Rui Abreu Ferreira 136374ec6f Remove old UNIX ifdef from buf_write() ...

When backupcopy=auto buf_write assumes backupcopy=yes when the file is a
hard/symbolic link. However this check was guarded by a UNIX ifdef. The
check itself is portable and the guard can be removed.

Added a couple tests to check the behaviour of bkc=auto and bkc=no
with a symbolic link.

Reported in #4525

2016-04-28 23:58:21 +01:00

1.3 KiB

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