$ git clone -n https://src.fedoraproject.org/rpms/python-annotated-doc.git /var/lib/mock/f45-build-29366-637/root/chroot_tmpdir/scmroot/python-annotated-doc
Cloning into '/var/lib/mock/f45-build-29366-637/root/chroot_tmpdir/scmroot/python-annotated-doc'...
$ git fetch origin aaf6eabdde8150945c60cf1845532cd0e1888373:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-annotated-doc
 * [new ref]         aaf6eabdde8150945c60cf1845532cd0e1888373 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aaf6eab Update to 0.0.5 (close RHBZ#2520229)