$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_readlink.git /var/lib/mock/f40-build-781167-131438/root/chroot_tmpdir/scmroot/rust-uu_readlink
Cloning into '/var/lib/mock/f40-build-781167-131438/root/chroot_tmpdir/scmroot/rust-uu_readlink'...
$ git fetch origin 816fe3dcfd3c5299c384dd815f4cdc8707dc34ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_readlink
 * [new ref]         816fe3dcfd3c5299c384dd815f4cdc8707dc34ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 816fe3d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild