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- Use `python2` executable if it exists, to avoid breakage on systems (such as Arch Linux) where `python` is Python 3. - Quote all references to `$0`, for safety when located in a directory containing spaces in its name. - Use the `exec` shell command to avoid leaving the shell wrapper in the process table when invoking the actual build tool. - Use `"$@"` rather than `$*` to pass arguments through directly rather than concatenating to a string, and then string-splitting and glob-expanding its contents. - Use `$BASH_SOURCE` in preference to `$0` (which is only guaranteed to be process name, *not* source path). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Charles Duffy <chaduffy@cisco.com> Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19694 6f19259b-4bc3-4df7-8a09-765794883524