[...]

fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	 kde natus netman webkit
--without:	 mono mozjs
Available branches: master
--2016-03-24 21:43:08--  http://df.tld-linux.org/distfiles/by-md5/2/5/258d89cc052e0a3c09aa1f42d7f93045/libproxy-0.4.12.tar.gz
Resolving df.tld-linux.org (df.tld-linux.org)... 46.4.78.55
Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 87765 (86K) [application/x-gzip]
Saving to: 'libproxy-0.4.12.tar.gz'
     0K .......... .......... .......... .......... .......... 58% 1.41M 0s
    50K .......... .......... .......... .....                100% 11.7M=0.04s
2016-03-24 21:43:08 (2.23 MB/s) - 'libproxy-0.4.12.tar.gz' saved [87765/87765]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libproxy-0.4.12-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at d21421a... - PLD merge
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	 kde natus netman webkit
--without:	 mono mozjs
Writing git revision for tag auto/ti/libproxy-0.4.12-1
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.79398
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libproxy-0.4.12
Begin-PLD-Builder-Info
Build-Time: user:3.11s sys:1.37s real:4.72s (faults io:0 non-io:213103)
Files queued for ftp:
     95007 libproxy-0.4.12-1.src.rpm
       187 libproxy-0.4.12-1.src.rpm.uploadinfo
End-PLD-Builder-Info