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This property allows projects to modify environment variables at test
time rather than trying to guess what the state should be based on what
is present at configure time. Of particular interest is the ability to
use a `PATH` present at test time while adding entries known to be
necessary for the test itself.
There are multiple operations provided to modify variables, including:
- setting and unsetting
- appending and prepending as:
- strings
- path lists
- CMake lists
Additionally, a `reset` action is provided to cancel any prior
modifications to that particular variable in the case of incremental
additions to the test property.
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8 lines
307 B
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ctest-environment-modifications
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-------------------------------
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* :manual:`ctest(1)` learned to be able to modify the environment for a test
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through the :prop_test:`ENVIRONMENT_MODIFICATION` property. This is allows
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for updates to environment variables based on the environment present at
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test time.
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