[...]

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -b with the checkout command again. Example:
  git checkout -b new_branch_name
HEAD is now at 42c4b5d... - x32 rebuild - release 2 (by relup.sh)
fatal: HEAD does not point to a branch
Available branches: master
--2015-05-08 07:01:08--  http://distfiles.pld-linux.org/distfiles/by-md5/1/f/1f65be5ffc55641c1846c2f41d180d00/libpciaccess-0.13.3.tar.bz2
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: 368755 (360K) [application/x-bzip2]
Saving to: 'libpciaccess-0.13.3.tar.bz2'
     0K .......... .......... .......... .......... .......... 13%  139K 2s
    50K .......... .......... .......... .......... .......... 27%  151K 2s
   100K .......... .......... .......... .......... .......... 41%  151K 1s
   150K .......... .......... .......... .......... .......... 55%  128K 1s
   200K .......... .......... .......... .......... .......... 69%  152K 1s
   250K .......... .......... .......... .......... .......... 83%  128K 0s
   300K .......... .......... .......... .......... .......... 97%  152K 0s
   350K ..........                                            100% 35.0K=2.7s
2015-05-08 07:01:11 (131 KB/s) - 'libpciaccess-0.13.3.tar.bz2' saved [368755/368755]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/xorg-lib-libpciaccess-0.13.3-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 42c4b5d... - x32 rebuild - release 2 (by relup.sh)
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/xorg-lib-libpciaccess-0.13.3-2
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.60285
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libpciaccess-0.13.3
Begin-PLD-Builder-Info
Build-Time: user:2.62s sys:1.25s real:17.37s (faults io:0 non-io:186020)
Files queued for ftp:
    374074 xorg-lib-libpciaccess-0.13.3-2.src.rpm
       200 xorg-lib-libpciaccess-0.13.3-2.src.rpm.uploadinfo
End-PLD-Builder-Info