8f2c5dea63
Fixes https://github.com/systemd/systemd/issues/38895. Fix the confusing behavior where when an incorrect configuration item such as 'ManagerEnvironment=SYSTEMD_LOG_LEVEL=' is set, the first daemon-reload uses old environment variables while the second daemon-reload uses LogLevel=. Co-authored-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> The difference in behaviour is that the operations that were done between the first log_parse_environment() and the second one might not be logged now, e.g. if the environment enabled debug logging. That is unfortunate, but parsing the environment twice and not having the explicit configuration take effect until a second daemon-reload is confusing. We will always have some window where the configuration for logging does not apply, in particular this must be true when parsing the logging configuration. To make that window smaller, move operations that could log after the call to log_parse_environment() as far as possible.
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