dip/vendor/github.com/gobuffalo/packr/v2/jam/parser/args.go
2020-01-26 16:38:57 +01:00

53 lines
873 B
Go

package parser
import (
"encoding/json"
"fmt"
)
// FromArgs is useful when writing packr store-cmd binaries.
/*
package main
import (
"log"
"os"
"github.com/gobuffalo/packr/v2/jam/parser"
"github.com/markbates/s3packr/s3packr"
)
func main() {
err := parser.FromArgs(os.Args[1:], func(boxes parser.Boxes) error {
for _, box := range boxes {
s3 := s3packr.New(box)
if err := s3.Pack(box); err != nil {
return err
}
}
return nil
})
if err != nil {
log.Fatal(err)
}
}
*/
func FromArgs(args []string, fn func(Boxes) error) error {
if len(args) == 0 {
return fmt.Errorf("you must supply a payload")
}
payload := args[0]
if len(payload) == 0 {
return fmt.Errorf("you must supply a payload")
}
var boxes Boxes
err := json.Unmarshal([]byte(payload), &boxes)
if err != nil {
return err
}
return fn(boxes)
}