$ git clone -n https://src.fedoraproject.org/rpms/rust-zstd0.12.git /var/lib/mock/f41-build-side-1-2816534-32968/root/chroot_tmpdir/scmroot/rust-zstd0.12
Cloning into '/var/lib/mock/f41-build-side-1-2816534-32968/root/chroot_tmpdir/scmroot/rust-zstd0.12'...
$ git fetch origin 2b0d8ce8e5e2800d07cd660412d518b09037cd9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zstd0.12
 * [new ref]         2b0d8ce8e5e2800d07cd660412d518b09037cd9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b0d8ce Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild