$ git clone -n https://src.fedoraproject.org/rpms/rust-inferno.git /var/lib/mock/f40-build-1821481-24912/root/chroot_tmpdir/scmroot/rust-inferno
Cloning into '/var/lib/mock/f40-build-1821481-24912/root/chroot_tmpdir/scmroot/rust-inferno'...
$ git fetch origin cabe93acb6a9da6384cccf1050f7951eba6e4288:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-inferno
 * [new ref]         cabe93acb6a9da6384cccf1050f7951eba6e4288 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cabe93a Update to version 0.11.19; Fixes RHBZ#2232925