$ git clone -n https://src.fedoraproject.org/rpms/rust-target-lexicon.git /var/lib/mock/f40-build-2659081-66918/root/chroot_tmpdir/scmroot/rust-target-lexicon
Cloning into '/var/lib/mock/f40-build-2659081-66918/root/chroot_tmpdir/scmroot/rust-target-lexicon'...
$ git fetch origin d61dbb4e0fe09110ac7b5f96bfb3ea0672ad8d76:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-target-lexicon
 * [new ref]         d61dbb4e0fe09110ac7b5f96bfb3ea0672ad8d76 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d61dbb4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild