[...]

No conditional flags passed
from available:
--with   :	
--without:	 prof
Available branches: master
Searching for tag auto/ti/ghc-primitive-0.5.1.0-1...
Searching for tag auto/ti/ghc-primitive-0_5_1_0-1...
--2017-10-21 15:40:34--  http://distfiles.pld-linux.org/distfiles/by-md5/3/3/33090fc61ce0194cb5a595f53bd5c064/primitive-0.5.1.0.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: 10482 (10K) [application/x-gzip]
Saving to: 'primitive-0.5.1.0.tar.gz'
     0K ..........                                            100%  209M=0s
2017-10-21 15:40:34 (209 MB/s) - 'primitive-0.5.1.0.tar.gz' saved [10482/10482]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ghc-primitive-0.5.1.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 6489c1e... - complete ghc dependencies list
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-primitive-0.5.1.0-1
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.73704
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf primitive-0.5.1.0
Begin-TLD-Builder-Info
Build-Time: user:0.61s sys:0.11s real:1.92s (faults io:0 non-io:86337)
Files queued for ftp:
     15502 ghc-primitive-0.5.1.0-1.src.rpm
       193 ghc-primitive-0.5.1.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info