packer/command/flag-kv/flag.go
hashicorp-copywrite[bot] abc4bfffce
Merge pull request #13632 from hashicorp/compliance/add-headers
[COMPLIANCE] Add/Update Copyright Headers
2026-06-03 14:37:46 +05:30

32 lines
586 B
Go

// Copyright IBM Corp. 2024, 2025
// SPDX-License-Identifier: BUSL-1.1
package kvflag
import (
"fmt"
"strings"
)
// Flag is a flag.Value implementation for parsing user variables
// from the command-line in the format of '-var key=value'.
type Flag map[string]string
func (v *Flag) String() string {
return ""
}
func (v *Flag) Set(raw string) error {
idx := strings.Index(raw, "=")
if idx == -1 {
return fmt.Errorf("No '=' value in arg: %s", raw)
}
if *v == nil {
*v = make(map[string]string)
}
key, value := raw[0:idx], raw[idx+1:]
(*v)[key] = value
return nil
}