$ git clone -n https://src.fedoraproject.org/rpms/digikam.git /var/lib/mock/f45-build-51874-904/root/chroot_tmpdir/scmroot/digikam
Cloning into '/var/lib/mock/f45-build-51874-904/root/chroot_tmpdir/scmroot/digikam'...
$ git fetch origin 1ac3e8b9e8fde2df2b2e5d1da534a56e73b2f5ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/digikam
 * [new ref]         1ac3e8b9e8fde2df2b2e5d1da534a56e73b2f5ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ac3e8b Rebuilt for libxml-2.5.4