Lennart Poettering
f21a3a82fb
It's OK to specify the root dir as target directory when copying directories. However, in that case path_extract_filename() is going to fail, because the root dir simply has not filename. Let's address that by moving the call further down into the loop, when we made sure that the target dir doesn't exist yet (the root dir always exists, hence this check is sufficient). Moreover, in the branch for copying regular files, also move the calls down, and generate friendly error messages in case people try to overwrite dirs with regular files (and the root dir is just a special case of a dir). Altogether this makes CopyFiles=/some/place:/ work, i.e. copying some dir on the host into the root dir of the newly created fs. Previously this would fail with an error about the inability to extract a filename from "/", needlessly.
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