mkosi will itself use run0 or sudo when not running as root to invoke systemd-nspawn, so no need to do it in HACKING.md. (cherry picked from commit 1743f0370fd89d95a2fa89e8475f4b82a38f54c3)
System and Service Manager
Details
Most documentation is available on systemd's web site.
Assorted, older, general information about systemd can be found in the systemd Wiki.
Information about build requirements is provided in the README file.
Consult our NEWS file for information about what's new in the most recent systemd versions.
Please see the Code Map for information about this repository's layout and content.
Please see the Hacking guide for information on how to hack on systemd and test your modifications.
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When preparing patches for systemd, please follow our Coding Style Guidelines.
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Stable branches with backported patches are available in the stable repo.
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