$ git clone -n https://src.fedoraproject.org/rpms/rust-md5-asm.git /var/lib/mock/f40-build-2681862-67962/root/chroot_tmpdir/scmroot/rust-md5-asm
Cloning into '/var/lib/mock/f40-build-2681862-67962/root/chroot_tmpdir/scmroot/rust-md5-asm'...
$ git fetch origin fe3e44fa2b7361c39b1b31ccea9530fe5fe1c6c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-md5-asm
 * [new ref]         fe3e44fa2b7361c39b1b31ccea9530fe5fe1c6c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe3e44f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild