113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
// This work is subject to the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
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// license. Its contents can be found at:
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// http://creativecommons.org/publicdomain/zero/1.0/
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package main
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import (
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"flag"
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"fmt"
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"github.com/jteeuwen/go-bindata"
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"os"
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"path/filepath"
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)
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func main() {
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cfg, status := parseArgs()
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err := bindata.Translate(cfg, status)
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if err != nil {
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fmt.Fprintf(os.Stderr, "bindata: %v", err)
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}
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}
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// parseArgs create s a new, filled configuration instance
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// by reading and parsing command line options.
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//
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// This function exits the program with an error, if
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// any of the command line options are incorrect.
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func parseArgs() (*bindata.Config, bindata.ProgressFunc) {
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var version, quiet bool
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c := bindata.NewConfig()
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flag.Usage = func() {
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fmt.Printf("Usage: %s [options] <input> [<output>]\n\n", os.Args[0])
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flag.PrintDefaults()
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}
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flag.StringVar(&c.Tags, "tags", c.Tags, "Comma-separated list of build tags to include.")
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flag.StringVar(&c.Prefix, "prefix", c.Prefix, "Optional path prefix to strip off map keys and function names.")
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flag.StringVar(&c.Package, "pkg", c.Package, "Package name to use in the generated code.")
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flag.BoolVar(&c.NoMemCopy, "nomemcopy", c.NoMemCopy, "Use a .rodata hack to get rid of unnecessary memcopies. Refer to the documentation to see what implications this carries.")
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flag.BoolVar(&c.Compress, "compress", c.Compress, "Assets will be GZIP compressed when this flag is specified.")
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flag.BoolVar(&version, "version", false, "Displays version information.")
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flag.BoolVar(&quiet, "quiet", false, "Do not print conversion status.")
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flag.Parse()
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if version {
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fmt.Printf("%s\n", Version())
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os.Exit(0)
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}
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// Make sure we have in/output paths.
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if flag.NArg() == 0 {
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fmt.Fprintf(os.Stderr, "Missing asset directory.\n")
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os.Exit(1)
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}
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// Test validity of input path.
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c.Input = filepath.Clean(flag.Arg(0))
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stat, err := os.Lstat(c.Input)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Input path: %v.\n", err)
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os.Exit(1)
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}
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if !stat.IsDir() {
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fmt.Fprintf(os.Stderr, "Input path is not a directory.\n")
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os.Exit(1)
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}
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// Find and test validity of output path.
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if flag.NArg() > 1 {
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c.Output = filepath.Clean(flag.Arg(1))
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stat, err := os.Lstat(c.Output)
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if err != nil {
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if !os.IsNotExist(err) {
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fmt.Fprintf(os.Stderr, "Output path: %v.\n", err)
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os.Exit(1)
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}
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// Create output directory
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err = os.MkdirAll(c.Output, 0744)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Create Output directory: %v.\n", err)
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os.Exit(1)
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}
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} else if !stat.IsDir() {
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fmt.Fprintf(os.Stderr, "Output path is not a directory.\n")
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os.Exit(1)
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}
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} else {
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// If no output path is specified, use the current directory.
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c.Output, err = os.Getwd()
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if err != nil {
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fmt.Fprintf(os.Stderr, "Unable to determine current working directory: %v\n", err)
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os.Exit(1)
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}
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}
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if quiet {
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return c, nil
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}
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return c, func(file string, current, total int) bool {
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fmt.Printf("[%d/%d] %s\n", current, total, file)
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return false
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}
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}
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