$ git clone -n https://src.fedoraproject.org/rpms/rust-hyper-rustls.git /var/lib/mock/f41-build-61096293-6588816/root/chroot_tmpdir/scmroot/rust-hyper-rustls
Cloning into '/var/lib/mock/f41-build-61096293-6588816/root/chroot_tmpdir/scmroot/rust-hyper-rustls'...
$ git fetch origin 90a05a011f99c3b9717979b3d6a7474457baff5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hyper-rustls
 * [new ref]         90a05a011f99c3b9717979b3d6a7474457baff5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90a05a0 Update to version 0.27.7; Fixes RHBZ#2370616