$ git clone -n https://src.fedoraproject.org/rpms/rust-quinn-udp.git /var/lib/mock/f42-build-side-1-3533339-46361/root/chroot_tmpdir/scmroot/rust-quinn-udp
Cloning into '/var/lib/mock/f42-build-side-1-3533339-46361/root/chroot_tmpdir/scmroot/rust-quinn-udp'...
$ git fetch origin 522fb7c05fef7b51bdfb72a9a7e6b0630c2cba9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quinn-udp
 * [new ref]         522fb7c05fef7b51bdfb72a9a7e6b0630c2cba9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 522fb7c Update to version 0.5.11; Fixes RHBZ#2354799