[cmake-developers] [PATCH] Extend copy and copy_if_different commands with support multiple files

[Bartosz Kosiorek]

Hi.


This patch allows to use multiple files in commands "copy" and "copy_if_different".
Input files could be merged with wildcards. For example:
     ./bin/cmake -E copy bin/* CMakeFiles/* file.tar dupajasia

If wrong file path were provided as input then the error will be displayed, but rest of the files will be copied. For example:
    ./bin/cmake -E copy bin/* CMakeFiles/* wrong_file file.tar dupajasia/
    Error copying file "wrong_file" to "dupajasia/".

If multipile input files were provided, then destination must be directory. Example:
    ./bin/cmake -E copy bin/* CMakeFiles/* wrong_file file.tar dupajasia/ctest
     Error: Target (copy) "dupajasia/ctest" is not a directory.

    ./bin/cmake -E copy bin/* dupajasia/ctest?
     Error: Target (copy) "dupajasia/ctest?" is not a directory.

If only one input file was provided, then destination could be either
file or directory:
     ./bin/cmake -E copy file.tar dupajasia/ctest

This path is starting point for fixing bug 15703:
?https://public.kitware.com/Bug/view.php?id=15703

Best Regards
Bartosz

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