$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-packetline-blocking.git /var/lib/mock/f40-build-2072602-49334/root/chroot_tmpdir/scmroot/rust-gix-packetline-blocking
Cloning into '/var/lib/mock/f40-build-2072602-49334/root/chroot_tmpdir/scmroot/rust-gix-packetline-blocking'...
$ git fetch origin 9e52e0537382e19341878425db9e741d76267f17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-packetline-blocking
 * [new ref]         9e52e0537382e19341878425db9e741d76267f17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e52e05 Initial package (rhbz#2241055)