$ git clone -n https://src.fedoraproject.org/rpms/xrestrict.git /var/lib/mock/f42-build-879166-181615/root/chroot_tmpdir/scmroot/xrestrict
Cloning into '/var/lib/mock/f42-build-879166-181615/root/chroot_tmpdir/scmroot/xrestrict'...
$ git fetch origin ce052d7f89af5001457be64ef5ed3c1e01bddd23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xrestrict
 * [new ref]         ce052d7f89af5001457be64ef5ed3c1e01bddd23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce052d7 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild