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Fix up Command Debug output when arg0 is specified. #67219

Merged
merged 2 commits into from
Dec 20, 2019
Merged

Fix up Command Debug output when arg0 is specified. #67219

merged 2 commits into from
Dec 20, 2019

Commits on Dec 16, 2019

  1. 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 ...".
    @jsgf
    jsgf committed Dec 16, 2019
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  2. Move command-related tests into command/

    @jsgf
    jsgf committed Dec 16, 2019
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