$ git clone -n https://src.fedoraproject.org/rpms/rust-memmap2_0.7.git /var/lib/mock/f40-build-2712622-72025/root/chroot_tmpdir/scmroot/rust-memmap2_0.7
Cloning into '/var/lib/mock/f40-build-2712622-72025/root/chroot_tmpdir/scmroot/rust-memmap2_0.7'...
$ git fetch origin d974d4eebb48f4a775a8b4291de27c000b8ec197:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-memmap2_0.7
 * [new ref]         d974d4eebb48f4a775a8b4291de27c000b8ec197 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d974d4e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild