On Fri, Jun 14 2019, Ralph Seichter wrote:

> * David Bremner:
>
>> TEMP_GPG=$(mktemp -d "${TMPDIR:-/tmp}/notmuch.XXXXXX")
>>
>> (borrowed from test/test-lib.sh). This avoids hardcoding the temporary
>> directory.
>
> I had the same thought at first, but I want to ensure that the path
> length does not cause trouble anymore.

Yes. $TMPDIR could be problematic if it makes the full (unix domain
socket?) path be too long.

SO, exact version Ralph made looks good to me.

Tomi


>
>   > uname -v
>   Darwin Kernel Version 18.6.0: Thu Apr 25 23:16:27 PDT 2019; 
> root:xnu-4903.261.4~2/RELEASE_X86_64
>   > echo $TMPDIR
>   /var/folders/m_/w5lk3r_1495dhnl4l0s96pr00000gn/T/
>
> That's my MacBook Pro with macOS 10.14.5 (Mojave). AFAIK, older versions
> can have longer names. Also, I am concerned with accumulating clutter.
>
>   > grep clean_tmps_dirs /etc/defaults/periodic.conf
>   daily_clean_tmps_dirs="/tmp"
>
> The /tmp directory will, with default settings, be cleaned periodically
> by the OS, while $TMPDIR (which is user-specific) will not.
>
> -Ralph
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