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child_process: refactor normalizeSpawnArguments() #14149

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@Trott Trott commented Jul 9, 2017

Not sure how this will be received, but it was bugging me, so I changed it for readability:

Code is not in hot path. Refactor ternary to be more readable if/else
block that mirrors analogous code elsewhere in the function. Change
string concatenation to template literal.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines
Affected core subsystem(s)

child_process

Code is not in hot path. Refactor ternary to be more readable if/else
block that mirrors analogous code elsewhere in the function. Change
string concatenation to template literal.
@Trott Trott added the child_process Issues and PRs related to the child_process subsystem. label Jul 9, 2017
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Trott commented Jul 10, 2017

if (typeof options.shell === 'string')
file = options.shell;
else
file = process.env.comspec || 'cmd.exe';
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Since you touched this. I'm not sure an environment without a comspec is valid...
@nodejs/platform-windows

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@refack No, it is not, at least not in the top-level environment. %COMSPEC% must always be a valid path to an executable acting as the "shell". However, the value of %COMSPEC% can be modified by users and can be overriden and/or deleted for child processes. Windows will not prevent that, even though it is not intended behavior.

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The same way a user can remove cmd.exe from the Path or from the system completely.
IMHO we should deprecate the || 'cmd.exe' part.

Ref: #14156
Ref: #14157

Trott added a commit to Trott/io.js that referenced this pull request Jul 12, 2017
Code is not in hot path. Refactor ternary to be more readable if/else
block that mirrors analogous code elsewhere in the function. Change
string concatenation to template literal.

PR-URL: nodejs#14149
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
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Trott commented Jul 12, 2017

Landed in 6d090e1

@Trott Trott closed this Jul 12, 2017
@addaleax addaleax mentioned this pull request Jul 18, 2017
addaleax pushed a commit that referenced this pull request Jul 18, 2017
Code is not in hot path. Refactor ternary to be more readable if/else
block that mirrors analogous code elsewhere in the function. Change
string concatenation to template literal.

PR-URL: #14149
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Fishrock123 pushed a commit that referenced this pull request Jul 19, 2017
Code is not in hot path. Refactor ternary to be more readable if/else
block that mirrors analogous code elsewhere in the function. Change
string concatenation to template literal.

PR-URL: #14149
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
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Should this be backported to v6.x-staging? If yes please follow the guide and raise a backport PR, if no let me know or add the dont-land-on label.

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10 participants