# [PATCH] t1304: fall back to $USER if $LOGNAME is not defined

3 messages from 2011-10-14 to 2011-10-14. Participants: René Scharfe, Junio C Hamano.
Thread: https://gitlist.dev/t/28680

## René Scharfe, 2011-10-14 17:44

Subject: [PATCH] t1304: fall back to $USER if $LOGNAME is not defined
Message-ID: <4E98750D.1020106@lsrfire.ath.cx>
URL: https://gitlist.dev/e/4E98750D.1020106%40lsrfire.ath.cx

```
For some reason $LOGNAME is not set anymore for me after an upgrade from
Ubuntu 11.04 to 11.10.  Use $USER in such a case.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
---
The only other use of $LOGNAME is in git-cvsimport, which does the same.

 t/t1304-default-acl.sh |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/t/t1304-default-acl.sh b/t/t1304-default-acl.sh
index b5d89a2..2b962cf 100755
--- a/t/t1304-default-acl.sh
+++ b/t/t1304-default-acl.sh
@@ -25,6 +25,11 @@ else
 	test_set_prereq SETFACL
 fi
 
+if test -z "$LOGNAME"
+then
+	LOGNAME=$USER
+fi
+
 check_perms_and_acl () {
 	test -r "$1" &&
 	getfacl "$1" > actual &&
-- 
1.7.7

```

## Junio C Hamano, 2011-10-14 18:41

Subject: Re: [PATCH] t1304: fall back to $USER if $LOGNAME is not defined
Message-ID: <7vobxjza9t.fsf@alter.siamese.dyndns.org>
URL: https://gitlist.dev/e/7vobxjza9t.fsf%40alter.siamese.dyndns.org
In-Reply-To: <4E98750D.1020106@lsrfire.ath.cx>

```
René Scharfe <rene.scharfe@lsrfire.ath.cx> writes:

> For some reason $LOGNAME is not set anymore for me after an upgrade from
> Ubuntu 11.04 to 11.10.  Use $USER in such a case.
>
> Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
> ---
> The only other use of $LOGNAME is in git-cvsimport, which does the same.

While the change to assign $USER to $LOGNAME when the latter is not set is
not wrong per-se, I have to wonder (1) why this test should use LOGNAME
not USER in the first place, and (2) why you lost LOGNAME.

LOGNAME
The system shall initialize this variable at the time of login to be the
user's login name. See <pwd.h> . For a value of LOGNAME to be portable
across implementations of POSIX.1-2008, the value should be composed of
characters from the portable filename character set.

Will apply anyway. Thanks.

```

## René Scharfe, 2011-10-14 20:54

Subject: Re: [PATCH] t1304: fall back to $USER if $LOGNAME is not defined
Message-ID: <4E98A184.2040908@lsrfire.ath.cx>
URL: https://gitlist.dev/e/4E98A184.2040908%40lsrfire.ath.cx
In-Reply-To: <7vobxjza9t.fsf@alter.siamese.dyndns.org>

```
Am 14.10.2011 20:41, schrieb Junio C Hamano:
> René Scharfe <rene.scharfe@lsrfire.ath.cx> writes:
> 
>> For some reason $LOGNAME is not set anymore for me after an upgrade from
>> Ubuntu 11.04 to 11.10.  Use $USER in such a case.
>>
>> Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
>> ---
>> The only other use of $LOGNAME is in git-cvsimport, which does the same.
> 
> While the change to assign $USER to $LOGNAME when the latter is not set is
> not wrong per-se, I have to wonder (1) why this test should use LOGNAME
> not USER in the first place, and (2) why you lost LOGNAME.
> 
> LOGNAME
> The system shall initialize this variable at the time of login to be the
> user's login name. See <pwd.h> . For a value of LOGNAME to be portable
> across implementations of POSIX.1-2008, the value should be composed of
> characters from the portable filename character set.
> 
> Will apply anyway. Thanks.

Common practise (on Linux at least) seems to be to set both $LOGNAME
(from Sys-V) and $USER (from BSD) to the same value, so either could be
used.  The portable way is to check both.

Both were set before the upgrade on my system, and $LOGNAME is _still_
set if I log onto the console or use sudo or su, but it's _not_ set in a
plain Gnome Terminal with bash.  I also wonder why that may be.

René

```