[...]

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 b3aba5a - group for devel
fatal: HEAD does not point to a branch
Available branches: master
Searching for tag auto/ti/libipt-2.0-1...
Searching for tag auto/ti/libipt-2_0-1...
--2019-08-16 09:41:37--  http://distfiles.pld-linux.org/by-md5/d/7/d7cc87d42479d41870056a99591096cd/v2.0.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: 338965 (331K) [application/x-gzip]
Saving to: 'v2.0.tar.gz'
     0K .......... .......... .......... .......... .......... 15%  628K 0s
    50K .......... .......... .......... .......... .......... 30% 1.22M 0s
   100K .......... .......... .......... .......... .......... 45% 65.2M 0s
   150K .......... .......... .......... .......... .......... 60% 33.6M 0s
   200K .......... .......... .......... .......... .......... 75% 1.27M 0s
   250K .......... .......... .......... .......... .......... 90% 59.7M 0s
   300K .......... .......... .......... .                    100% 50.4M=0.2s
2019-08-16 09:41:37 (2.00 MB/s) - 'v2.0.tar.gz' saved [338965/338965]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libipt-2.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at b3aba5a - group for devel
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/libipt-2.0-1
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.2229
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf processor-trace-2.0
Begin-TLD-Builder-Info
Build-Time: user:0.59s sys:0.08s real:2.11s (faults io:0 non-io:80306)
Files queued for ftp:
    340900 libipt-2.0-1.src.rpm
       182 libipt-2.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info