$ git clone -n https://src.fedoraproject.org/rpms/libXcursor.git /var/lib/mock/f45-build-15782-479/root/chroot_tmpdir/scmroot/libXcursor
Cloning into '/var/lib/mock/f45-build-15782-479/root/chroot_tmpdir/scmroot/libXcursor'...
$ git fetch origin db0dae551eafd1909458e7f26b0b1e1883934a65:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libXcursor
 * [new ref]         db0dae551eafd1909458e7f26b0b1e1883934a65 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db0dae5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild