[...]

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 7d4273b... - release 10 (by relup.sh)
fatal: HEAD does not point to a branch
Available branches: AC-branch PLD_1_0_freez RA-branch master
--2015-04-06 14:47:14--  http://distfiles.pld-linux.org/distfiles/by-md5/5/4/54eabbb38d2076ded6d271e1ee4d0783/autotrace-0.31.1.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: 362718 (354K) [application/x-gzip]
Saving to: 'autotrace-0.31.1.tar.gz'
     0K .......... .......... .......... .......... .......... 14%  755K 0s
    50K .......... .......... .......... .......... .......... 28% 1.44M 0s
   100K .......... .......... .......... .......... .......... 42% 1.48M 0s
   150K .......... .......... .......... .......... .......... 56% 1.54M 0s
   200K .......... .......... .......... .......... .......... 70% 11.5M 0s
   250K .......... .......... .......... .......... .......... 84% 1.67M 0s
   300K .......... .......... .......... .......... .......... 98% 11.5M 0s
   350K ....                                                  100% 7.97M=0.2s
2015-04-06 14:47:14 (1.70 MB/s) - 'autotrace-0.31.1.tar.gz' saved [362718/362718]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/autotrace-0.31.1-10.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 7d4273b... - release 10 (by relup.sh)
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/autotrace-0.31.1-10
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.72380
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf autotrace-0.31.1
Begin-PLD-Builder-Info
Build-Time: user:4.25s sys:1.94s real:16.91s (faults io:0 non-io:299261)
Files queued for ftp:
    372679 autotrace-0.31.1-10.src.rpm
       189 autotrace-0.31.1-10.src.rpm.uploadinfo
End-PLD-Builder-Info