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podman build --build-arg should fall back to environment
Fixes: https://github.com/containers/podman/issues/9571 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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@ -318,7 +318,12 @@ func buildFlagsWrapperToOptions(c *cobra.Command, contextDir string, flags *buil
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if len(av) > 1 {
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args[av[0]] = av[1]
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} else {
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delete(args, av[0])
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// check if the env is set in the local environment and use that value if it is
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if val, present := os.LookupEnv(av[0]); present {
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args[av[0]] = val
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} else {
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delete(args, av[0])
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}
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}
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}
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}
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