[...]

 --without tests
from available:
--with   :	 tests
--without:	 python2 python3
Available branches: master
Searching for tag auto/ti/python-fixtures-3.0.0-3...
Searching for tag auto/ti/python-fixtures-3_0_0-3...
--2019-12-07 12:31:42--  http://distfiles.pld-linux.org/by-md5/c/d/cd6345b497a62fad739efee66346c2e0/fixtures-3.0.0.tar.gz
Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 56629 (55K) [application/x-gzip]
Saving to: 'fixtures-3.0.0.tar.gz'
     0K .......... .......... .......... .......... .......... 90%  587K 0s
    50K .....                                                 100% 85.3M=0.09s
2019-12-07 12:31:42 (648 KB/s) - 'fixtures-3.0.0.tar.gz' saved [56629/56629]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/python-fixtures-3.0.0-3.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 35caae4 - rebuild with python 3.8 - release 3 (by relup.sh)
fatal: HEAD does not point to a branch
Building python-fixtures.spec with the following conditional flags:
 --without tests
from available:
--with   :	 tests
--without:	 python2 python3
Writing git revision for tag auto/ti/python-fixtures-3.0.0-3
On detached HEAD. Use -r BRANCHNAME to override
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.90695
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf fixtures-3.0.0
Begin-TLD-Builder-Info
Build-Time: user:0.94s sys:0.23s real:2.39s (faults io:0 non-io:100951)
Files queued for ftp:
     63260 python-fixtures-3.0.0-3.src.rpm
       193 python-fixtures-3.0.0-3.src.rpm.uploadinfo
End-TLD-Builder-Info