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-rw-r--r--Help/command/ctest_start.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Help/command/ctest_start.rst b/Help/command/ctest_start.rst
index f16142e..b5c7a17 100644
--- a/Help/command/ctest_start.rst
+++ b/Help/command/ctest_start.rst
@@ -14,3 +14,9 @@ CTEST_SOURCE_DIRECTORY and CTEST_BINARY_DIRECTORY. If the track is
specified, the submissions will go to the specified track. If APPEND
is used, the existing TAG is used rather than creating a new one based
on the current time stamp.
+
+If the ``CTEST_CHECKOUT_COMMAND`` variable (or the ``CTEST_CVS_CHECKOUT``
+variable) is set, its content is treated as command-line. The command is
+invoked with the current working directory set to the parent of the source
+directory, even if the source directory already exists. This can be used
+to create the source tree from a version control repository.