$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-transport.git /var/lib/mock/f40-build-1505329-23885/root/chroot_tmpdir/scmroot/rust-gix-transport
Cloning into '/var/lib/mock/f40-build-1505329-23885/root/chroot_tmpdir/scmroot/rust-gix-transport'...
$ git fetch origin 165933fa5c8571ebf8d3403bdc03ae23a1743b40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-transport
 * [new ref]         165933fa5c8571ebf8d3403bdc03ae23a1743b40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 165933f Hide feature that depends on curl/rustls (rhbz#2296260)