From an email discussion:

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How should one clone the closed repos from /java/re/jdk/9/latest/ws?

    % hg clone /java/re/jdk/9/latest/ws

I tried everything obvious I could think of:

    % sh get_source.sh

Everything comes up with:

    ERROR: Need initial clone from non-local source

This also exists on JDK 7, but with a different error.
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Why not just clone any jdk9 and either:
$ hg tupdate jdk-9+142

or
$ bash common/bin/hgforest.sh update jdk-9+142
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My original question was about /java/re, but it applies to local filesystems also. Cloning from a local filesystem is likely going to be much more performant, but I can't figure a way to get the closed code using get_source.sh.