[...]

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 72fc4bb... - updated to 0.13.5
fatal: HEAD does not point to a branch
Available branches: master
Searching for tag auto/ti/xorg-lib-libpciaccess-0.13.5-1...
Searching for tag auto/ti/xorg-lib-libpciaccess-0_13_5-1...
--2017-04-13 07:26:14--  http://distfiles.pld-linux.org/distfiles/by-md5/d/8/d810ab17e24c1418dedf7207fb2841d4/libpciaccess-0.13.5.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: 381729 (373K) [application/x-bzip2]
Saving to: 'libpciaccess-0.13.5.tar.bz2'
     0K .......... .......... .......... .......... .......... 13% 1.05M 0s
    50K .......... .......... .......... .......... .......... 26% 2.17M 0s
   100K .......... .......... .......... .......... .......... 40% 55.8M 0s
   150K .......... .......... .......... .......... .......... 53% 81.6M 0s
   200K .......... .......... .......... .......... .......... 67% 2.13M 0s
   250K .......... .......... .......... .......... .......... 80%  224M 0s
   300K .......... .......... .......... .......... .......... 93%  285M 0s
   350K .......... .......... ..                              100%  251M=0.09s
2017-04-13 07:26:15 (3.88 MB/s) - 'libpciaccess-0.13.5.tar.bz2' saved [381729/381729]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/xorg-lib-libpciaccess-0.13.5-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 72fc4bb... - updated to 0.13.5
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/xorg-lib-libpciaccess-0.13.5-1
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.84741
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libpciaccess-0.13.5
Begin-TLD-Builder-Info
Build-Time: user:0.56s sys:0.15s real:1.69s (faults io:0 non-io:88186)
Files queued for ftp:
    386924 xorg-lib-libpciaccess-0.13.5-1.src.rpm
       200 xorg-lib-libpciaccess-0.13.5-1.src.rpm.uploadinfo
End-TLD-Builder-Info