su on 10.2: TERM: Undefined variable

[Miroslav Lachman]

Michael B. Eichorn wrote on 11/21/2015 21:42:
> On Sat, 2015-11-21 at 13:31 +0100, Miroslav Lachman wrote:
>> I noticed some weird behavior of "su" command in shell scripts
>> running
>> from cron after upgrade from FreeBSD 8.4 to 10.2.
>>
>> If I have this in script
>>
>> su -m www -c 'ls -l'
>>
>> then I get "TERM: Undefined variable" on the stderr if this script is
>> run from cron.
>> It works fine on FreeBSD 8.4
>>
>> Is it intentional behavior?
>>
>> Miroslav Lachman
>
> I cannot reproduce your problem. I used the following script:
>
> #!/bin/sh
>
> echo "BEGIN TEST"
> echo $TERM
>
> su -m www -c 'ls -l'
>
> echo $TERM
> echo "END TEST"
>
> crontab is:
> *	*	*	*	*	/root/test.sh
>
> and the result is:
>
> BEGIN TEST
>
> total 520765
> -rw-r--r--   1 root  wheel  724002816 Aug 12 11:45 FreeBSD-10.2-
> RELEASE-amd64-disc1.iso
> -rwxr-xr-x   1 root  wheel         90 Nov 21 15:33 test.sh
>
> END TEST
>
> # freebsd-version
> 10.2-RELEASE-p7
>

It's a strange. I tried it on another machine which was installed as 
10.1 and upgraded to 10.2-p5 - and I got Undefined variable again:

BEGIN TEST

TERM: Undefined variable.
total 8984
drwxr-xr-x  2 root  wheel     1536 Aug 12 13:48 bin
-rw-------  1 root  wheel  9134080 Nov 22 00:06 dns-terror.core
-rw-r--r--  1 root  wheel      836 Nov  5 10:39 extensions.ini
drwxr-xr-x  3 root  wheel      512 Jul 29 17:49 settings
drwxr-xr-x  8 root  wheel      512 Aug  9 04:59 settings_atago
drwxr-xr-x  2 root  wheel      512 Aug  9 03:12 skel_devel
-rwxr--r--  1 root  wheel       90 Nov 22 11:52 term_test.sh

END TEST

Miroslav Lachman