The systemd-repart code was already smart enough to look for definitions
there, but the unit file conditions made that pointless. Let's fix that.
ConditionDirectoryNotEmpty=|/usr/local/lib/repart.d
ConditionDirectoryNotEmpty=|/etc/repart.d
ConditionDirectoryNotEmpty=|/run/repart.d
+ConditionDirectoryNotEmpty=|/sysroot/usr/lib/repart.d
+ConditionDirectoryNotEmpty=|/sysroot/usr/local/lib/repart.d
+ConditionDirectoryNotEmpty=|/sysroot/etc/repart.d
+ConditionDirectoryNotEmpty=|/sysusr/usr/lib/repart.d
+ConditionDirectoryNotEmpty=|/sysusr/usr/local/lib/repart.d
[Service]
Type=oneshot