$ git clone -n https://src.fedoraproject.org/rpms/annobin.git /var/lib/mock/f40-build-807888-145350/root/chroot_tmpdir/scmroot/annobin
Cloning into '/var/lib/mock/f40-build-807888-145350/root/chroot_tmpdir/scmroot/annobin'...
$ git fetch origin 27988edef02e11cfe8b81f832b4353c7e6499097:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/annobin
 * [new ref]         27988edef02e11cfe8b81f832b4353c7e6499097 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27988ed Spec File: Add the annobin source directory to the files section.  (#2279779)