$ git clone -n https://src.fedoraproject.org/rpms/rust-rust-embed-utils7.git /var/lib/mock/f41-build-side-1-2897249-34636/root/chroot_tmpdir/scmroot/rust-rust-embed-utils7
Cloning into '/var/lib/mock/f41-build-side-1-2897249-34636/root/chroot_tmpdir/scmroot/rust-rust-embed-utils7'...
$ git fetch origin 27845b9469d901468e2e9cbb49b25131c216ff8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rust-embed-utils7
 * [new ref]         27845b9469d901468e2e9cbb49b25131c216ff8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27845b9 compat package no longer needed