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authorLennart Poettering <lennart@poettering.net>2014-06-13 12:52:31 +0200
committerLennart Poettering <lennart@poettering.net>2014-06-13 13:26:32 +0200
commita55654d598c78f8e084aa6a18fec6eff900c9aed (patch)
tree12e119c56dae72ebdb9c62b74fb21163330ee5d9 /units/slices.target
parent8ea48dfcd33e8db0c01bf8c57c3bbcfdc3c86d4b (diff)
core: add new ConditionNeedsUpdate= unit condition
This new condition allows checking whether /etc or /var are out-of-date relative to /usr. This is the counterpart for the update flag managed by systemd-update-done.service. Services that want to be started once after /usr got updated should use: [Unit] ConditionNeedsUpdate=/etc Before=systemd-update-done.service This makes sure that they are only run if /etc is out-of-date relative to /usr. And that it will be executed after systemd-update-done.service which is responsible for marking /etc up-to-date relative to the current /usr. ConditionNeedsUpdate= will also checks whether /etc is actually writable, and not trigger if it isn't, since no update is possible then.
Diffstat (limited to 'units/slices.target')
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