$ git clone -n https://src.fedoraproject.org/rpms/rust-apple-nvram.git /var/lib/mock/f38-build-side-43-rust-devel-1411640-31436/root/chroot_tmpdir/scmroot/rust-apple-nvram
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1411640-31436/root/chroot_tmpdir/scmroot/rust-apple-nvram'...
$ git fetch origin ad62e59a675f934a6660a7f6cd1a1b42dde9ebce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-apple-nvram
 * [new ref]         ad62e59a675f934a6660a7f6cd1a1b42dde9ebce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad62e59 Initial import; Fixes: RHBZ#2224852