Anita Zhang
98199724cb
After 85c5d313b5, if you, for example,
create a drop-in for -.slice without a corresponding -.slice file, you will
get the following:
# put some valid stuff in /etc/systemd/system/-.slice.d/override.conf
[root@image ~]# systemctl daemon-reload
[root@image ~]# systemctl edit -- -.slice
Assertion 'path' failed at src/systemctl/systemctl-edit.c:425, function
find_paths_to_edit(). Aborting.
Aborted
The aforementioned commit sets the ret_dropin_paths argument for
unit_find_paths(). Thus, unit_find_paths() returns 1 in the example above
because it finds a relevant drop-in. However find_paths_to_edit() was written
to expect 1 only if the unit file itself exists (it does not in this example).
To make this behave more like the version of `systemctl edit` prior to
this commit, add an additional check so the code enters the
"unit file not found" code branch.
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