Main directory becomes the library. go-bindata subdir holds
the command code.
This commit is contained in:
parent
6187b52beb
commit
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106
go-bindata/config.go
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106
go-bindata/config.go
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// 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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"strings"
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)
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// Config defines command line options.
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type Config struct {
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Input string // Input directory with assets.
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Output string // Output directory for generated code.
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Tags []string // Build tags to include in output files.
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}
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// NewConfig create s anew, 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 NewConfig() *Config {
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var version bool
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var tagstr string
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c := new(Config)
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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(&tagstr, "tags", "", "Comma-separated list of build tags to include.")
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flag.BoolVar(&version, "version", false, "Displays version information.")
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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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// Process build tags.
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if len(tagstr) > 0 {
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c.Tags = strings.Split(tagstr, ",")
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} else {
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c.Tags = append(c.Tags, "debug")
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}
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return c
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}
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14
go-bindata/main.go
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14
go-bindata/main.go
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// 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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"fmt"
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)
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func main() {
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cfg := NewConfig()
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fmt.Println(cfg)
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}
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31
go-bindata/version.go
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31
go-bindata/version.go
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// 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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"fmt"
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"runtime"
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)
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const (
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AppName = "bindata"
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AppVersionMajor = 3
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AppVersionMinor = 1
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)
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// revision part of the program version.
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// This will be set automatically at build time like so:
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//
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// go build -ldflags "-X main.AppVersionRev `date -u +%s`"
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var AppVersionRev string
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func Version() string {
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if len(AppVersionRev) == 0 {
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AppVersionRev = "0"
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}
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return fmt.Sprintf("%s %d.%d.%s (Go runtime %s).\nCopyright (c) 2010-2013, Jim Teeuwen.",
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AppName, AppVersionMajor, AppVersionMinor, AppVersionRev, runtime.Version())
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}
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