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Merge pull request #221 from cpuguy83/build_args_env

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build: only use env for args if set
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Tõnis Tiigi 2020-01-08 15:30:01 -08:00 committed by GitHub
commit 5a79b401b0
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1 changed files with 4 additions and 1 deletions
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5
commands/build.go
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@ -305,7 +305,10 @@ func listToMap(values []string, defaultEnv bool) map[string]string {
kv := strings.SplitN(value, "=", 2)
if len(kv) == 1 {
if defaultEnv {
result[kv[0]] = os.Getenv(kv[0])
v, ok := os.LookupEnv(kv[0])
if ok {
result[kv[0]] = v
}
} else {
result[kv[0]] = ""
}