
fs := assetfs.Layered(layer)
|
|
files, err := fs.ListAllFiles(".", true)
|
|
if err != nil {
|
|
log.Error("Error listing files in %q: %v", path, err)
|
|
return
|
|
}
|
|
for _, name := range files {
|
|
if path == "public" &&
|
|
strings.HasPrefix(name, "vendor/") &&
|
|
!c.Bool("include-vendored") {
|
|
continue
|
|
}
|
|
matchName := path + "/" + name
|
|
for _, g := range globs {
|
|
if g.Match(matchName) {
|
|
matchedAssetFiles = append(matchedAssetFiles, assetFile{fs: fs, name: name, path: path + "/" + name})
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func compileCollectPatterns(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: %w", args[i], err)
|
|
} else { //nolint:revive
|
|
pat[i] = g
|
|
}
|
|
}
|
|
return pat, nil
|
|
}
|