$ git clone -n https://src.fedoraproject.org/rpms/urjtag.git /var/lib/mock/f40-build-790429-136584/root/chroot_tmpdir/scmroot/urjtag
Cloning into '/var/lib/mock/f40-build-790429-136584/root/chroot_tmpdir/scmroot/urjtag'...
$ git fetch origin 3d73a470924cc8aad17181afa32baa143cd65a63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/urjtag
 * [new ref]         3d73a470924cc8aad17181afa32baa143cd65a63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d73a47 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild