$ git clone -n https://src.fedoraproject.org/rpms/rust-rustix.git /var/lib/mock/f40-build-2249195-53986/root/chroot_tmpdir/scmroot/rust-rustix
Cloning into '/var/lib/mock/f40-build-2249195-53986/root/chroot_tmpdir/scmroot/rust-rustix'...
$ git fetch origin d6435872a722414fee893d82b1243a816526b095:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustix
 * [new ref]         d6435872a722414fee893d82b1243a816526b095 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d643587 Update to version 0.38.30; Fixes RHBZ#2258153