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109 lines
3.5 KiB
Go
109 lines
3.5 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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"os"
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"path/filepath"
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"regexp"
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"strings"
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"github.com/go-bindata/go-bindata"
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)
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func main() {
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cfg := parseArgs()
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err := bindata.Translate(cfg)
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if err != nil {
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fmt.Fprintf(os.Stderr, "bindata: %v\n", err)
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os.Exit(1)
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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 {
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var version 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 directories>\n\n", os.Args[0])
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flag.PrintDefaults()
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}
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flag.BoolVar(&c.Debug, "debug", c.Debug, "Do not embed the assets, but provide the embedding API. Contents will still be loaded from disk.")
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flag.BoolVar(&c.Dev, "dev", c.Dev, "Similar to debug, but does not emit absolute paths. Expects a rootDir variable to already exist in the generated code's package.")
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flag.StringVar(&c.Tags, "tags", c.Tags, "Optional set of build tags to include.")
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flag.StringVar(&c.Prefix, "prefix", c.Prefix, "Optional path prefix to strip off asset 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.NoCompress, "nocompress", c.NoCompress, "Assets will *not* be GZIP compressed when this flag is specified.")
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flag.BoolVar(&c.NoMetadata, "nometadata", c.NoMetadata, "Assets will not preserve size, mode, and modtime info.")
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flag.BoolVar(&c.HttpFileSystem, "fs", c.HttpFileSystem, "Whether generate instance http.FileSystem interface code.")
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flag.UintVar(&c.Mode, "mode", c.Mode, "Optional file mode override for all files.")
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flag.Int64Var(&c.ModTime, "modtime", c.ModTime, "Optional modification unix timestamp override for all files.")
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flag.StringVar(&c.Output, "o", c.Output, "Optional name of the output file to be generated.")
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flag.BoolVar(&version, "version", false, "Displays version information.")
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ignore := make([]string, 0)
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flag.Var((*AppendSliceValue)(&ignore), "ignore", "Regex pattern to ignore")
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flag.Parse()
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patterns := make([]*regexp.Regexp, 0)
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for _, pattern := range ignore {
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patterns = append(patterns, regexp.MustCompile(pattern))
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}
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c.Ignore = patterns
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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 input paths.
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if flag.NArg() == 0 {
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fmt.Fprintf(os.Stderr, "Missing <input dir>\n\n")
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flag.Usage()
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os.Exit(1)
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}
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// Create input configurations.
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c.Input = make([]bindata.InputConfig, flag.NArg())
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for i := range c.Input {
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c.Input[i] = parseInput(flag.Arg(i))
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}
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return c
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}
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// parseRecursive determines whether the given path has a recrusive indicator and
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// returns a new path with the recursive indicator chopped off if it does.
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//
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// ex:
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// /path/to/foo/... -> (/path/to/foo, true)
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// /path/to/bar -> (/path/to/bar, false)
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func parseInput(path string) bindata.InputConfig {
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if strings.HasSuffix(path, "/...") {
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return bindata.InputConfig{
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Path: filepath.Clean(path[:len(path)-4]),
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Recursive: true,
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}
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} else {
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return bindata.InputConfig{
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Path: filepath.Clean(path),
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Recursive: false,
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}
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}
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}
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