$ git clone -n https://src.fedoraproject.org/rpms/xrestrict.git /var/lib/mock/f40-build-792890-138674/root/chroot_tmpdir/scmroot/xrestrict
Cloning into '/var/lib/mock/f40-build-792890-138674/root/chroot_tmpdir/scmroot/xrestrict'...
$ git fetch origin 5cefd350496b7a6fd9eef825a38140c39f8efbd6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xrestrict
 * [new ref]         5cefd350496b7a6fd9eef825a38140c39f8efbd6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cefd35 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild