The check for the setcap binary was added in commit
dd5ae4c36c to set the CAP_MAC_ADMIN
capability for systemd-bus-proxyd. Later on, bus-proxyd was removed in
commit 798c486fbc.
So remove the leftover setcap configure check as well.
Commit b006762 inverted the initial exit code which is relevant for --help and
--version without a particular reason. For these special options, parse_argv()
returns 0 so that our main() immediately skips to the end without adjusting
"ret". Otherwise, if an actual container is being started, ret is set on error
in run(), which still provides the "non-zero exit on error" behaviour.
Fixes#4605.
If the "systemctl start" happens at an "unlucky" time such as 1000.9 seconds
and then e. g. runs for 2.6 s (sleep 2 plus the overhead of starting the unit
and waiting for it) the END_SEC would be 1003.5s which would round to 1004,
making the difference 4. On busier testbeds the overhead apparently can take a
bit more than 0.5s. The main point is really that it doesn't wait that much
longer, so "-le 4" seems perfectly fine. We allow up to 1.5s in the subsequent
"wait5fail" test below too.
Fixes#4582
Instead of having two fields inside BindMount struct where one is stack
based and the other one is heap, use one field to store the full path
and updated it when we chase symlinks. This way we avoid dealing with
both at the same time.
This makes RootDirectory= work with ProtectHome= and ProtectKernelModules=yes
Fixes: https://github.com/systemd/systemd/issues/4567
If systemd is built with --enable-split-usr, but the system is indeed a
merged-usr system, then systemd-delta gets all confused and reports
that all units and configuration files have been overridden.
Skip any prefix paths that are symlinks in this case.
Fixes: #4573
