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// Copyright 2024 Bjørn Erik Pedersen
// SPDX-License-Identifier: MIT
package envhelpers
import "strings"
// SetEnvVars sets vars on the form key=value in the oldVars slice.
func SetEnvVars(oldVars *[]string, keyValues ...string) {
for i := 0; i < len(keyValues); i += 2 {
setEnvVar(oldVars, keyValues[i], keyValues[i+1])
}
}
// SplitEnvVar splits an env var into key and value.
func SplitEnvVar(v string) (string, string) {
name, value, _ := strings.Cut(v, "=")
return name, value
}
func setEnvVar(vars *[]string, key, value string) {
for i := range *vars {
if strings.HasPrefix((*vars)[i], key+"=") {
(*vars)[i] = key + "=" + value
return
}
}
// New var.
*vars = append(*vars, key+"="+value)
}
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