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Setting an environment variable to null doesn't work in .netcore. #8316

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rolfbjarne
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There is a difference between mono and .netcore with regards to environment
variables when launching processes.

For the following example:

process.StartInfo.EnvironmentVariables ["FOO"] = null;

.netcore will launch the process with an empty FOO variable, while mono will
launch the process with no FOO variable set.

So unstead remove the variable from the collection of environment variables
(this works fine even if the collection doesn't contain the variable).

Ref: dotnet/runtime#34446

There is a difference between mono and .netcore with regards to environment
variables when launching processes.

For the following example:

    process.StartInfo.EnvironmentVariables ["FOO"] = null;

.netcore will launch the process with an empty FOO variable, while mono will
launch the process with no FOO variable set.

So unstead remove the variable from the collection of environment variables
(this works fine even if the collection doesn't contain the variable).

Ref: dotnet/runtime#34446
@rolfbjarne rolfbjarne requested a review from spouliot as a code owner April 8, 2020 09:28
@rolfbjarne rolfbjarne added the not-notes-worthy Ignore for release notes label Apr 8, 2020
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@rolfbjarne rolfbjarne merged commit f69ef4f into xamarin:master Apr 8, 2020
mandel-macaque pushed a commit that referenced this pull request Oct 12, 2020
)

There is a difference between mono and .netcore with regards to environment
variables when launching processes.

For the following example:

    process.StartInfo.EnvironmentVariables ["FOO"] = null;

.netcore will launch the process with an empty FOO variable, while mono will
launch the process with no FOO variable set.

So unstead remove the variable from the collection of environment variables
(this works fine even if the collection doesn't contain the variable).

Ref: dotnet/runtime#34446
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4 participants