[...]

No conditional flags passed
from available:
--with   :	
--without:	 prof
Available branches: master
Searching for tag auto/ti/ghc-yaml-0.8.5.2-1...
Searching for tag auto/ti/ghc-yaml-0_8_5_2-1...
--2017-10-21 14:44:42--  http://distfiles.pld-linux.org/distfiles/by-md5/9/b/9b4757fd010d6ae2d2ba27275a3a619e/yaml-0.8.5.2.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: 67867 (66K) [application/x-gzip]
Saving to: 'yaml-0.8.5.2.tar.gz'
     0K .......... .......... .......... .......... .......... 75% 1.10M 0s
    50K .......... ......                                     100% 96.3M=0.04s
2017-10-21 14:44:42 (1.45 MB/s) - 'yaml-0.8.5.2.tar.gz' saved [67867/67867]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ghc-yaml-0.8.5.2-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 330e6b8... - new
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 prof
Writing git revision for tag auto/ti/ghc-yaml-0.8.5.2-1
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.74908
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf yaml-0.8.5.2
Begin-TLD-Builder-Info
Build-Time: user:0.93s sys:0.24s real:2.14s (faults io:0 non-io:81315)
Files queued for ftp:
     73767 ghc-yaml-0.8.5.2-1.src.rpm
       188 ghc-yaml-0.8.5.2-1.src.rpm.uploadinfo
End-TLD-Builder-Info