$ git clone -n https://src.fedoraproject.org/rpms/libsoup.git /var/lib/mock/f45-build-17006-495/root/chroot_tmpdir/scmroot/libsoup
Cloning into '/var/lib/mock/f45-build-17006-495/root/chroot_tmpdir/scmroot/libsoup'...
$ git fetch origin a32fc4cc1f49bce22b809f38b1ff31d1e949d8c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsoup
 * [new ref]         a32fc4cc1f49bce22b809f38b1ff31d1e949d8c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a32fc4c Rebuilt for libxml-2.5.4