$ git clone -n https://src.fedoraproject.org/rpms/rust-hyper-rustls.git /var/lib/mock/f38-build-side-42-init-devel-1040102-29754/root/chroot_tmpdir/scmroot/rust-hyper-rustls
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1040102-29754/root/chroot_tmpdir/scmroot/rust-hyper-rustls'...
$ git fetch origin caa8b2bde3d1d574cf73d114f5e94ffbaecdc6ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hyper-rustls
 * [new ref]         caa8b2bde3d1d574cf73d114f5e94ffbaecdc6ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at caa8b2b Update to version 0.24.1; Fixes RHBZ#2219638