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From: | Stefan Monnier |
Subject: | Re: master fails to build on FreeBSD when ACL support is on |
Date: | Sat, 20 Jan 2018 22:50:44 -0500 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
> The problem occurs because (rename-file A B) signals an error if A has ACLs > and B's file system does not support ACLs. This is because rename-file calls > (copy-file A B nil t t t) and that last "t" tells copy-file to copy ACLs. Talking about what happens when rename-file uses copy-file: shouldn't it first copy-file to a temporary file near the destination and then rename-file that temp file? Otherwise the destination will temporarily be in a "partially written" state, which is usually not what `rename-file` callers want, right? Stefan
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