Ludovic Courtès 7fee5b5397 container: Allow 'container-excursion' to the same namespaces. ...

Before that, 'container-excursion' would call 'setns' even when the
target namespace is the one the caller is already in, which would fail.

* gnu/build/linux-container.scm (container-excursion): Introduce
'source' and 'target'.  Compare the result of 'readlink' on these
instead of comparing file descriptors to decide whether to call
'setns'.
* tests/containers.scm ("container-excursion, same namespace"): New test.

2016-10-19 15:54:10 +02:00

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