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Add a simple script to create a working directory that uses symlinks
to point at an exisiting repository. This allows having different
branches in different working directories but all from the same
repository.
Based on a description from Junio of how he creates multiple working
directories[1]. With the following caveat:
"This risks confusion for an uninitiated if you update a ref that
is checked out in another working tree, but modulo that caveat
it works reasonably well."
[1] http://article.gmane.org/gmane.comp.version-control.git/41513/
Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Julian Phillips