Systemd offline updates magic symlink #860
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Adds support the "magic symlink" at /system-update or /etc/system-update. The package manager is supposed to create this link, a system generator checks for it, then the package manager needs to read it and then delete it to clean up after itself. The initrc_t permissions are because systemd provides a unit to forcibly cleanup in case the update program doesn't for some reason. Signed-off-by: Michael Snook <[email protected]>
with DNF version 5, the binary went from being named dnf-3 to dnf5 (no hyphen); dnf-4 is a symlink to dnf-3 and so just gets bin_t Signed-off-by: Michael Snook <[email protected]>
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Creates a new type for the /system-update symlink used for offline updates, as defined by systemd.offline-updates and implemented by DNF's offline mode. Without approriate permissions, trying to use the offline updates get into an infinite boot loop where the system can't remove the symlink and boot normally again.