$ git clone -n https://src.fedoraproject.org/rpms/ghc-xdg-userdirs.git /var/lib/mock/f45-build-10980-425/root/chroot_tmpdir/scmroot/ghc-xdg-userdirs
Cloning into '/var/lib/mock/f45-build-10980-425/root/chroot_tmpdir/scmroot/ghc-xdg-userdirs'...
$ git fetch origin 59ae235049da5bbef3a73715e75309a39899f35d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-xdg-userdirs
 * [new ref]         59ae235049da5bbef3a73715e75309a39899f35d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59ae235 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild