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The symlink case had never worked, and the file case was broken by the
O_EXCL change because the error return changed from EISDIR to EEXIST.
Fix both problems by just moving the test for an existing directory to a
more logical place.
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We should always have unlinked any old ones before, but this just makes
sure that we never over-write any old file.
A quick "grep" now shows that all the core tools that open files for
writing use O_EXCL, ie we never overwrite an existing file in place.
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IIRC our strategy was to let the users' umask take care of the
final mode bits. This patch fixes places that deviate from it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Bad Linus.
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The merge stuff will want it soon, and we don't want to
duplicate all the work..
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