[...]

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 b0eabb8... - x32 rebuild - release 2 (by relup.sh)
fatal: HEAD does not point to a branch
Available branches: AC-branch PRE_2_4_18 RA-branch master
Searching for tag auto/ti/dmapi-2.2.12-2...
Searching for tag auto/ti/dmapi-2_2_12-2...
--2017-11-09 13:22:48--  http://distfiles.pld-linux.org/distfiles/by-md5/c/d/cd825d4e141c16011367e0a0dd98c9c5/dmapi-2.2.12.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: 367318 (359K) [application/x-gzip]
Saving to: 'dmapi-2.2.12.tar.gz'
     0K .......... .......... .......... .......... .......... 13% 1.05M 0s
    50K .......... .......... .......... .......... .......... 27% 2.10M 0s
   100K .......... .......... .......... .......... .......... 41% 83.0M 0s
   150K .......... .......... .......... .......... .......... 55% 74.9M 0s
   200K .......... .......... .......... .......... .......... 69% 2.20M 0s
   250K .......... .......... .......... .......... .......... 83% 87.0M 0s
   300K .......... .......... .......... .......... .......... 97%  147M 0s
   350K ........                                              100%  213M=0.09s
2017-11-09 13:22:48 (3.72 MB/s) - 'dmapi-2.2.12.tar.gz' saved [367318/367318]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/dmapi-2.2.12-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at b0eabb8... - x32 rebuild - release 2 (by relup.sh)
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/dmapi-2.2.12-2
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.55582
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf dmapi-2.2.12
Begin-TLD-Builder-Info
Build-Time: user:0.90s sys:0.30s real:2.44s (faults io:1 non-io:99775)
Files queued for ftp:
    373600 dmapi-2.2.12-2.src.rpm
       184 dmapi-2.2.12-2.src.rpm.uploadinfo
End-TLD-Builder-Info