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d0dbe52e76
Replace #10912 And there are many new tests to cover the CLI behavior There were some concerns about the "option order in hook scripts" (https://github.com/go-gitea/gitea/pull/10912#issuecomment-1137543314), it's not a problem now. Because the hook script uses `/gitea hook --config=/app.ini pre-receive` format. The "config" is a global option, it can appear anywhere. ---- ## ⚠️ BREAKING ⚠️ This PR does it best to avoid breaking anything. The major changes are: * `gitea` itself won't accept web's options: `--install-port` / `--pid` / `--port` / `--quiet` / `--verbose` .... They are `web` sub-command's options. * Use `./gitea web --pid ....` instead * `./gitea` can still run the `web` sub-command as shorthand, with default options * The sub-command's options must follow the sub-command * Before: `./gitea --sub-opt subcmd` might equal to `./gitea subcmd --sub-opt` (well, might not ...) * After: only `./gitea subcmd --sub-opt` could be used * The global options like `--config` are not affected
310 lines
7.3 KiB
Go
310 lines
7.3 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cmd
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"code.gitea.io/gitea/modules/assetfs"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/options"
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"code.gitea.io/gitea/modules/public"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/templates"
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"code.gitea.io/gitea/modules/util"
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"github.com/gobwas/glob"
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"github.com/urfave/cli/v2"
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)
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// CmdEmbedded represents the available extract sub-command.
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var (
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CmdEmbedded = &cli.Command{
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Name: "embedded",
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Usage: "Extract embedded resources",
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Description: "A command for extracting embedded resources, like templates and images",
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Subcommands: []*cli.Command{
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subcmdList,
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subcmdView,
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subcmdExtract,
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},
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}
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subcmdList = &cli.Command{
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Name: "list",
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Usage: "List files matching the given pattern",
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Action: runList,
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "include-vendored",
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Aliases: []string{"vendor"},
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Usage: "Include files under public/vendor as well",
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},
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},
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}
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subcmdView = &cli.Command{
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Name: "view",
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Usage: "View a file matching the given pattern",
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Action: runView,
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "include-vendored",
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Aliases: []string{"vendor"},
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Usage: "Include files under public/vendor as well",
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},
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},
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}
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subcmdExtract = &cli.Command{
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Name: "extract",
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Usage: "Extract resources",
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Action: runExtract,
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "include-vendored",
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Aliases: []string{"vendor"},
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Usage: "Include files under public/vendor as well",
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},
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&cli.BoolFlag{
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Name: "overwrite",
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Usage: "Overwrite files if they already exist",
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},
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&cli.BoolFlag{
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Name: "rename",
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Usage: "Rename files as {name}.bak if they already exist (overwrites previous .bak)",
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},
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&cli.BoolFlag{
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Name: "custom",
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Usage: "Extract to the 'custom' directory as per app.ini",
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},
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&cli.StringFlag{
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Name: "destination",
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Aliases: []string{"dest-dir"},
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Usage: "Extract to the specified directory",
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},
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},
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}
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matchedAssetFiles []assetFile
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)
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type assetFile struct {
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fs *assetfs.LayeredFS
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name string
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path string
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}
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func initEmbeddedExtractor(c *cli.Context) error {
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setupConsoleLogger(log.ERROR, log.CanColorStderr, os.Stderr)
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patterns, err := compileCollectPatterns(c.Args().Slice())
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if err != nil {
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return err
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}
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collectAssetFilesByPattern(c, patterns, "options", options.BuiltinAssets())
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collectAssetFilesByPattern(c, patterns, "public", public.BuiltinAssets())
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collectAssetFilesByPattern(c, patterns, "templates", templates.BuiltinAssets())
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return nil
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}
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func runList(c *cli.Context) error {
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if err := runListDo(c); err != nil {
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fmt.Fprintf(os.Stderr, "%v\n", err)
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return err
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}
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return nil
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}
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func runView(c *cli.Context) error {
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if err := runViewDo(c); err != nil {
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fmt.Fprintf(os.Stderr, "%v\n", err)
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return err
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}
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return nil
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}
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func runExtract(c *cli.Context) error {
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if err := runExtractDo(c); err != nil {
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fmt.Fprintf(os.Stderr, "%v\n", err)
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return err
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}
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return nil
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}
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func runListDo(c *cli.Context) error {
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if err := initEmbeddedExtractor(c); err != nil {
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return err
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}
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for _, a := range matchedAssetFiles {
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fmt.Println(a.path)
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}
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return nil
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}
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func runViewDo(c *cli.Context) error {
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if err := initEmbeddedExtractor(c); err != nil {
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return err
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}
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if len(matchedAssetFiles) == 0 {
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return fmt.Errorf("no files matched the given pattern")
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} else if len(matchedAssetFiles) > 1 {
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return fmt.Errorf("too many files matched the given pattern, try to be more specific")
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}
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data, err := matchedAssetFiles[0].fs.ReadFile(matchedAssetFiles[0].name)
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if err != nil {
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return fmt.Errorf("%s: %w", matchedAssetFiles[0].path, err)
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}
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if _, err = os.Stdout.Write(data); err != nil {
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return fmt.Errorf("%s: %w", matchedAssetFiles[0].path, err)
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}
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return nil
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}
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func runExtractDo(c *cli.Context) error {
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if err := initEmbeddedExtractor(c); err != nil {
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return err
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}
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if c.NArg() == 0 {
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return fmt.Errorf("a list of pattern of files to extract is mandatory (e.g. '**' for all)")
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}
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destdir := "."
