$ git clone -n https://src.fedoraproject.org/rpms/libsv.git /var/lib/mock/f45-build-17058-495/root/chroot_tmpdir/scmroot/libsv
Cloning into '/var/lib/mock/f45-build-17058-495/root/chroot_tmpdir/scmroot/libsv'...
$ git fetch origin ffe6b30d1f68864c63d0c98a9e0eb44f2fb91fd8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsv
 * [new ref]         ffe6b30d1f68864c63d0c98a9e0eb44f2fb91fd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffe6b30 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild