[...]

 --without tests
from available:
--with   :	
--without:	 <tests>
Available branches: AC-branch master
Searching for tag auto/ti/perl-version-0.9924-2...
Searching for tag auto/ti/perl-version-0_9924-2...
--2020-04-29 19:13:22--  http://distfiles.pld-linux.org/by-md5/8/d/8d252fa8530b53d4baefbb89c5c60929/version-0.9924.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: 95064 (93K) [application/x-gzip]
Saving to: 'version-0.9924.tar.gz'
     0K .......... .......... .......... .......... .......... 53% 1.11M 0s
    50K .......... .......... .......... .......... ..        100%  193M=0.04s
2020-04-29 19:13:22 (2.05 MB/s) - 'version-0.9924.tar.gz' saved [95064/95064]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/perl-version-0.9924-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at cc78b32 - drop obsolete and outdated manual inclusion of rpm macros
fatal: HEAD does not point to a branch
Building perl-version.spec with the following conditional flags:
 --without tests
from available:
--with   :	
--without:	 <tests>
Writing git revision for tag auto/ti/perl-version-0.9924-2
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.52800
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf version-0.9924
Begin-TLD-Builder-Info
Build-Time: user:0.89s sys:0.33s real:2.41s (faults io:0 non-io:83625)
Files queued for ftp:
    100604 perl-version-0.9924-2.src.rpm
       191 perl-version-0.9924-2.src.rpm.uploadinfo
End-TLD-Builder-Info