$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-tempfile.git /var/lib/mock/f40-build-1872697-25021/root/chroot_tmpdir/scmroot/rust-gix-tempfile
Cloning into '/var/lib/mock/f40-build-1872697-25021/root/chroot_tmpdir/scmroot/rust-gix-tempfile'...
$ git fetch origin 85d6685955ac5ba8bfff10bb7955b9cc2350256c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-tempfile
 * [new ref]         85d6685955ac5ba8bfff10bb7955b9cc2350256c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85d6685 Update to version 14.0.1 (rhbz#2299590)