$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_more.git /var/lib/mock/f41-build-810844-146971/root/chroot_tmpdir/scmroot/rust-uu_more
Cloning into '/var/lib/mock/f41-build-810844-146971/root/chroot_tmpdir/scmroot/rust-uu_more'...
$ git fetch origin 8f0f67e81a41a573bf63e15df01ce2c5a4af290b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_more
 * [new ref]         8f0f67e81a41a573bf63e15df01ce2c5a4af290b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f0f67e Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces