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This repository was archived by the owner on May 28, 2025. It is now read-only.
Fix up Command Debug output when arg0 is specified.
PR rust-lang#66512 added the ability to set argv[0] on
Command. As a side effect, it changed the Debug output to print both the program and
argv[0], which in practice results in stuttery output ("echo echo foo").
This PR reverts the behaviour to the the old one, so that the command is only printed
once - unless arg0 has been set. In that case it emits "[command] arg0 arg1 ...".
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