Cope better with relative locations #192
Merged
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Previously we allowed relative paths to be used for locations but it was ambiguous where they were looked up. This is a problem in contexts where absolute paths are not suitable (e.g., on the cluster where the mount point on the nodes is different to the submitting workstation).
This PR removes the ambiguity - we take the path relative to the root, and not relative to the command that calls
orderly_location_add_path()
. This might be confusing so there's a special case error that we throw if it looks like the wrong relative path was chosen.When we load the driver we change back to the root and then interpret the path at that point. This is also done when the user verifies addition (in #188).