mirror of https://github.com/markbates/pkger.git
70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net/http"
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"os"
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"github.com/markbates/pkger"
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)
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const host = ":3000"
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func main() {
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// get the currently running application's here.Info.
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// this contains really, really, really useful information
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// about your application, check it out. :)
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// we don't need it for this example, but i thought it could
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// be good to show.
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current, err := pkger.Current()
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println(current)
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fmt.Printf("Walking files for %s\n", current.ImportPath)
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// walk the files in this module. "/" is where the `go.mod` for this module is
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err = pkger.Walk("github.com/gobuffalo/buffalo:/render", func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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fmt.Println(">> ", path)
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return nil
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})
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if err != nil {
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log.Fatal(err)
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}
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// find the public directory with using the full pkger path <pkg:/path> to it:
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// pkg - is the module/package you want to get a file from
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// if pkg is empty then it is assumed to be current.ImportPath
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// : - seperator between the module/package name, pkg, and the "file path"
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// path - this is the ABSOLUTE path to the file/directory you want, as relative
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// to the root of the module/package's go.mod file.
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dir, err := pkger.Open("github.com/markbates/pkger/examples/app:/public")
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if err != nil {
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log.Fatal(err)
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}
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// don't forget to close the file later
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defer dir.Close()
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fmt.Printf("\nServing %q on %s\n", dir.Path(), host)
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// serve the public directory on the host (":3000")
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// just like using the os package you still need to use
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// http.FileServer to serve a directory.
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// you DON'T, however, need to use http.Dir all pkger files
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// already implement that interface.
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log.Fatal(http.ListenAndServe(host, logger(http.FileServer(dir))))
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}
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// logger will print out the requests as they come in, otherwise its a blank
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// screen, and that's no fun.
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func logger(h http.Handler) http.HandlerFunc {
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return func(res http.ResponseWriter, req *http.Request) {
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log.Println(req.Method, req.URL.String())
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h.ServeHTTP(res, req)
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}
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}
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