$ git clone -n https://src.fedoraproject.org/rpms/sil-charis-fonts.git /var/lib/mock/f45-build-35968-700/root/chroot_tmpdir/scmroot/sil-charis-fonts
Cloning into '/var/lib/mock/f45-build-35968-700/root/chroot_tmpdir/scmroot/sil-charis-fonts'...
$ git fetch origin 092f6e1a13646d4a196dafeafac2bada6c9c7338:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sil-charis-fonts
 * [new ref]         092f6e1a13646d4a196dafeafac2bada6c9c7338 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 092f6e1 Source url change