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if c.IsSet("destination") {
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destdir = c.String("destination")
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} else if c.Bool("custom") {
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destdir = setting.CustomPath
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fmt.Println("Using app.ini at", setting.CustomConf)
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}
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fi, err := os.Stat(destdir)
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if errors.Is(err, os.ErrNotExist) {
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// In case Windows users attempt to provide a forward-slash path
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wdestdir := filepath.FromSlash(destdir)
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if wfi, werr := os.Stat(wdestdir); werr == nil {
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destdir = wdestdir
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fi = wfi
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err = nil
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}
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}
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if err != nil {
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return fmt.Errorf("%s: %s", destdir, err)
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} else if !fi.IsDir() {
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return fmt.Errorf("destination %q is not a directory", destdir)
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}
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fmt.Printf("Extracting to %s:\n", destdir)
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overwrite := c.Bool("overwrite")
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rename := c.Bool("rename")
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for _, a := range matchedAssetFiles {
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if err := extractAsset(destdir, a, overwrite, rename); err != nil {
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// Non-fatal error
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fmt.Fprintf(os.Stderr, "%s: %v", a.path, err)
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}
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}
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return nil
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}
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func extractAsset(d string, a assetFile, overwrite, rename bool) error {
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dest := filepath.Join(d, filepath.FromSlash(a.path))
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dir := filepath.Dir(dest)
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data, err := a.fs.ReadFile(a.name)
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if err != nil {
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return fmt.Errorf("%s: %w", a.path, err)
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}
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if err := os.MkdirAll(dir, os.ModePerm); err != nil {
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return fmt.Errorf("%s: %w", dir, err)
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}
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perms := os.ModePerm & 0o666
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fi, err := os.Lstat(dest)
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if err != nil {
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if !errors.Is(err, os.ErrNotExist) {
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return fmt.Errorf("%s: %w", dest, err)
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}
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} else if !overwrite && !rename {
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fmt.Printf("%s already exists; skipped.\n", dest)
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return nil
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} else if !fi.Mode().IsRegular() {
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return fmt.Errorf("%s already exists, but it's not a regular file", dest)
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} else if rename {
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if err := util.Rename(dest, dest+".bak"); err != nil {
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return fmt.Errorf("error creating backup for %s: %w", dest, err)
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}
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// Attempt to respect file permissions mask (even if user:group will be set anew)
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perms = fi.Mode()
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}
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file, err := os.OpenFile(dest, os.O_WRONLY|os.O_TRUNC|os.O_CREATE, perms)
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if err != nil {
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return fmt.Errorf("%s: %w", dest, err)
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}
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defer file.Close()
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if _, err = file.Write(data); err != nil {
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return fmt.Errorf("%s: %w", dest, err)
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}
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fmt.Println(dest)
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return nil
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}
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func collectAssetFilesByPattern(c *cli.Context, globs []glob.Glob, path string, layer *assetfs.Layer) {
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fs := assetfs.Layered(layer)
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files, err := fs.ListAllFiles(".", true)
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if err != nil {
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log.Error("Error listing files in %q: %v", path, err)
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return
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}
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for _, name := range files {
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if path == "public" &&
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strings.HasPrefix(name, "vendor/") &&
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!c.Bool("include-vendored") {
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continue
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}
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matchName := path + "/" + name
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for _, g := range globs {
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if g.Match(matchName) {
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matchedAssetFiles = append(matchedAssetFiles, assetFile{fs: fs, name: name, path: path + "/" + name})
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break
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}
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}
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}
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}
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func compileCollectPatterns(args []string) ([]glob.Glob, error) {
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if len(args) == 0 {
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args = []string{"**"}
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}
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pat := make([]glob.Glob, len(args))
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for i := range args {
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if g, err := glob.Compile(args[i], '/'); err != nil {
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return nil, fmt.Errorf("'%s': Invalid glob pattern: %w", args[i], err)
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} else { //nolint:revive
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pat[i] = g
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}
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}
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return pat, nil
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}
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