$ git clone -n https://src.fedoraproject.org/rpms/libabw.git /var/lib/mock/f45-build-15807-479/root/chroot_tmpdir/scmroot/libabw
Cloning into '/var/lib/mock/f45-build-15807-479/root/chroot_tmpdir/scmroot/libabw'...
$ git fetch origin 7edf4c38de6e583418e56149b3d74bb4d4b3d0ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libabw
 * [new ref]         7edf4c38de6e583418e56149b3d74bb4d4b3d0ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7edf4c3 Update to new upstream release